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/**
* @author ETSI / STF481 / STF507 / STF517 / STF538 / STF545
* @version $Url$
* $Id$
* @desc Module containing functions for Security Protocol
* @copyright ETSI Copyright Notification
* No part may be reproduced except as authorized by written permission.
* The copyright and the foregoing restriction extend to reproduction in all media.
* All rights reserved.
*
*/
module LibItsSecurity_Functions {
// Libcommon
import from LibCommon_BasicTypesAndValues all;
import from LibCommon_DataStrings all;
// LibIts
import from IEEE1609dot2BaseTypes language "ASN.1:1997" all;
import from IEEE1609dot2 language "ASN.1:1997" all;
import from EtsiTs103097Module language "ASN.1:1997" all;
// LibItsCommon
//import from LibItsCommon_Functions all;
//import from LibItsCommon_TypesAndValues all;
import from LibItsCommon_Pixits all;
// LibItsSecurity
import from LibItsSecurity_TypesAndValues all;
import from LibItsSecurity_Templates all;
import from LibItsSecurity_Pixits all;
import from LibItsSecurity_Pics all;
import from LibItsSecurity_TestSystem all;
group helpersFunctions {
/**
* @desc Produces a 256-bit (32-byte) hash value
* @param p_toBeHashedData Data to be used to calculate the hash value
* @return The hash value
*/
function f_hashWithSha256(
in octetstring p_toBeHashedData
) return Oct32 {
return fx_hashWithSha256(p_toBeHashedData);
} // End of function f_hashWithSha256
/**
* @desc Produces a 384-bit (48-byte) hash value
* @param p_toBeHashedData Data to be used to calculate the hash value
* @return The hash value
*/
function f_hashWithSha384(
in octetstring p_toBeHashedData
) return Oct48 {
return fx_hashWithSha384(p_toBeHashedData);
} // End of function f_hashWithSha256
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature based on standard IEEE 1609.2
* @param p_toBeSignedSecuredMessage The data to be signed
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_privateKey The private key for signature
* @return The signature value
*/
function f_signWithEcdsaNistp256WithSha256(
in octetstring p_toBeSignedSecuredMessage,
in Oct32 p_certificateIssuer,
in Oct32 p_privateKey
) return octetstring {
log(">>> f_signWithEcdsaNistp256WithSha256: p_toBeSignedSecuredMessage= ", p_toBeSignedSecuredMessage);
log(">>> f_signWithEcdsaNistp256WithSha256: p_certificateIssuer= ", p_certificateIssuer);
log(">>> f_signWithEcdsaNistp256WithSha256: p_privateKey= ", p_privateKey);
return fx_signWithEcdsaNistp256WithSha256(
p_toBeSignedSecuredMessage,
p_certificateIssuer,
p_privateKey
);
} // End of function f_signWithEcdsaNistp256WithSha256
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature based on standard IEEE 1609.2
* @param p_toBeSignedSecuredMessage The data to be signed
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_privateKey The private key for signature
* @return The signature value
*/
function f_signWithEcdsaBrainpoolp256r1WithSha256(
in octetstring p_toBeSignedSecuredMessage,
in Oct32 p_certificateIssuer,
in Oct32 p_privateKey
) return octetstring {
return fx_signWithEcdsaBrainpoolp256r1WithSha256(
p_toBeSignedSecuredMessage,
p_certificateIssuer,
p_privateKey
);
} // End of function f_signWithEcdsaBrainpoolp256r1WithSha256
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature based on standard IEEE 1609.2
* @param p_toBeSignedSecuredMessage The data to be signed
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_privateKey The private key for signature
* @return The signature value
*/
function f_signWithEcdsaBrainpoolp384r1WithSha384(
in octetstring p_toBeSignedSecuredMessage,
in Oct48 p_certificateIssuer,
in Oct48 p_privateKey
) return octetstring {
log(">>> f_signWithEcdsaBrainpoolp384r1WithSha384: ", p_toBeSignedSecuredMessage);
log(">>> f_signWithEcdsaBrainpoolp384r1WithSha384: ", p_certificateIssuer);
log(">>> f_signWithEcdsaBrainpoolp384r1WithSha384: ", p_privateKey);
return fx_signWithEcdsaBrainpoolp384r1WithSha384(
p_toBeSignedSecuredMessage,
p_certificateIssuer,
p_privateKey
);
} // End of function f_signWithEcdsaBrainpoolp384r1WithSha384
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function f_decrypt(
in octetstring p_encryptPrivateKey,
in EtsiTs103097Data p_encrypedSecuredMessage,
in octetstring p_salt,
out EtsiTs103097Data p_decrypedSecuredMessage,
out octetstring p_aes_sym_enc_key
) return boolean {
if (ischosen(p_encrypedSecuredMessage.content.encryptedData)) {
var PKRecipientInfo v_pKRecipientInfo;
var RecipientInfo v_recipientInfo := p_encrypedSecuredMessage.content.encryptedData.recipients[0];
var octetstring v_decryptedSecuredMessage;
log(">>> f_decrypt: p_encryptPrivateKey=", p_encryptPrivateKey);
log(">>> f_decrypt: p_encrypedSecuredMessage=", p_encrypedSecuredMessage);
log(">>> f_decrypt: p_salt=", p_salt);
// Check the private encryption key
if (not(isbound(p_encryptPrivateKey))) {
log("*** " & testcasename() & ":ERROR: Failed to load encryption private key ***");
return false;
}
if (ischosen(v_recipientInfo.certRecipInfo)) {
v_pKRecipientInfo := p_encrypedSecuredMessage.content.encryptedData.recipients[0].certRecipInfo;
// Read the certificate based on the recipientId
} else if (ischosen(v_recipientInfo.signedDataRecipInfo)) {
v_pKRecipientInfo := p_encrypedSecuredMessage.content.encryptedData.recipients[0].signedDataRecipInfo;
// Read the certificate based on the recipientId
} else {
log("*** " & testcasename() & ":ERROR: Unsupported RecipientInfo variant ***");
return false;
}
log("f_decrypt: v_pKRecipientInfo=", v_pKRecipientInfo);
if (isbound(v_pKRecipientInfo)) {
if (ischosen(v_pKRecipientInfo.encKey.eciesNistP256)) {
var SymmetricCiphertext v_ciphertext := p_encrypedSecuredMessage.content.encryptedData.ciphertext;
log("f_decrypt: v_ciphertext=", v_ciphertext);
if (ischosen(v_pKRecipientInfo.encKey.eciesNistP256.v.compressed_y_0)) {
v_decryptedSecuredMessage := f_decryptWithEciesNistp256WithSha256(
v_ciphertext.aes128ccm.ccmCiphertext,
p_encryptPrivateKey,
v_pKRecipientInfo.encKey.eciesNistP256.v.compressed_y_0,
0,
v_pKRecipientInfo.encKey.eciesNistP256.c,
v_pKRecipientInfo.encKey.eciesNistP256.t,
v_ciphertext.aes128ccm.nonce,
p_salt,
p_aes_sym_enc_key
);
} else if (ischosen(v_pKRecipientInfo.encKey.eciesNistP256.v.compressed_y_1)) {
v_decryptedSecuredMessage := f_decryptWithEciesNistp256WithSha256(
v_ciphertext.aes128ccm.ccmCiphertext,
p_encryptPrivateKey,
v_pKRecipientInfo.encKey.eciesNistP256.v.compressed_y_1,
1,
v_pKRecipientInfo.encKey.eciesNistP256.c,
v_pKRecipientInfo.encKey.eciesNistP256.t,
v_ciphertext.aes128ccm.nonce,
p_salt,
p_aes_sym_enc_key
);
} else {
log("*** " & testcasename() & ":ERROR: Non canonical ephemeral encryption keys ***");
return false;
}
if (isbound(v_decryptedSecuredMessage)) {
var bitstring v_decode := oct2bit(v_decryptedSecuredMessage);
if (decvalue(v_decode, p_decrypedSecuredMessage) == 0) {
return true;
} else {
log("*** " & testcasename() & ":ERROR: Faild to decode secured message ***");
}
}
} else if (ischosen(v_pKRecipientInfo.encKey.eciesBrainpoolP256r1)) {
var SymmetricCiphertext v_ciphertext := p_encrypedSecuredMessage.content.encryptedData.ciphertext;
if (ischosen(v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.v.compressed_y_0)) {
v_decryptedSecuredMessage := f_decryptWithEciesBrainpoolp256r1WithSha256(
v_ciphertext.aes128ccm.ccmCiphertext,
p_encryptPrivateKey,
v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.v.compressed_y_0,
0,
v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.c,
v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.t,
v_ciphertext.aes128ccm.nonce,
p_salt, p_aes_sym_enc_key
);
} else if (ischosen(v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.v.compressed_y_1)) {
v_decryptedSecuredMessage := f_decryptWithEciesBrainpoolp256r1WithSha256(
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v_ciphertext.aes128ccm.ccmCiphertext,
p_encryptPrivateKey,
v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.v.compressed_y_1,
1,
v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.c,
v_pKRecipientInfo.encKey.eciesBrainpoolP256r1.t,
v_ciphertext.aes128ccm.nonce,
p_salt,
p_aes_sym_enc_key
);
} else {
log("*** " & testcasename() & ":ERROR: Non canonical ephemeral encryption keys ***");
return false;
}
} else {
log("*** " & testcasename() & ":ERROR: Non canonical ephemeral encryption keys ***");
return false;
}
// TODO else, other variants shall be processed here if
} else {
log("*** " & testcasename() & ":ERROR: Invalid recipient info ***");
return false;
}
if (isbound(v_decryptedSecuredMessage)) {
var bitstring v_decode := oct2bit(v_decryptedSecuredMessage);
if (decvalue(v_decode, p_decrypedSecuredMessage) == 0) {
return true;
} else {
log("*** " & testcasename() & ":ERROR: Faild to decode secured message ***");
}
}
} else {
log("*** " & testcasename() & ":ERROR: Message not encrypted ***");
}
return false;
} // End of function f_decrypt
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) encryption using Nist-P256 algorithm
* @param p_toBeEncryptedSecuredMessage The data to be encrypted
* @param p_recipientsPublicKeyCompressed The Recipient's compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @see IEEE Std 1609.2-2017 Clause 5.3.5 Public key encryption algorithms: ECIES
* @see https://www.nominet.uk/researchblog/how-elliptic-curve-cryptography-encryption-works/
* @see http://digital.csic.es/bitstream/10261/32671/1/V2-I2-P7-13.pdf
* @return The encrypted message
*/
function f_encryptWithEciesNistp256WithSha256(
in octetstring p_toBeEncryptedSecuredMessage,
in Oct32 p_recipientsPublicKeyCompressed,
in integer p_compressed_mode,
in octetstring p_salt,
out Oct32 p_publicEphemeralKeyCompressed,
out integer p_ephemeralKeyModeCompressed,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce
) return octetstring {
return fx_encryptWithEciesNistp256WithSha256(
p_toBeEncryptedSecuredMessage,
p_recipientsPublicKeyCompressed,
p_compressed_mode,
p_salt,
p_publicEphemeralKeyCompressed,
p_ephemeralKeyModeCompressed,
p_aes_sym_key,
p_encrypted_sym_key,
p_authentication_vector,
p_nonce
);
} // End of function f_encryptWithEciesNistp256WithSha256
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) decryption using Nist-P256 algorithm
* @param p_encryptedSecuredMessage The data to be decrypted
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The decrypted message
* @see IEEE Std 1609.2-2017 Clause 5.3.5 Public key encryption algorithms: ECIES
* @see https://www.nominet.uk/researchblog/how-elliptic-curve-cryptography-encryption-works/
* @see http://digital.csic.es/bitstream/10261/32671/1/V2-I2-P7-13.pdf
*/
function f_decryptWithEciesNistp256WithSha256(
in octetstring p_encryptedSecuredMessage,
in Oct32 p_privateEncKey,
in Oct32 p_publicEphemeralKeyCompressed,
in integer p_ephemeralKeyModeCompressed,
in Oct16 p_encrypted_sym_key,
in Oct16 p_authentication_vector,
in Oct12 p_nonce,
in Oct32 p_salt,
out Oct16 p_aes_sym_enc_key
) return octetstring {
return fx_decryptWithEciesNistp256WithSha256(
p_encryptedSecuredMessage,
p_privateEncKey,
p_publicEphemeralKeyCompressed,
p_ephemeralKeyModeCompressed,
p_encrypted_sym_key,
p_authentication_vector,
p_nonce,
p_salt,
p_aes_sym_enc_key
);
} // End of function f_decryptWithEcdsaNistp256WithSha256
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) encryption using Brainpool-P256 algorithm
* @param p_toBeEncryptedSecuredMessage The data to be encrypted
* @param p_recipientsPublicKeyCompressed The Recipient's compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The encrypted message
* @see IEEE Std 1609.2-2017 Clause 5.3.5 Public key encryption algorithms: ECIES
* @see https://www.nominet.uk/researchblog/how-elliptic-curve-cryptography-encryption-works/
* @see http://digital.csic.es/bitstream/10261/32671/1/V2-I2-P7-13.pdf
*/
function f_encryptWithEciesBrainpoolp256r1WithSha256(
in octetstring p_toBeEncryptedSecuredMessage,
in Oct32 p_recipientsPublicKeyCompressed,
in integer p_compressed_mode,
in octetstring p_salt,
out Oct32 p_publicEphemeralKeyCompressed,
out integer p_ephemeralKeyModeCompressed,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce
) return octetstring {
return fx_encryptWithEciesBrainpoolp256r1WithSha256(
p_toBeEncryptedSecuredMessage,
p_recipientsPublicKeyCompressed,
p_compressed_mode,
p_salt,
p_publicEphemeralKeyCompressed,
p_ephemeralKeyModeCompressed,
p_aes_sym_key,
p_encrypted_sym_key,
p_authentication_vector,
p_nonce
);
} // End of function f_encryptWithEciesBrainpoolp256r1WithSha256
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) decryption using Brainpool-P256 algorithm
* @param p_encryptedSecuredMessage The data to be decrypted
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The decrypted message
* @see IEEE Std 1609.2-2017 Clause 5.3.5 Public key encryption algorithms: ECIES
* @see https://www.nominet.uk/researchblog/how-elliptic-curve-cryptography-encryption-works/
* @see http://digital.csic.es/bitstream/10261/32671/1/V2-I2-P7-13.pdf
*/
function f_decryptWithEciesBrainpoolp256r1WithSha256(
in octetstring p_encryptedSecuredMessage,
in Oct32 p_privateEncKey,
in Oct32 p_publicEphemeralKeyCompressed,
in integer p_ephemeralKeyModeCompressed,
in Oct16 p_encrypted_sym_key,
in Oct16 p_authentication_vector,
in Oct12 p_nonce,
in Oct32 p_salt,
out Oct16 p_aes_sym_enc_key
) return octetstring {
return fx_decryptWithEciesBrainpoolp256r1WithSha256(
p_encryptedSecuredMessage,
p_privateEncKey,
p_publicEphemeralKeyCompressed,
p_ephemeralKeyModeCompressed,
p_encrypted_sym_key,
p_authentication_vector,
p_nonce,
p_salt,
p_aes_sym_enc_key
);
} // End of function f_decryptWithEcdsaBrainpoolp256r1WithSha256
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/**
* @desc Compute the HashedId8 value from the hash value
* @param p_hash The hash value
* @return The HashedId8 value
* @verdict
*/
function f_hashedId8FromSha256(
in Oct32 p_hash
) return HashedId8 {
return substr(p_hash, lengthof(p_hash) - 8, 8);
} // End of function f_hashedId8FromSha256
/**
* @desc Compute the HashedId8 value from the hash value
* @param p_hash The hash value
* @return The HashedId8 value
* @verdict
*/
function f_hashedId8FromSha384(
in Oct48 p_hash
) return HashedId8 {
return substr(p_hash, lengthof(p_hash) - 8, 8);
} // End of function f_hashedId8FromSha384
/**
* @desc Compute the HashedId3 value from the HashedId8 value
* @param p_hashp_hashedId8 The HashedId8 value
* @return The HashedId3 value
* @verdict Unchanged
*/
function f_hashedId3FromHashedId8(
in HashedId8 p_hashedId8
) return HashedId3 {
return substr(p_hashedId8, lengthof(p_hashedId8) - 3, 3);
} // End of function f_hashedId3FromHashedId8
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaNistp256PublicKeyCompressed The compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
function f_verifyWithEcdsaNistp256WithSha256(
in octetstring p_toBeVerifiedData,
in Oct32 p_certificateIssuer,
in Oct64 p_signature,
in Oct32 p_ecdsaNistp256PublicKeyCompressed,
in integer p_compressed_mode
) return boolean {
// log("f_verifyWithEcdsaNistp256WithSha256: toBeVerifiedData", p_toBeVerifiedData);
// log("f_verifyWithEcdsaNistp256WithSha256: toBeVerifiedData length", lengthof(p_toBeVerifiedData));
// log("f_verifyWithEcdsaNistp256WithSha256: signature", p_signature);
// log("f_verifyWithEcdsaNistp256WithSha256: ecdsaNistp256PublicKeyCompressed", p_ecdsaNistp256PublicKeyCompressed);
return fx_verifyWithEcdsaNistp256WithSha256(
p_toBeVerifiedData,
p_certificateIssuer,
p_signature,
p_ecdsaNistp256PublicKeyCompressed,
p_compressed_mode
);
} // End of function f_verifyWithEcdsaNistp256WithSha256
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaNistp256PublicKeyX The public key (x coordinate)
* @param p_ecdsaNistp256PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
function f_verifyWithEcdsaNistp256WithSha256_1( // TODO To be removed
in octetstring p_toBeVerifiedData,
in Oct32 p_certificateIssuer,
in Oct64 p_signature,
in Oct32 p_ecdsaNistp256PublicKeyX,
in Oct32 p_ecdsaNistp256PublicKeyY
) return boolean {
// log("f_verifyWithEcdsaNistp256WithSha256: toBeVerifiedData", p_toBeVerifiedData);
// log("f_verifyWithEcdsaNistp256WithSha256: toBeVerifiedData length", lengthof(p_toBeVerifiedData));
// log("f_verifyWithEcdsaNistp256WithSha256: signature", p_signature);
// log("f_verifyWithEcdsaNistp256WithSha256: ecdsaNistp256PublicKeyX", p_ecdsaNistp256PublicKeyX);
// log("f_verifyWithEcdsaNistp256WithSha256: ecdsaNistp256PublicKeyY", p_ecdsaNistp256PublicKeyY);
return fx_verifyWithEcdsaNistp256WithSha256_1(
p_toBeVerifiedData,
p_certificateIssuer,
p_signature,
p_ecdsaNistp256PublicKeyX,
p_ecdsaNistp256PublicKeyY);
} // End of function f_verifyWithEcdsaNistp256WithSha256_1
/**
* @Desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaBrainpoolp256PublicKeyCompressed The compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
function f_verifyWithEcdsaBrainpoolp256r1WithSha256(
in octetstring p_toBeVerifiedData,
in Oct32 p_certificateIssuer,
in Oct64 p_signature,
in Oct32 p_ecdsaBrainpoolp256PublicKeyCompressed,
in integer p_compressed_mode
) return boolean {
log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: toBeVerifiedData", p_toBeVerifiedData);
log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: toBeVerifiedData length", lengthof(p_toBeVerifiedData));
log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: signature", p_signature);
log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: ecdsaBrainpoolp256PublicKeyCompressed", p_ecdsaBrainpoolp256PublicKeyCompressed);
return fx_verifyWithEcdsaBrainpoolp256r1WithSha256(
p_toBeVerifiedData,
p_certificateIssuer,
p_signature,
p_ecdsaBrainpoolp256PublicKeyCompressed,
p_compressed_mode
);
} // End of function f_verifyWithEcdsaBrainpoolp256r1WithSha256
/**
* @Desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaBrainpoolp256PublicKeyX The public key (x coordinate)
* @param p_ecdsaBrainpoolp256PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
function f_verifyWithEcdsaBrainpoolp256r1WithSha256_1( // TODO To be removed
in octetstring p_toBeVerifiedData,
in Oct32 p_certificateIssuer,
in Oct64 p_signature,
in Oct32 p_ecdsaBrainpoolp256PublicKeyX,
in Oct32 p_ecdsaBrainpoolp256PublicKeyY
) return boolean {
// log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: toBeVerifiedData", p_toBeVerifiedData);
// log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: toBeVerifiedData length", lengthof(p_toBeVerifiedData));
// log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: signature", p_signature);
// log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: ecdsaBrainpoolp256PublicKeyX", p_ecdsaBrainpoolp256PublicKeyX);
// log("f_verifyWithEcdsaBrainpoolp256r1WithSha256: ecdsaBrainpoolp256PublicKeyY", p_ecdsaBrainpoolp256PublicKeyY);
return fx_verifyWithEcdsaBrainpoolp256r1WithSha256_1(
p_toBeVerifiedData,
p_certificateIssuer,
p_signature,
p_ecdsaBrainpoolp256PublicKeyX,
p_ecdsaBrainpoolp256PublicKeyY);
} // End of function f_verifyWithEcdsaBrainpoolp256r1WithSha256_1
/**
* @Desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaBrainpoolp384PublicKeyX The public key (x coordinate)
* @param p_ecdsaBrainpoolp384PublicKeyY The public key (y coordinate)
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
function f_verifyWithEcdsaBrainpoolp384r1WithSha384(
in octetstring p_toBeVerifiedData,
in Oct48 p_certificateIssuer,
in Oct96 p_signature,
in Oct48 p_ecdsaBrainpoolp384PublicKeyCompressed,
in integer p_compressed_mode
) return boolean {
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: toBeVerifiedData", p_toBeVerifiedData);
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: toBeVerifiedData length", lengthof(p_toBeVerifiedData));
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: signature", p_signature);
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: ecdsaBrainpoolp384PublicKeyCompressed", p_ecdsaBrainpoolp384PublicKeyCompressed);
return fx_verifyWithEcdsaBrainpoolp384r1WithSha384(
p_toBeVerifiedData,
p_certificateIssuer,
p_signature,
p_ecdsaBrainpoolp384PublicKeyCompressed,
p_compressed_mode
);
} // End of function f_verifyWithEcdsaBrainpoolp384r1WithSha384
/**
* @Desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaBrainpoolp384PublicKeyX The public key (x coordinate)
* @param p_ecdsaBrainpoolp384PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
function f_verifyWithEcdsaBrainpoolp384r1WithSha384_1( // TODO To be removed
in octetstring p_toBeVerifiedData,
in Oct48 p_certificateIssuer,
in Oct96 p_signature,
in Oct48 p_ecdsaBrainpoolp384PublicKeyX,
in Oct48 p_ecdsaBrainpoolp384PublicKeyY
) return boolean {
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: toBeVerifiedData", p_toBeVerifiedData);
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: toBeVerifiedData length", lengthof(p_toBeVerifiedData));
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: signature", p_signature);
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: ecdsaBrainpoolp384PublicKeyX", p_ecdsaBrainpoolp384PublicKeyX);
// log("f_verifyWithEcdsaBrainpoolp384r1WithSha384: ecdsaBrainpoolp384PublicKeyY", p_ecdsaBrainpoolp384PublicKeyY);
return fx_verifyWithEcdsaBrainpoolp384r1WithSha384_1(
p_toBeVerifiedData,
p_certificateIssuer,
p_signature,
p_ecdsaBrainpoolp384PublicKeyX,
p_ecdsaBrainpoolp384PublicKeyY);
} // End of function f_verifyWithEcdsaBrainpoolp384r1WithSha384_1
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/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @param p_publicKeyCompressed The compressed public keys
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
function f_generate_key_pair_nistp256(
out Oct32 p_privateKey,
out Oct32 p_publicKeyX,
out Oct32 p_publicKeyY,
out Oct32 p_publicKeyCompressed,
out integer p_compressed_mode
) return boolean {
log(">>> f_generate_key_pair_nistp256");
return fx_generateKeyPair_nistp256(p_privateKey, p_publicKeyX, p_publicKeyY, p_publicKeyCompressed, p_compressed_mode);
}
/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @param p_publicKeyCompressed The compressed public keys
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
function f_generate_key_pair_brainpoolp256r1(
out Oct32 p_privateKey,
out Oct32 p_publicKeyX,
out Oct32 p_publicKeyY,
out Oct32 p_publicKeyCompressed,
out integer p_compressed_mode
) return boolean {
log(">>> f_generate_key_pair_brainpoolp256r1");
return fx_generateKeyPair_brainpoolp256r1(p_privateKey, p_publicKeyX, p_publicKeyY, p_publicKeyCompressed, p_compressed_mode);
}
/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @param p_publicKeyCompressed The compressed public keys
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
function f_generate_key_pair_brainpoolp384r1(
out Oct48 p_privateKey,
out Oct48 p_publicKeyX,
out Oct48 p_publicKeyY,
out Oct48 p_publicKeyCompressed,
out integer p_compressed_mode
) return boolean {
return fx_generateKeyPair_brainpoolp384r1(p_privateKey, p_publicKeyX, p_publicKeyY, p_publicKeyCompressed, p_compressed_mode);
}
/**
* @desc Calculate digest over the certificate
* @param p_cert The certificate
* @return the HashedId8 value
* @see Draft ETSI TS 103 097 V1.1.14 Clause 4.2.13 HashedId8
*/
function f_calculateDigestFromCertificate(
in Certificate p_cert
) return HashedId8 {
var octetstring v_hash;
if (PICS_SEC_SHA256) {
v_hash := f_calculateDigestSha256FromCertificate(p_cert);
} if (PICS_SEC_SHA384) {
v_hash := f_calculateDigestSha384FromCertificate(p_cert);
}
return substr(v_hash, lengthof(v_hash) - 8, 8);
} // End of function f_calculateDigestFromCertificate
/**
* @desc Calculate digest over the certificate
* @param p_cert The certificate
* @return the HashedId8 value
* @see Draft ETSI TS 103 097 V1.1.14 Clause 4.2.13 HashedId8
*/
function f_calculateDigestSha256FromCertificate(
in EtsiTs103097Certificate p_cert
) return HashedId8 {
var octetstring v_toBeHashedData;
var octetstring v_hash;
v_toBeHashedData := bit2oct(encvalue(p_cert));
v_hash := f_hashWithSha256(v_toBeHashedData);
return substr(v_hash, lengthof(v_hash) - 8, 8);
} // End of function f_calculateDigestSha256FromCertificate
function f_calculateDigestSha384FromCertificate(
in EtsiTs103097Certificate p_cert
) return HashedId8 {
var octetstring v_toBeHashedData;
var octetstring v_hash;
v_toBeHashedData := bit2oct(encvalue(p_cert));
v_hash := f_hashWithSha384(v_toBeHashedData);
return substr(v_hash, lengthof(v_hash) - 8, 8);
} // End of function f_calculateDigestSha384FromCertificate
function f_duration2time(
in Duration p_duration
) return UInt16 {
if (ischosen(p_duration.seconds)) {
return p_duration.seconds;
} else if (ischosen(p_duration.minutes)) {
return p_duration.minutes;
} else if (ischosen(p_duration.hours)) {
return p_duration.hours;
} else if (ischosen(p_duration.sixtyHours)) {
return p_duration.sixtyHours;
} else if (ischosen(p_duration.years)) {
return p_duration.years;
}
return 0; // Unrechable code
} // End of function f_duration2time
group hostSignatureHelpers {
/**
* @desc Initialize [out] certificates according to the specified certificate name
* @param p_certificateName The certificate name to be used
* @param p_aaCertificate The AA certificate [out]
* @param p_atCertificate The AT certificate [out]
* @return true on succes, false otherwise
* @see Draft ETSI TS 103 097 V1.1.14 Clause 4.2.13 HashedId8
*/
function f_prepareCertificates(
in template (omit) charstring p_certificateName,
out EtsiTs103097Certificate p_aaCertificate,
out EtsiTs103097Certificate p_atCertificate
) runs on ItsSecurityBaseComponent return boolean {
//log(">>> f_prepareCertificates: ", p_certificateName);
// Load certificates if required
if ((lengthof(p_certificateName) > 0) and (valueof(p_certificateName) != cc_taCert_A)) {
var HashedId8 v_digest;
var charstring v_cert;
if (f_readCertificate(valueof(p_certificateName), p_atCertificate) == false){
log("f_prepareCertificates: Failed to read certificate ", p_certificateName);
return false;
}
if (ischosen(p_atCertificate.issuer.sha256AndDigest)) {
v_digest := p_atCertificate.issuer.sha256AndDigest;
} else if (ischosen(p_atCertificate.issuer.sha384AndDigest)) {
v_digest := p_atCertificate.issuer.sha384AndDigest;
} else {
log("f_prepareCertificates: Invalid certificate issuer ", p_atCertificate.issuer);
return false;
}
if (f_getCertificateFromDigest(v_digest, p_aaCertificate, v_cert) == false) {
log("f_prepareCertificates: Failed to read certificate issuer ", v_digest);
return false;
}
} else {
p_atCertificate := vc_atCertificate;
p_aaCertificate := vc_aaCertificate;
}
// Store the certificate to build this message
vc_lastAtCertificateUsed := p_atCertificate;
return true;
} // End of function f_prepareCertificates
/**
* @desc This function build and sign the SecureMessage part covered by the signature process
* @param p_securedMessage The signed SecureMessage part
* @param p_payloadField Payloads to be included in the message
* @param p_mandatoryHeaders Mandatory headers for the selected profile
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_securityProfile Selected security profile
* @return true on success, false otherwise
*/
function f_buildGnSecuredMessage(
inout EtsiTs103097Data p_securedMessage,
in charstring p_certificateName,
in ToBeSignedData p_payloadField
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var octetstring v_secPayload, v_signature;
var ToBeSignedData v_toBeSignedData;
var octetstring v_certificateIssuer;
var octetstring v_privateKey;
log(">>> f_buildGnSecuredMessage: p_securedMessage=", p_securedMessage);
log(">>> f_buildGnSecuredMessage: p_payloadField=", p_payloadField);
// Prepare payload to be signed
v_toBeSignedData := valueof(p_payloadField);
v_secPayload := bit2oct(encvalue(v_toBeSignedData));
log("f_buildGnSecuredMessage: v_secPayload=", v_secPayload);
// Signed payload
if (ispresent(p_certificateName) and (valueof(p_certificateName) != cc_taCert_A)) {
if(not f_readSigningKey(valueof(p_certificateName), v_privateKey)){
return false;
}
} else {
if(not f_readSigningKey(cc_taCert_A, v_privateKey)){
return false;
}
}
// log("f_buildGnSecuredMessage: v_privateKey=", v_privateKey);
f_getCertificateHash(p_certificateName, v_certificateIssuer);
if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature)) {
v_signature := f_signWithEcdsaNistp256WithSha256(
v_secPayload,
v_certificateIssuer,
v_privateKey
);
p_securedMessage.content.signedData.signature_ := valueof(m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(substr(v_signature, 0, 32)),
substr(v_signature, 32, 32)
)
));
} else if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP256r1Signature)) {
v_signature := f_signWithEcdsaBrainpoolp256r1WithSha256(
v_secPayload,
v_certificateIssuer,
v_privateKey
);
p_securedMessage.content.signedData.signature_ := valueof(m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(substr(v_signature, 0, 32)),
substr(v_signature, 32, 32)
)
));
} else if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP384r1Signature)) {
v_signature := f_signWithEcdsaBrainpoolp384r1WithSha384(
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v_secPayload,
v_certificateIssuer,
v_privateKey
);
p_securedMessage.content.signedData.signature_ := valueof(m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(substr(v_signature, 0, 48)),
substr(v_signature, 48, 48)
)
));
} // TODO To be continued
// log("<<< f_buildGnSecuredMessage: p_securedMessage=", p_securedMessage);
return true;
} // End of function f_buildGnSecuredMessage
/**
* @desc This function build and sign the SecureMessage part covered by the signature process including wrong elements of protocols. It is used for BO test cases
* @param p_securedMessage The signed SecureMessage part
* @param p_certificateName The certificate name
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_payloadField Payloads to be included in the message
* @param p_mandatoryHeaders Mandatory headers for the selected profile
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_securityProfile Selected security profile
* @return true on success, false otherwise
*/
function f_buildGnSecuredMessage_Bo(
inout EtsiTs103097Data p_securedMessage,
in template (value) charstring p_certificateName,
in UInt8 p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 0,
in template (value) ToBeSignedData p_payloadField,
in template (value) HeaderInfo p_mandatoryHeaders,
in template (omit) HeaderInfo p_headerInfo := omit
) return boolean {
// Local variables
var octetstring v_secPayload, v_signature;
var template (value) ToBeSignedData v_toBeSignedData;
var integer i, j, k, n;
var HeaderInfo v_headerFields;
var Ieee1609Dot2Content v_toBeSignedPayload;
var Oct32 v_privateKey;
var UInt8 v_trailerSize;
// Prepare headers
if (not(ispresent(p_headerInfo))) {
v_headerFields := valueof(p_mandatoryHeaders);
} else {/* FIXME To be reviewed
// Merge p_headerInfo and v_mandatoryHeaders into v_headerFields
i := 0; // index for p_headerInfo
j := 0; // index for v_mandatoryHeaders
k := 0; // index for v_headerFields
// Special processing for signer_info
if (lengthof(valueof(p_headerInfo)) > 0 and valueof(p_headerInfo[i].type_) == e_signer_info) {
v_headerFields[k] := valueof(p_headerInfo[i]);
k := k + 1;
i := i + 1;
}
for (j := j; j < lengthof(p_mandatoryHeaders); j := j + 1) {
// Search for mandatory header in p_HeaderFields
for (n := 0; n < lengthof(p_headerInfo); n := n + 1) {
if (valueof(p_headerInfo[n].type_) == valueof(p_mandatoryHeaders[j].type_)) {
// mandatory header already in p_HeaderFields
break;
}
} // End of 'for' statement
if (n >= lengthof(p_headerInfo)) {
if (valueof(p_mandatoryHeaders[j].type_) != e_signer_info) {
// Add headers from p_headerInfo having lower number than mandatory header
for (n := i; n < lengthof(p_headerInfo) and valueof(p_headerInfo[n].type_) < valueof(p_mandatoryHeaders[j].type_); n := n + 1) {
v_headerFields[k] := valueof(p_headerInfo[n]);
k := k + 1;
i := i + 1;
}
}
// Add mandatory header
v_headerFields[k] := valueof(p_mandatoryHeaders[j]);
k := k + 1;
}
} // End of 'for' statement
// Add remaining headers from p_HeaderFields
for ( i := i; i < lengthof(p_headerInfo); i := i + 1) {
// Add headers from p_headerInfo having lower number than mandatory header
v_headerFields[k] := valueof(p_headerInfo[i]);
k := k + 1;
} // End of 'for' statement
*/}
// Prepare payload to be signed
/* FIXME To be reviewed v_toBeSignedPayload := valueof(p_payloadField);
// log("p_trailerStatus=", p_trailerStatus);
if (p_trailerStatus == 0) {
v_trailerSize := 0;
} else if (p_trailerStatus == 1) {
v_trailerSize := 67;
} else if (p_trailerStatus == 2) {
v_trailerSize := 2 * 67;
} else {
v_trailerSize := 67;
}
v_toBeSignedData := m_toBeSignedSecuredMessage_wrong_protocol(
v_headerFields,
v_toBeSignedPayload,
e_signature,
p_protocolVersion,
v_trailerSize
);*/
// log("m_toBeSignedSecuredMessage_wrong_protocol=", v_toBeSignedData);
/* FIXME To be reviewedv_secPayload := bit2oct(encvalue(v_toBeSignedData));
// log("v_secPayload=", v_secPayload);
// Signed payload
if (ispresent(p_certificateName) and (valueof(p_certificateName) != cc_taCert_A)) {
if(not f_readSigningKey(valueof(p_certificateName), v_privateKey)){
return false;
}
} else {
if(not f_readSigningKey(cc_taCert_A, v_privateKey)){
return false;
}
}
v_signature := f_signWithEcdsaNistp256WithSha256(
v_secPayload,
v_privateKey
);*/
// log("v_signature=", v_signature);
// log("p_trailerStatus=", p_trailerStatus);
/* FIXME To be reviewed if (p_trailerStatus == 0) { // No signature
p_securedMessage := m_securedMessage(
valueof(v_toBeSignedData.header_fields),
p_payloadField,
{ }
);
v_trailerSize := 0;
} else if (p_trailerStatus == 2) { // Duplicate signature
p_securedMessage := m_securedMessage(
valueof(v_toBeSignedData.header_fields),
p_payloadField,
{
m_trailer_field_signature(
m_signature(
m_ecdsaSignature(
m_eccPointecdsa_nistp256_with_sha256_y_coordinate_only(
substr(v_signature, 2, 32)
),
substr(v_signature, 34, 32)
)
)
),
m_trailer_field_signature(
m_signature(
m_ecdsaSignature(
m_eccPointecdsa_nistp256_with_sha256_y_coordinate_only(
substr(v_signature, 2, 32)
),
substr(v_signature, 34, 32)
)
)
)
}
);
} else if (p_trailerStatus == 3) { // Signature with reserved algorthm
p_securedMessage := m_ieee1609Dot2Data_wrong_protocol(
p_protocolVersion,
valueof(v_toBeSignedData.header_fields),
p_payloadField,
{
m_trailer_field_signature(
m_unknownSignature(
v_signature
)
)
}
);
} else { // Invalid signature
p_securedMessage := m_securedMessage(
valueof(v_toBeSignedData.header_fields),
p_payloadField,
{
m_trailer_field_signature(
m_signature(
m_ecdsaSignature(
m_eccPointecdsa_nistp256_with_sha256_y_coordinate_only(
substr(v_signature, 2, 32)
),
substr(v_signature, 34, 32)
)
)
)
}
);
p_securedMessage.trailer_fields[0].trailerField.signature_.ecdsaNistP256Signature.sSig := not4b(valueof(p_securedMessage.trailer_fields[0].trailerField.signature_.ecdsaNistP256Signature.sSig));
}*/
return false;/* FIXME To be reviewed true;*/
} // End of function f_buildGnSecuredMessage_Bo
/**
* @desc This function build and sign the SecureMessage part covered by the signature process
* @param p_securedMessage The signed SecureMessage part
* @param p_payloadField Payloads to be included in the message
* @param p_signerIdentifierType Add digest or AT certificate or certificate chain
* @param p_certificateName The certificate identifier to be used. Default: TA_CERT_A
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerInfo
* @return true on success, false otherwise
*
* @see Draft ETSI TS 103 097 V1.1.14 Clause 7.1 Security profile for CAMs
*/
function f_buildGnSecuredCam(
out EtsiTs103097Data p_securedMessage,
in ToBeSignedData p_payloadField,
in SignerIdentifier p_signerIdentifierType,
in charstring p_certificateName := ""/*,
in boolean p_addMissingHeaders := true*/
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var EtsiTs103097Certificate v_aaCertificate, v_atCertificate;
log(">>> f_buildGnSecuredCam: p_securedMessage= ", p_securedMessage);
log(">>> f_buildGnSecuredCam: p_payloadField= ", p_payloadField);
// Load certificates if required
if (f_prepareCertificates(p_certificateName, v_aaCertificate, v_atCertificate) == false) {
return false;
}
//log("f_buildGnSecuredCam: v_atCertificate = ", v_atCertificate);
// Fill the structure with default values, these values will be updated later
p_securedMessage := valueof(m_etsiTs103097Data_signed(
m_signedData(
sha256,
p_payloadField,
m_signerIdentifier_self,
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(int2oct(0, 32)),
int2oct(0, 32)
)
)
)
));
// Prepare mandatory headers
//log("f_buildGnSecuredCam: p_signerIdentifierType=", p_signerIdentifierType);
if (ischosen(p_signerIdentifierType.certificate)) { // Add the AT certificate
log("*** " & testcasename() & "f_buildGnSecuredCam: TODO ***");
stop;
/* TODO
* v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificate(
v_atCertificate
)));
} else if (valueof(p_signerIdentifierType) == e_certificate_chain) { // Add the AT certificate + AA EtsiTs103097Certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificates(
{
v_aaCertificate,
v_atCertificate
}
)
));*/
} else if (ischosen(p_signerIdentifierType.digest)) { // Add the AT certificate digest
if (ischosen(v_atCertificate.issuer.sha256AndDigest)) {
p_securedMessage.content.signedData.hashId := sha256;
p_securedMessage.content.signedData.signer := valueof(m_signerIdentifier_digest(
f_calculateDigestSha256FromCertificate(v_atCertificate)
));
} else if (ischosen(v_atCertificate.issuer.sha384AndDigest)) {
p_securedMessage.content.signedData.hashId := sha384;
p_securedMessage.content.signedData.signer := valueof(m_signerIdentifier_digest(
f_calculateDigestSha384FromCertificate(v_atCertificate)
));
}
} else {
log("*** " & testcasename() & "f_buildGnSecuredCam: TODO ***");
stop;
}
if (ispresent(v_atCertificate.signature_)) {
if (ischosen(v_atCertificate.signature_.ecdsaBrainpoolP256r1Signature)) {
p_securedMessage.content.signedData.signature_ := valueof(m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(int2oct(0, 32)),
int2oct(0, 32)
)
));
} else if (ischosen(v_atCertificate.signature_.ecdsaBrainpoolP384r1Signature)) {
p_securedMessage.content.signedData.signature_ := valueof(m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(int2oct(0, 48)),
int2oct(0, 48)
)
));
} // else, m_signature_ecdsaNistP256 already chosen by default
}
//log("f_buildGnSecuredCam: p_securedMessage = ", p_securedMessage);
return f_buildGnSecuredMessage(p_securedMessage, p_certificateName, p_payloadField/*, v_mandatoryHeaders*/);
} // End of function f_buildGnSecuredCam
/**
* @desc This function build and sign the SecureMessage part covered by the signature process including wrong elements of protocols. It is used for BO test cases
* @param p_securedMessage The signed SecureMessage part
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_payloadField Payloads to be included in the message
* @param p_signerIdentifierType Add digest or AT certificate or certificate chain
* @param p_threeDLocation The 3D location
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_certificateName The certificate identifier to be used. Default: TA_CERT_A
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerInfo
* @param p_alterATCertificateSignature Set to true to alter the AT certificate signature
* @param p_alterAACertificateSignature Set to true to alter the AA certificate signature
* @return true on success, false otherwise
*
* @see Draft ETSI TS 103 097 V1.1.14 Clause 7.1 Security profile for CAMs
*/
function f_buildGnSecuredCam_Bo(
inout EtsiTs103097Data p_securedMessage,
in UInt8 p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 0,
in ToBeSignedData p_payloadField,
in SignerIdentifier p_signerIdentifierType, // FIXME To be reviewed
in template (omit) HeaderInfo p_headerInfo := omit,
in charstring p_certificateName := "",
in boolean p_addMissingHeaders := true,
in boolean p_alterATCertificateSignature := false,
in boolean p_alterAACertificateSignature := false
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var EtsiTs103097Certificate v_aaCertificate, v_atCertificate;
var HeaderInfo v_mandatoryHeaders := valueof(m_ieee1609Dot2_headerInfo(0));
var HeaderInfo v_signerInfo;
// Load certificates if required
if (f_prepareCertificates(p_certificateName, v_aaCertificate, v_atCertificate) == false) {
return false;
}
if (p_alterATCertificateSignature == true) {
v_atCertificate.signature_.ecdsaNistP256Signature.sSig := not4b(v_atCertificate.signature_.ecdsaNistP256Signature.sSig);
}
if (p_alterAACertificateSignature == true) {
v_aaCertificate.signature_.ecdsaNistP256Signature.sSig := not4b(v_aaCertificate.signature_.ecdsaNistP256Signature.sSig);
}
/* FIXME To be reviewed if (p_addMissingHeaders == true) {
// Prepare mandatory headers
if (valueof(p_signerIdentifierType) == e_certificate) { // Add the AT certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificate(
v_atCertificate
)));
} else if (valueof(p_signerIdentifierType) == e_certificate_chain) { // Add the AT certificate + AA EtsiTs103097Certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificates(
{
v_aaCertificate,
v_atCertificate
}
)
));
} else if (valueof(p_signerIdentifierType) == e_certificate_digest_with_sha256) { // Add the AT certificate digest
v_signerInfo := valueof(
m_header_info_signer_info(
m_issuerIdentifier_sha256AndDigest(
f_calculateDigestFromCertificate(v_atCertificate)
)));
}
v_mandatoryHeaders := {
v_signerInfo,
valueof(m_header_info_generation_time(1000 * f_getCurrentTime())), // In us
valueof(m_header_info_its_aid(c_its_aid_CAM))
}
}*/
return f_buildGnSecuredMessage_Bo(p_securedMessage, p_certificateName, p_protocolVersion, p_trailerStatus, p_payloadField, v_mandatoryHeaders, p_headerInfo);
} // End of function f_buildGnSecuredCam_Bo
/**
* @desc This function build and sign the SecureMessage part covered by the signature process
* @param p_securedMessage The signed SecureMessage part
* @param p_payloadField Payloads to be included in the message
* @param p_signerIdentifierType Add digest or AT certificate or certificate chain
* @param p_threeDLocation The 3D location
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_certificateName The certificate identifier to be used. Default: TA_CERT_A
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerInfo
* @return true on success, false otherwise
*/
function f_buildGnSecuredDenm(
inout EtsiTs103097Data p_securedMessage,
in ToBeSignedData p_payloadField,
in SignerIdentifier p_signerIdentifierType,
in ThreeDLocation p_threeDLocation,
in template (omit) HeaderInfo p_headerInfo := omit,
in charstring p_certificateName := "",
in boolean p_addMissingHeaders := true
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var EtsiTs103097Certificate v_aaCertificate, v_atCertificate;
var HeaderInfo v_mandatoryHeaders := valueof(m_ieee1609Dot2_headerInfo(0));
var HeaderInfo v_signerInfo;
// Load certificates if required
if (f_prepareCertificates(p_certificateName, v_aaCertificate, v_atCertificate) == false) {
return false;
}
// Add additional headers if required
/* FIXME To be reviewed if (p_addMissingHeaders == true) {
// Prepare mandatory headers
if (valueof(p_signerIdentifierType) == e_certificate) { // Add the AT certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificate(
v_atCertificate
)));
} else if (valueof(p_signerIdentifierType) == e_certificate_chain) { // Add the AT certificate + AA EtsiTs103097Certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificates(
{
v_aaCertificate,
v_atCertificate
}
)
));
} else if (valueof(p_signerIdentifierType) == e_certificate_digest_with_sha256) { // Add the AT certificate digest
v_signerInfo := valueof(
m_header_info_signer_info(
m_issuerIdentifier_sha256AndDigest(
v_atCertificate.cracaId
)));
}
v_mandatoryHeaders := {
v_signerInfo,
valueof(m_header_info_generation_time(1000 * f_getCurrentTime())), // In us
valueof(m_header_info_generation_location(p_threeDLocation)),
valueof(m_header_info_its_aid(c_its_aid_DENM))
}
}*/
// Build the secured message and return it
return f_buildGnSecuredMessage(p_securedMessage, p_certificateName, p_payloadField/*, v_mandatoryHeaders*/);
} // End of function f_buildGnSecuredDenm
/**
* @desc This function build and sign the SecureMessage part covered by the signature process including wrong elements of protocols. It is used for BO test cases
* @param p_securedMessage The signed SecureMessage part
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_payloadField Payloads to be included in the message
* @param p_signerIdentifierType Add digest or AT certificate or certificate chain
* @param p_threeDLocation The 3D location
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_certificateName The certificate identifier to be used. Default: TA_CERT_A
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerInfo
* @return true on success, false otherwise
*/
function f_buildGnSecuredDenm_Bo(
inout EtsiTs103097Data p_securedMessage,
in UInt8 p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 0,
in ToBeSignedData p_payloadField,
in SignerIdentifier p_signerIdentifierType, // FIXME To be reviewed
in ThreeDLocation p_threeDLocation,
in template (omit) HeaderInfo p_headerInfo := omit,
in charstring p_certificateName := "",
in boolean p_addMissingHeaders := true
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var EtsiTs103097Certificate v_aaCertificate, v_atCertificate;
var HeaderInfo v_mandatoryHeaders := valueof(m_ieee1609Dot2_headerInfo(0));
var HeaderInfo v_signerInfo;
// Load certificates if required
if (f_prepareCertificates(p_certificateName, v_aaCertificate, v_atCertificate) == false) {
return false;
}
// Add additional headers if required
/* FIXME To be reviewed if (p_addMissingHeaders == true) {
// Prepare mandatory headers
if (valueof(p_signerIdentifierType) == e_certificate) { // Add the AT certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificate(
v_atCertificate
)));
} else if (valueof(p_signerIdentifierType) == e_certificate_chain) { // Add the AT certificate + AA EtsiTs103097Certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificates(
{
v_aaCertificate,
v_atCertificate
}
)
));
} else if (valueof(p_signerIdentifierType) == e_certificate_digest_with_sha256) { // Add the AT certificate digest
v_signerInfo := valueof(
m_header_info_signer_info(
m_issuerIdentifier_sha256AndDigest(
v_atCertificate.cracaId
)));
}
v_mandatoryHeaders := {
v_signerInfo,
valueof(m_header_info_generation_time(1000 * f_getCurrentTime())), // In us
valueof(m_header_info_generation_location(p_threeDLocation)),
valueof(m_header_info_its_aid(c_its_aid_DENM))
}
}*/
// Build the secured message and return it
return f_buildGnSecuredMessage_Bo(p_securedMessage, p_certificateName, p_protocolVersion, p_trailerStatus, p_payloadField, v_mandatoryHeaders, p_headerInfo);
} // End of function f_buildGnSecuredDenm_Bo
/**
* @desc This function build and sign the SecureMessage part covered by the signature process
* @param p_securedMessage The signed SecureMessage part
* @param p_payloadField Payloads to be included in the message
* @param p_signerIdentifierType Add digest or AT certificate or certificate chain
* @param p_threeDLocation The 3D location
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_certificateName The certificate identifier to be used. Default: TA_CERT_A
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerInfo
* @return true on success, false otherwise
*/
function f_buildGnSecuredOtherMessage(
inout EtsiTs103097Data p_securedMessage,
in ToBeSignedData p_payloadField,
in SignerIdentifier p_signerIdentifierType, // FIXME To be reviewed
in ThreeDLocation p_threeDLocation,
in template (omit) HeaderInfo p_headerInfo := omit,
in charstring p_certificateName := "",
in boolean p_addMissingHeaders := true
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var EtsiTs103097Certificate v_aaCertificate, v_atCertificate;
var HeaderInfo v_mandatoryHeaders := valueof(m_ieee1609Dot2_headerInfo(0));
var HeaderInfo v_signerInfo;
// Load certificates if required
if (f_prepareCertificates(p_certificateName, v_aaCertificate, v_atCertificate) == false) {
return false;
}
// Add additional headers if required
/* FIXME To be reviewed if (p_addMissingHeaders == true) {
// Prepare mandatory headers
if (valueof(p_signerIdentifierType) == e_certificate) { // Add the AT certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificate(
v_atCertificate
)));
} else if (valueof(p_signerIdentifierType) == e_certificate_chain) { // Add the AT certificate + AA EtsiTs103097Certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificates(
{
v_aaCertificate,
v_atCertificate
}
)
));
} else if (valueof(p_signerIdentifierType) == e_certificate_digest_with_sha256) { // Add the AT certificate digest
v_signerInfo := valueof(
m_header_info_signer_info(
m_issuerIdentifier_sha256AndDigest(
v_atCertificate.cracaId
)));
}
v_mandatoryHeaders := {
v_signerInfo,
valueof(m_header_info_generation_time(1000 * f_getCurrentTime())), // In us
valueof(m_header_info_generation_location(p_threeDLocation))
}
}*/
// Build the secured message and return it
return f_buildGnSecuredMessage(p_securedMessage, p_certificateName, p_payloadField/*, v_mandatoryHeaders*/);
} // End of function f_buildGnSecuredOtherMessage
/**
* @desc This function build and sign the SecureMessage part covered by the signature process including wrong elements of protocols. It is used for BO test cases
* @param p_securedMessage The signed SecureMessage part
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_payloadField Payloads to be included in the message
* @param p_signerIdentifierType Add digest or AT certificate or certificate chain
* @param p_threeDLocation The 3D location
* @param p_headerInfo HeaderInfo to be inserted in the message
* @param p_certificateName The certificate identifier to be used. Default: TA_CERT_A
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerInfo
* @return true on success, false otherwise
*/
function f_buildGnSecuredOtherMessage_Bo(
inout EtsiTs103097Data p_securedMessage,
in UInt8 p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 0,
in ToBeSignedData p_payloadField,
in SignerIdentifier p_signerIdentifierType, // FIXME To be reviewed
in ThreeDLocation p_threeDLocation,
in template (omit) HeaderInfo p_headerInfo := omit,
in charstring p_certificateName := "",
in boolean p_addMissingHeaders := true
) runs on ItsSecurityBaseComponent return boolean {
// Local variables
var EtsiTs103097Certificate v_aaCertificate, v_atCertificate;
var HeaderInfo v_mandatoryHeaders := valueof(m_ieee1609Dot2_headerInfo(0));
var HeaderInfo v_signerInfo;
// Load certificates if required
if (f_prepareCertificates(p_certificateName, v_aaCertificate, v_atCertificate) == false) {
return false;
}
// Add additional headers if required
/* FIXME To be reviewed if (p_addMissingHeaders == true) {
// Prepare mandatory headers
if (valueof(p_signerIdentifierType) == e_certificate) { // Add the AT certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificate(
v_atCertificate
)));
} else if (valueof(p_signerIdentifierType) == e_certificate_chain) { // Add the AT certificate + AA EtsiTs103097Certificate
v_signerInfo := valueof(
m_header_info_signer_info(
m_signerIdentifier_certificates(
{
v_aaCertificate,
v_atCertificate
}
)
));
} else if (valueof(p_signerIdentifierType) == e_certificate_digest_with_sha256) { // Add the AT certificate digest
v_signerInfo := valueof(
m_header_info_signer_info(
m_issuerIdentifier_sha256AndDigest(
v_atCertificate.cracaId
)));
}
v_mandatoryHeaders := {
v_signerInfo,
valueof(m_header_info_generation_time(1000 * f_getCurrentTime())), // In us
valueof(m_header_info_generation_location(p_threeDLocation))
}
}*/
// FIXME To be done
// Build the secured message and return it
return f_buildGnSecuredMessage(p_securedMessage, p_certificateName, p_payloadField/*, v_mandatoryHeaders*/);
} // End of function f_buildGnSecuredOtherMessage_Bo
} // End of group hostSignatureHelpers
group deviceSignatureHelpers {
/**
* @desc Retrieve the HashedId8 to be sent to the IUT, based on the provided certificate identifier
* @param p_certificateName The certificate the IUT shall use
* @return The HashedId8 to be sent to the IUT in the UtInitialize command
* @verdict Unchanged
* @remark Component variable vc_hashedId8ToBeUsed shall be set with the IUT certificate to be used
*/
function f_setupIutCertificate(
in charstring p_certificateName
) runs on ItsSecurityBaseComponent return HashedId8 {
// Local variables
var HashedId8 v_hashedId8 := '0000000000000000'O;
// Sanity check
if (lengthof(p_certificateName) == 0) {
return v_hashedId8;
}
// Load certificates
if(f_getCertificateDigest(p_certificateName, v_hashedId8) == false) {
v_hashedId8 := '0000000000000000'O;
}
return v_hashedId8;
} // End of function f_setupIutCertificate
/**
* @desc Verify the signature of the provided certificate
* @param p_certificateToBeVerified EtsiTs103097Certificate to be verified
* @param p_publicKey Public key to verify the certificate signature
* @return true on success, false otherwise
* @verdict
*/
function f_verifyCertificateSignatureWithPublicKey(
in template (value) EtsiTs103097Certificate p_certificateToBeVerified,
in template (value) PublicVerificationKey p_publicVerificationKey
) return boolean {
var ToBeSignedCertificate v_toBeSignedCertificate;
var octetstring v_enc_msg;
var octetstring v_signature;
var octetstring v_issuer;
log(">>> f_verifyCertificateSignatureWithPublicKey: p_certificateToBeVerified=", p_certificateToBeVerified);
log(">>> f_verifyCertificateSignatureWithPublicKey: p_publicVerificationKey=", p_publicVerificationKey);
// Create ToBeSignedCertificate payload to be signed
v_toBeSignedCertificate := valueof(p_certificateToBeVerified.toBeSigned);
log("f_verifyCertificateSignatureWithPublicKey: v_toBeSignedCertificate=", v_toBeSignedCertificate);
v_enc_msg := bit2oct(encvalue(v_toBeSignedCertificate));
log("f_verifyCertificateSignatureWithPublicKey: v_enc_msg=", v_enc_msg);
// Verify payload
if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP256r1)) {
if (ischosen(p_certificateToBeVerified.issuer.self_)) {
v_issuer := int2oct(0, 32);
} else {
var charstring v_certificate;
if (fx_readCertificateFromDigest(valueof(p_certificateToBeVerified.issuer.sha256AndDigest), v_certificate) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid issuer: ", p_certificateToBeVerified.issuer.sha256AndDigest);
return false;
}
if (f_getCertificateHash(v_certificate, v_issuer) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid certificate: " & v_certificate);
return false;
}
}
v_signature := valueof(p_certificateToBeVerified.signature_.ecdsaBrainpoolP256r1Signature.rSig.x_only) & valueof(p_certificateToBeVerified.signature_.ecdsaBrainpoolP256r1Signature.sSig);
log("f_verifyCertificateSignatureWithPublicKey: v_signedData=", v_signature);
if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP256r1.uncompressedP256)) {
return f_verifyWithEcdsaBrainpoolp256r1WithSha256_1(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaBrainpoolP256r1.uncompressedP256.x),
valueof(p_publicVerificationKey.ecdsaBrainpoolP256r1.uncompressedP256.y)
);
} else if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP256r1.compressed_y_0)) {
return f_verifyWithEcdsaBrainpoolp256r1WithSha256(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaBrainpoolP256r1.compressed_y_0),
0 // Latest bit of the Y-coordinate is 0
);
} else if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP256r1.compressed_y_1)) {
return f_verifyWithEcdsaBrainpoolp256r1WithSha256(
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v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaBrainpoolP256r1.compressed_y_1),
1 // Latest bit of the Y-coordinate is 1
);
} else {
log("f_verifyCertificateSignatureWithPublicKey: Unknown PublicVerificationKey value");
return false;
}
} else if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP384r1)) {
if (ischosen(p_certificateToBeVerified.issuer.self_)) {
v_issuer := int2oct(0, 48);
} else {
var charstring v_certificate;
if (fx_readCertificateFromDigest(valueof(p_certificateToBeVerified.issuer.sha384AndDigest), v_certificate) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid issuer: ", p_certificateToBeVerified.issuer.sha384AndDigest);
return false;
}
if (f_getCertificateHash(v_certificate, v_issuer) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid certificate: " & v_certificate);
return false;
}
}
v_signature := valueof(p_certificateToBeVerified.signature_.ecdsaBrainpoolP384r1Signature.rSig.x_only) & valueof(p_certificateToBeVerified.signature_.ecdsaBrainpoolP384r1Signature.sSig);
log("f_verifyCertificateSignatureWithPublicKey: v_signedData=", v_signature);
if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP384r1.uncompressedP384)) {
return f_verifyWithEcdsaBrainpoolp384r1WithSha384_1(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaBrainpoolP384r1.uncompressedP384.x),
valueof(p_publicVerificationKey.ecdsaBrainpoolP384r1.uncompressedP384.y)
);
} else if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP384r1.compressed_y_0)) {
return f_verifyWithEcdsaBrainpoolp384r1WithSha384(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaBrainpoolP384r1.compressed_y_0),
0 // Latest bit of the Y-coordinate is 0
);
} else if (ischosen(p_publicVerificationKey.ecdsaBrainpoolP384r1.compressed_y_1)) {
return f_verifyWithEcdsaBrainpoolp384r1WithSha384(
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v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaBrainpoolP384r1.compressed_y_1),
1 // Latest bit of the Y-coordinate is 1
);
} else {
log("f_verifyCertificateSignatureWithPublicKey: Unknown PublicVerificationKey value");
return false;
}
} else if (ischosen(p_publicVerificationKey.ecdsaNistP256)) {
if (ischosen(p_certificateToBeVerified.issuer.self_)) {
v_issuer := int2oct(0, 32);
} else {
var charstring v_certificate;
if (fx_readCertificateFromDigest(valueof(p_certificateToBeVerified.issuer.sha256AndDigest), v_certificate) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid issuer: ", p_certificateToBeVerified.issuer.sha256AndDigest);
return false;
}
if (f_getCertificateHash(v_certificate, v_issuer) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid certificate: " & v_certificate);
return false;
}
}
v_signature := valueof(p_certificateToBeVerified.signature_.ecdsaNistP256Signature.rSig.x_only) & valueof(p_certificateToBeVerified.signature_.ecdsaNistP256Signature.sSig);
log("f_verifyCertificateSignatureWithPublicKey: v_signedData=", v_signature);
if (ischosen(p_publicVerificationKey.ecdsaNistP256.uncompressedP256)) {
return f_verifyWithEcdsaNistp256WithSha256_1(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaNistP256.uncompressedP256.x),
valueof(p_publicVerificationKey.ecdsaNistP256.uncompressedP256.y)
);
} else if (ischosen(p_publicVerificationKey.ecdsaNistP256.compressed_y_0)) {
return f_verifyWithEcdsaNistp256WithSha256(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaNistP256.compressed_y_0),
0 // Latest bit of the Y-coordinate is 0
);
} else if (ischosen(p_publicVerificationKey.ecdsaNistP256.compressed_y_1)) {
return f_verifyWithEcdsaNistp256WithSha256(
v_enc_msg,
v_issuer,
v_signature,
valueof(p_publicVerificationKey.ecdsaNistP256.compressed_y_1),
1 // Latest bit of the Y-coordinate is 1
);
} else {
log("f_verifyCertificateSignatureWithPublicKey: Unknown PublicVerificationKey value");
return false;
}
}
return false;
} // End of finction f_verifyCertificateSignatureWithPublicKey
/**
* @desc Verify the signature of the provided secured message
* @param p_certificateToBeVerified EtsiTs103097Certificate to be verified
* @param p_issuingCertificate Issuing certificate
* @return true on success, false otherwise
* @verdict
*/
function f_verifyCertificateSignatureWithIssuingCertificate(
in template (value) EtsiTs103097Certificate p_certificateToBeVerified,
in template (value) EtsiTs103097Certificate p_issuingCertificate
) return boolean {
// Sanity checks
if (not(ischosen(p_issuingCertificate.toBeSigned.verifyKeyIndicator.verificationKey))) {
return false;
}
return f_verifyCertificateSignatureWithPublicKey(
p_certificateToBeVerified,
p_issuingCertificate.toBeSigned.verifyKeyIndicator.verificationKey
);
} // End of function f_verifyCertificateSignatureWithIssuingCertificate
/**
* @desc Verify the signature of the provided secured message for ECDSA Nist-P256 algorithm
* @param p_securedMessage The message to be verified
* @param p_publicKey The ECDSA public key to verify a signature
* @param p_certificate EtsiTs103097Certificate to be used to verify the message
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_verifyGnSecuredMessageSignature_ecdsaNistP256(
in template (value) Ieee1609Dot2Data p_securedMessage,
in template (value) Oct32 p_certificateIssuer,
in template (value) EccP256CurvePoint p_publicKey
) return boolean {
// Local variables
var octetstring v_secPayload;
var octetstring v_signedData;
var boolean v_result := false;
var template (value) ToBeSignedData v_toBeSignedData;
log(">>> f_verifyGnSecuredMessageSignature_ecdsaNistP256: p_securedMessage= ", p_securedMessage);
log(">>> f_verifyGnSecuredMessageSignature_ecdsaNistP256: p_certificateIssuer= ", p_certificateIssuer);
log(">>> f_verifyGnSecuredMessageSignature_ecdsaNistP256: p_publicKey= ", p_publicKey);
// Create Ieee1609Dot2Data payload to be signed
v_toBeSignedData := valueof(p_securedMessage.content.signedData.tbsData);
log("f_verifyGnSecuredMessageSignature_ecdsaNistP256: v_toBeSignedData=", p_securedMessage.content.signedData.tbsData);
v_secPayload := bit2oct(encvalue(v_toBeSignedData));
log("f_verifyGnSecuredMessageSignature_ecdsaNistP256: v_secPayload=", v_secPayload);
// Verify payload
// TODO Check in standard if x-only only
if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.rSig.x_only)) {
v_signedData := valueof(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.rSig.x_only) & valueof(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.sSig);
} else if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.rSig.compressed_y_0)) {
v_signedData := valueof(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.rSig.compressed_y_0) & valueof(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.sSig);
} else if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.rSig.compressed_y_1)) {
v_signedData := valueof(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.rSig.compressed_y_1) & valueof(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature.sSig);
}
log("f_verifyGnSecuredMessageSignature_ecdsaNistP256: v_signedData=", v_signedData);
if (ischosen(p_publicKey.uncompressedP256)) {
v_result := f_verifyWithEcdsaNistp256WithSha256_1(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.uncompressedP256.x),
valueof(p_publicKey.uncompressedP256.y)
);
} else if (ischosen(p_publicKey.compressed_y_0)) {
v_result := f_verifyWithEcdsaNistp256WithSha256(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.compressed_y_0),
0
);
} else if (ischosen(p_publicKey.compressed_y_1)) {
v_result := f_verifyWithEcdsaNistp256WithSha256(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.compressed_y_1),
1
);
}
log("f_verifyGnSecuredMessageSignature_ecdsaNistP256: v_result=", v_result);
return v_result;
} // End of function f_verifyGnSecuredMessageSignature_ecdsaNistP256
/**
* @desc Verify the signature of the provided secured message for ECDSA Brainpool-P256 algorithm
* @param p_securedMessage The message to be verified
* @param p_publicKey The ECDSA public key to verify a signature
* @param p_certificate EtsiTs103097Certificate to be used to verify the message
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1(
in template (value) Ieee1609Dot2Data p_securedMessage,
in template (value) Oct32 p_certificateIssuer,
in template (value) EccP256CurvePoint p_publicKey
) return boolean {
// Local variables
var octetstring v_secPayload;
var octetstring v_signedData;
var boolean v_result := false;
var template (value) ToBeSignedData v_toBeSignedData;
log(">>> f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: p_securedMessage= ", p_securedMessage);
log(">>> f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: p_certificateIssuer= ", p_certificateIssuer);
log(">>> f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: p_publicKey= ", p_publicKey);
// Create Ieee1609Dot2Data payload to be signed
v_toBeSignedData := valueof(p_securedMessage.content.signedData.tbsData);
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: v_toBeSignedData=", p_securedMessage.content.signedData.tbsData);
v_secPayload := bit2oct(encvalue(v_toBeSignedData));
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: v_secPayload=", v_secPayload);
// Verify payload
v_signedData := valueof(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP256r1Signature.rSig.x_only) & valueof(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP256r1Signature.sSig);
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: v_signedData=", v_signedData);
if (ischosen(p_publicKey.uncompressedP256)) {
v_result := f_verifyWithEcdsaBrainpoolp256r1WithSha256_1(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.uncompressedP256.x),
valueof(p_publicKey.uncompressedP256.y)
);
} else if (ischosen(p_publicKey.compressed_y_0)) {
v_result := f_verifyWithEcdsaBrainpoolp256r1WithSha256(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.compressed_y_0),
0
);
} else if (ischosen(p_publicKey.compressed_y_1)) {
v_result := f_verifyWithEcdsaBrainpoolp256r1WithSha256(
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v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.compressed_y_1),
1
);
}
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1: v_result=", v_result);
return v_result;
} // End of function f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1
/**
* @desc Verify the signature of the provided secured message for ECDSA Brainpool-P384 algorithm
* @param p_securedMessage The message to be verified
* @param p_publicKey The ECDSA public key to verify a signature
* @param p_certificate EtsiTs103097Certificate to be used to verify the message
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1(
in template (value) Ieee1609Dot2Data p_securedMessage,
in template (value) Oct48 p_certificateIssuer,
in template (value) EccP384CurvePoint p_publicKey
) return boolean {
// Local variables
var octetstring v_secPayload;
var octetstring v_signedData;
var boolean v_result := false;
var template (value) ToBeSignedData v_toBeSignedData;
log(">>> f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: p_securedMessage= ", p_securedMessage);
log(">>> f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: p_certificateIssuer= ", p_certificateIssuer);
log(">>> f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: p_publicKey= ", p_publicKey);
// Create Ieee1609Dot2Data payload to be signed
v_toBeSignedData := valueof(p_securedMessage.content.signedData.tbsData);
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: v_toBeSignedData=", p_securedMessage.content.signedData.tbsData);
v_secPayload := bit2oct(encvalue(v_toBeSignedData));
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: v_secPayload=", v_secPayload);
// Verify payload
v_signedData := valueof(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP384r1Signature.rSig.x_only) & valueof(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP384r1Signature.sSig);
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: v_signedData=", v_signedData);
if (ischosen(p_publicKey.uncompressedP384)) {
v_result := f_verifyWithEcdsaBrainpoolp384r1WithSha384_1(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.uncompressedP384.x),
valueof(p_publicKey.uncompressedP384.y)
);
} else if (ischosen(p_publicKey.compressed_y_0)) {
v_result := f_verifyWithEcdsaBrainpoolp384r1WithSha384(
v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.compressed_y_0),
0
);
} else if (ischosen(p_publicKey.compressed_y_1)) {
v_result := f_verifyWithEcdsaBrainpoolp384r1WithSha384(
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v_secPayload,
valueof(p_certificateIssuer),
v_signedData,
valueof(p_publicKey.compressed_y_1),
1
);
}
log("f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1: v_result=", v_result);
return v_result;
} // End of function f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1
/**
* @desc Verify the signature of the provided secured message
* @param p_securedMessage
* @param p_certificate EtsiTs103097Certificate to be used to verify the message
* @return true on success, false otherwise
* @verdict
*/
function f_verifyGnSecuredMessageSignatureWithCertificate(
in template (value) Ieee1609Dot2Data p_securedMessage,
in template (value) charstring p_certificate_id,
in template (value) EtsiTs103097Certificate p_certificate
) return boolean {
var octetstring v_issuer;
var EtsiTs103097Certificate v_certificate;
log(">>> f_verifyGnSecuredMessageSignatureWithCertificate: p_securedMessage=", p_securedMessage);
log(">>> f_verifyGnSecuredMessageSignatureWithCertificate: p_certificate_id=", p_certificate_id);
log(">>> f_verifyGnSecuredMessageSignatureWithCertificate: p_certificate=", p_certificate);
if (f_getCertificateHash(valueof(p_certificate_id), v_issuer) == false) {
log("f_verifyCertificateSignatureWithPublicKey: Invalid certificate id: " & valueof(p_certificate_id));
return false;
}
if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP256r1Signature)) {
return f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP256r1(p_securedMessage, v_issuer, p_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP256r1);
} else if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaBrainpoolP384r1Signature)) {
return f_verifyGnSecuredMessageSignature_ecdsaBrainpoolP384r1(p_securedMessage, v_issuer, p_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP384r1);
} else if (ischosen(p_securedMessage.content.signedData.signature_.ecdsaNistP256Signature)) {
return f_verifyGnSecuredMessageSignature_ecdsaNistP256(p_securedMessage, v_issuer, p_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaNistP256);
}
return false;
} // End of function f_verifyGnSecuredOtherMessageWithDeviceCertificate
} // End of group deviceSignatureHelpers
group sspPermissions {
function f_verifySspPermissions(
in SequenceOfPsidSsp p_issuer_ssp_permissions,
in SequenceOfPsidSsp p_subordinate_ssp_permissions,
in boolean p_strict_checks := false
) return boolean {
// Local variables
var integer v_idx := 0;
log(">>> f_verifySspPermissions: p_issuer_ssp_permissions:", p_issuer_ssp_permissions);
log(">>> f_verifySspPermissions: p_subordinate_ssp_permissions: ", p_subordinate_ssp_permissions);
for (v_idx := 0; v_idx < lengthof(p_issuer_ssp_permissions); v_idx := v_idx + 1) {
var PsidSsp v_issuerPsidSsp := p_issuer_ssp_permissions[v_idx];
var PsidSsp v_subordinatePsidSsp;
var boolean v_found := false;
var integer v_jdx := 0;
log("f_verifySspPermissions: v_issuerPsidSsp: ", v_issuerPsidSsp);
// 1. Check permission from issuer is present
for (v_jdx := 0; v_jdx < lengthof(p_subordinate_ssp_permissions); v_jdx := v_jdx + 1) {
log("f_verifySspPermissions: match=", match(v_issuerPsidSsp, m_appPermissions(p_subordinate_ssp_permissions[v_jdx].psid, p_subordinate_ssp_permissions[v_jdx].ssp)));
// 1. Check the version
if (p_subordinate_ssp_permissions[v_jdx].ssp.bitmapSsp[0] != '01'O) {
log("f_verifySspPermissions: Wrong SSP version control (1 is expected): ", p_subordinate_ssp_permissions[v_jdx].ssp.bitmapSsp[0]);
return false;
}
// 2. Check the version
if (match(v_issuerPsidSsp, m_appPermissions(p_subordinate_ssp_permissions[v_jdx].psid, p_subordinate_ssp_permissions[v_jdx].ssp)) == true) {
v_subordinatePsidSsp := p_subordinate_ssp_permissions[v_jdx];
v_found := true;
break;
}
} // End of 'for' statement
if (v_found == false) {
log("f_verifySspPermissions: Permission set not found: ", v_issuerPsidSsp);
if (p_strict_checks == true) {
return false;
} else {
return true;
}
}
// 2. Validate bits mask
if (ispresent(v_issuerPsidSsp.ssp)) {
if (ispresent(v_subordinatePsidSsp.ssp) == false) {
log("f_verifySspPermissions: Ssp shall not be omitted: ", v_issuerPsidSsp);
if (p_strict_checks == true) {
return false;
}
}
if ((ischosen(v_issuerPsidSsp.ssp.bitmapSsp) == false) or (ischosen(v_subordinatePsidSsp.ssp.bitmapSsp) == false)) {
log("f_verifySspPermissions: Wrong variant : ", v_issuerPsidSsp, " / ", v_subordinatePsidSsp);
if (p_strict_checks == true) {
return false;
}
}
if (lengthof(v_issuerPsidSsp.ssp.bitmapSsp) < lengthof(v_subordinatePsidSsp.ssp.bitmapSsp)) {
log("f_verifySspPermissions: Ssp not be compliant: ", v_issuerPsidSsp.ssp, " / ", v_subordinatePsidSsp.ssp);
if (p_strict_checks == true) {
return false;
}
} else {
var charstring v_issuerSsp := bit2str(oct2bit(v_issuerPsidSsp.ssp.bitmapSsp));
var charstring v_subordinateSsp := bit2str(oct2bit(v_subordinatePsidSsp.ssp.bitmapSsp));
for (var integer i := 0; i < lengthof(v_issuerSsp); i := i + 1) {
if (v_issuerSsp[i] == "1") { // TODO How to check Permission using SspBitmask/SspValue
if (v_subordinateSsp[i] != "1") {
log("f_verifySspPermissions: Ssp bitmask mismatch at index: ", i);
return false;
}
} // else, no restriction, subordinate certificate can have any value.
} // End of 'for' statement
}
}
} // End of 'for' statement
return true;
} // End of function f_verifySspPermissions
} // End of group sspPermissions
group messageGetters {
/**
* @desc return Ieee1609Dot2Data header field of given type or null if none
* @param p_msg the Ieee1609Dot2Data
* @param p_type header field type
* @return HeaderInfo of given type if any or null
*/
function f_getMsgHeaderInfo(
in template(omit) Ieee1609Dot2Data p_securedMessage,
out HeaderInfo p_return
) return boolean {
var integer v_length;
var Ieee1609Dot2Data v_securedMessage;
if (not isvalue(p_securedMessage)) {
testcase.stop(__SCOPE__ & " can not handle omitted secured message values");
}
v_securedMessage := valueof(p_securedMessage);
if (ischosen(v_securedMessage.content.signedData)) {
p_return := v_securedMessage.content.signedData.tbsData.headerInfo;
return true;
}
log("f_getMsgHeaderField: return false");
return false;
}
/**
* @desc return SignerIdentifier Ieee1609Dot2Data field
*/
function f_getMsgSignerIdentifier (
in template(omit) Ieee1609Dot2Data p_securedMessage,
out SignerIdentifier p_signerIdentifier
) return boolean {
if (not isvalue(p_securedMessage)) {
testcase.stop(__SCOPE__ & " can not handle omitted secured message values");
}
if (ischosen(p_securedMessage.content.signedData)) {
p_signerIdentifier := valueof(p_securedMessage.content.signedData.signer);
return true;
}
log("f_getMsgSignerIdentifier: return false");
return false;
}
} // End of group messageGetters
group certificateGetters {
/**
* @desc Set the generation location as defined in Draft ETSI TS 103 097 V1.1.14 Clause 7.2 Security profile for DENMs
* @param p_latitude The latitude value of the ITS-S position
* @param p_longitude The longitude value of the ITS-S position
* @param p_elevation The elevation value of the ITS-S position
* @verdict Unchanged
*/
function f_setGenerationLocation(
in SecLatitude p_latitude,
in SecLongitude p_longitude,
in SecElevation p_elevation := 0
) runs on ItsSecurityBaseComponent {
vc_location := {
p_latitude,
p_longitude,
p_elevation
}
} // End of function f_setGenerationLocation
/**
* @desc Load in memory cache the certificates available
* @param p_configId A configuration identifier
* @remark This method SHALL be call before any usage of certificates
* @return true on success, false otherwise
*/
function f_loadCertificates(
in charstring p_configId
) runs on ItsSecurityBaseComponent return boolean {
var charstring v_certificate_id;
// Setup certificates memory cache
if (fx_loadCertificates(PX_CERTIFICATE_POOL_PATH, p_configId) == true) {
// Setup security component variables
if (f_readCertificate(PX_CERT_FOR_TS, vc_atCertificate) == true) {
var HashedId8 v_issuer;
// log("Issuer: ", vc_atCertificate.issuer);
if (ischosen(vc_atCertificate.issuer.sha256AndDigest)) {
v_issuer := vc_atCertificate.issuer.sha256AndDigest;
} else if (ischosen(vc_atCertificate.issuer.sha384AndDigest)) {
v_issuer := vc_atCertificate.issuer.sha384AndDigest;
} else {
log("AT certificate cannot be issued by CA");
return false;
}
log("Selected issuer: ", v_issuer);
if (f_getCertificateFromDigest(v_issuer, vc_aaCertificate, v_certificate_id)) {
if (f_readSigningKey(cc_taCert_A, vc_signingPrivateKey) == true) {
f_readEncryptingKey(cc_taCert_A, vc_encryptPrivateKey);
return true;
}
log("f_loadCertificates: Failed to load signing key for ", cc_taCert_A);
} else {
log("f_loadCertificates: Failed to load AA certificate for ", cc_taCert_A);
}
} else {
log("f_loadCertificates: Failed to load AT certificate for ", cc_taCert_A);
}
} else {
log("f_loadCertificates: Failed to load certificates from ", PX_CERTIFICATE_POOL_PATH);
}
return false;
} // End of function f_loadCertificates
/**
* @desc Unload from memory cache the certificates available
* @return true on success, false otherwise
*/
function f_unloadCertificates() runs on ItsSecurityBaseComponent return boolean {
// Reset security component variables
vc_signingPrivateKey := ''O;
vc_encryptPrivateKey := ''O;
// Clear certificates memory cache
return fx_unloadCertificates();
} // End of function f_unloadCertificates
/**
* @desc Read the specified certificate
* @param p_certificate_id the certificate identifier
* @param p_certificate the expected certificate
* @return true on success, false otherwise
*/
function f_readCertificate(
in charstring p_certificate_id,
out EtsiTs103097Certificate p_certificate
) return boolean {
var octetstring v_certificate;
if (fx_readCertificate(p_certificate_id, v_certificate) == true) {
var bitstring v_oct2bit;
var integer v_result;
v_oct2bit := oct2bit(v_certificate);
v_result := decvalue(v_oct2bit, p_certificate);
if (v_result == 0) {
return true;
}
}
log("f_readCertificate: Failed to retrieve ", p_certificate_id);
return false;
} // End of function f_readCertificate
/**
* @desc Read the specified certificate
* @param p_certificate_id the certificate identifier
* @param p_digest the digest of the certificate
* @return true on success, false otherwise
*/
function f_getCertificateDigest(
in charstring p_certificate_id,
out HashedId8 p_digest
) return boolean {
if (not fx_readCertificateDigest(p_certificate_id, p_digest)){
log("f_getCertificateDigest: Failed to retrieve digest for ", p_certificate_id);
return false;
}
return true;
} // End of function f_getCertificateDigest
/**
* @desc Read the whole-hash of the certificate
* @param p_certificate_id the certificate identifier
* @param p_hash the whole-hash of the certificate
* @return true on success, false otherwise
*/
function f_getCertificateHash(
in charstring p_certificate_id,
out octetstring p_hash
) return boolean {
log(">>> f_getCertificateHash: ", p_certificate_id);
if (not fx_readCertificateHash(p_certificate_id, p_hash)){
log("f_getCertificateHash: Failed to retrieve digest for ", p_certificate_id);
return false;
}
return true;
} // End of function f_getCertificateHash
/**
* @desc Read the whole-hash of the certificate SHA 256
* @param p_certificate_id the certificate identifier
* @param p_hash the whole-hash of the certificate using SHA 256
* @return true on success, false otherwise
*/
function f_getCertificateHash256(
in charstring p_certificate_id,
out Oct32 p_hash
) return boolean {
if (not fx_readCertificateHash256(p_certificate_id, p_hash)){
log("f_getCertificateHash256: Failed to retrieve digest for ", p_certificate_id);
return false;
}
return true;
} // End of function f_getCertificateHash256
function f_getCertificateFromDigest(
in HashedId8 p_digest,
out EtsiTs103097Certificate p_certificate,
out charstring p_certificate_id
) return boolean {
if (not(fx_readCertificateFromDigest(p_digest, p_certificate_id))) {
log("f_getCertificateFromDigest: Failed to retrieve digest for ", p_digest);
return false;
}
if (not(f_readCertificate(p_certificate_id, p_certificate))) {
log("f_getCertificateFromDigest: Failed to retrieve digest for ", p_certificate_id);
return false;
}
return true;
} // End of function f_getCertificateFromDigest
function f_getCertificateFromHashedId3(
in HashedId3 p_digest,
out EtsiTs103097Certificate p_certificate
) return boolean {
var charstring v_certificate_id;
if (not(fx_readCertificateFromHashedId3(p_digest, v_certificate_id))) {
log("f_getCertificateFromHashedId3: Failed to retrieve digest for ", p_digest);
return false;
}
if (not(f_readCertificate(v_certificate_id, p_certificate))) {
log("f_getCertificateFromHashedId3: Failed to retrieve digest for ", v_certificate_id);
return false;
}
return true;
} // End of function f_getCertificateFromHashedId3
/**
* @desc Read the signing private key for the specified certificate
* @param p_keysId the keys identifier
* @param p_signingPrivateKey the signing private key
* @return true on success, false otherwise
*/
function f_readSigningKey(
in charstring p_keysId,
out Oct32 p_signingPrivateKey
) return boolean {
return fx_readSigningKey(p_keysId, p_signingPrivateKey);
} // End of function f_readSigningKey
/**
* @desc Read the encrypting private keys for the specified certificate
* @param p_keysId the keys identifier
* @param p_encryptPrivateKey the encrypt private key
* @return true on success, false otherwise
*/
function f_readEncryptingKey(
in charstring p_keysId,
out Oct32 p_encryptPrivateKey
) return boolean {
return fx_readEncryptingKey(p_keysId, p_encryptPrivateKey);
} // End of function f_readEncryptingKey
function f_getCertificateValidityRestriction(
in template (value) EtsiTs103097Certificate p_cert,
out template (value) ValidityPeriod p_validityPeriod,
out template (omit) GeographicRegion p_geographicRegion
) return boolean {
p_validityPeriod := valueof(p_cert.toBeSigned.validityPeriod);
if (ispresent(p_cert.toBeSigned.region)) {
p_geographicRegion := valueof(p_cert.toBeSigned.region);
} else {
p_geographicRegion := omit;
}
return true;
} // End of function f_getCertificateValidityRestriction
}// End of group certificateGetters
group certificatesCaching {
function f_createCertificatesCaching(
in SequenceOfCertificate p_certificates,
out CertificatesCaching p_certificatesCaching
) return boolean {
p_certificatesCaching := { };
for (var integer v_counter := 0; v_counter < lengthof(p_certificates); v_counter := v_counter + 1) {
var CertificatesCachingItem v_item;
v_item.certificate := p_certificates[v_counter];
v_item.hashedId8 := f_calculateDigestSha256FromCertificate(v_item.certificate);
p_certificatesCaching[v_counter] := v_item;
} // End of 'for' statement
return true;
}
function f_getCertificateFromCaching(
in CertificatesCaching p_certificatesCaching,
in HashedId8 p_hashedId8,
out EtsiTs103097Certificate p_certificate
) return boolean {
for (var integer v_counter := 0; v_counter < lengthof(p_certificatesCaching); v_counter := v_counter + 1) {
if (match(p_certificatesCaching[v_counter].hashedId8, p_hashedId8) == true) {
p_certificate := p_certificatesCaching[v_counter].certificate;
return true;
}
} // End of 'for' statement
return false;
}
function f_getCertificatesCachingItem(
in CertificatesCaching p_certificatesCaching,
in UInt8 p_index,
out EtsiTs103097Certificate p_certificate
) return boolean {
if (lengthof(p_certificatesCaching) < p_index) {
p_certificate := p_certificatesCaching[p_index].certificate;
return true;
}
return false;
}
function f_getCertificatesCachingItemSize(
in CertificatesCaching p_certificatesCaching
) return UInt8 {
return lengthof(p_certificatesCaching);
}
}// End of group certificatesCaching
} // End of group helpersFunctions
group externalFunctions {
group signing {
/**
* @desc Produces a 256-bit (32-byte) hash value
* @param p_toBeHashedData Data to be used to calculate the hash value
* @return The hash value
*/
external function fx_hashWithSha256(in octetstring p_toBeHashedData) return Oct32;
/**
* @desc Produces a 384-bit (48-byte) hash value
* @param p_toBeHashedData Data to be used to calculate the hash value
* @return The hash value
*/
external function fx_hashWithSha384(in octetstring p_toBeHashedData) return Oct48;
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
* @param p_toBeSignedSecuredMessage The data to be signed
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_privateKey The private key
* @return The signature value
*/
external function fx_signWithEcdsaNistp256WithSha256(in octetstring p_toBeSignedSecuredMessage, in Oct32 p_certificateIssuer, in Oct32 p_privateKey) return octetstring;
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
* @param p_toBeSignedSecuredMessage The data to be signed
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_privateKey The private key for signature
* @return The signature value
*/
external function fx_signWithEcdsaBrainpoolp256r1WithSha256(in octetstring p_toBeSignedSecuredMessage, in Oct32 p_certificateIssuer, in Oct32 p_privateKey) return octetstring;
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_privateKey The private key for signature
* @return The signature value
*/
external function fx_signWithEcdsaBrainpoolp384r1WithSha384(in octetstring p_toBeSignedSecuredMessage, in Oct48 p_certificateIssuer, in Oct48 p_privateKey) return octetstring;
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/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaNistp256PublicKeyCompressed The compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaNistp256WithSha256(in octetstring p_toBeVerifiedData, in Oct32 p_certificateIssuer, in octetstring p_signature, in Oct32 p_ecdsaNistp256PublicKeyCompressed, in integer p_compressed_mode) return boolean;
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaNistp256PublicKeyX The public key (x coordinate)
* @param p_ecdsaNistp256PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaNistp256WithSha256_1(in octetstring p_toBeVerifiedData, in Oct32 p_certificateIssuer, in Oct64 p_signature, in Oct32 p_ecdsaNistp256PublicKeyX, in Oct32 p_ecdsaNistp256PublicKeyY) return boolean;
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* @param p_signature The signature
* @param p_ecdsaBrainpoolp256PublicKeyCompressed The compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaBrainpoolp256r1WithSha256(in octetstring p_toBeVerifiedData, in Oct32 p_certificateIssuer, in Oct64 p_signature, in Oct32 p_ecdsaBrainpoolp256PublicKeyCompressed, in integer p_compressed_mode) return boolean;
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The certificate issuer
* @param p_signature The signature
* @param p_ecdsaBrainpoolp256PublicKeyX The public key (x coordinate)
* @param p_ecdsaBrainpoolp256PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaBrainpoolp256r1WithSha256_1(in octetstring p_toBeVerifiedData, in Oct32 p_certificateIssuer, in Oct64 p_signature, in Oct32 p_ecdsaBrainpoolp256PublicKeyX, in Oct32 p_ecdsaBrainpoolp256PublicKeyY) return boolean;
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The certificate issuer
* @param p_signature The signature
* @param p_ecdsaBrainpoolp384PublicKeyCompressed The compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaBrainpoolp384r1WithSha384(in octetstring p_toBeVerifiedData, in Oct48 p_certificateIssuer, in Oct96 p_signature, in Oct48 p_ecdsaBrainpoolp384PublicKeyCompressed, in integer p_compressed_mode) return boolean;
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_certificateIssuer The hash of the canonical certificate issuer
* @param p_signature The signature
* @param p_ecdsaBrainpoolp384PublicKeyX The public key (x coordinate)
* @param p_ecdsaBrainpoolp384PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaBrainpoolp384r1WithSha384_1(in octetstring p_toBeVerifiedData, in Oct48 p_certificateIssuer, in Oct96 p_signature, in Oct48 p_ecdsaBrainpoolp384PublicKeyX, in Oct48 p_ecdsaBrainpoolp384PublicKeyY) return boolean;
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/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @param p_publicKeyCompressed The compressed public keys
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
external function fx_generateKeyPair_nistp256(out Oct32 p_privateKey, out Oct32 p_publicKeyX, out Oct32 p_publicKeyY, out Oct32 p_publicKeyCompressed, out integer p_compressed_mode) return boolean;
/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @param p_publicKeyCompressed The compressed public keys
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
external function fx_generateKeyPair_brainpoolp256r1(out Oct32 p_privateKey, out Oct32 p_publicKeyX, out Oct32 p_publicKeyY, out Oct32 p_publicKeyCompressed, out integer p_compressed_mode) return boolean;
/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @param p_publicKeyCompressed The compressed public keys
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @return true on success, false otherwise
*/
external function fx_generateKeyPair_brainpoolp384r1(out Oct48 p_privateKey, out Oct48 p_publicKeyX, out Oct48 p_publicKeyY, out Oct48 p_publicKeyCompressed, out integer p_compressed_mode) return boolean;
} // End of group signing
group encryption {
external function fx_hmac_sha256(in octetstring p_k, in octetstring p_m) return octetstring;
/**
* @desc This function validates AES128 CCM encryption based on IEEE Std 1609.2-20XX Annex D.6.1 AES-CCM-128
* @param[in] The symmetric AES 128 encryption key
* @param[in] The initial vector (aka nonce)
* @param[in] The raw payload
* @return The encrypted payload
*/
external function fx_encrypt_aes_128_ccm_test(in octetstring p_k, in octetstring p_n, in octetstring p_pt) return octetstring;
/**
* @desc TThis function validates AES128 CCM encryption based on AES-GCM-256
* @param[in] The symmetric AES 128 encryption key
* @param[in] The initial vector (aka nonce)
* @param[in] The raw payload
* @return The encrypted payload
*/
external function fx_encrypt_aes_128_gcm_test(in octetstring p_k, in octetstring p_n, in octetstring p_pt) return octetstring;
/**
* @desc This function validates AES128 CCM decryption based on IEEE Std 1609.2-20XX Annex D.6.1 AES-CCM-128
* @param[in] The symmetric AES 128 encryption key
* @param[in] The initial vector (aka nonce)
* @param[in] The cyphered payload
* @return The raw payload
*/
external function fx_decrypt_aes_128_ccm_test(in octetstring p_k, in octetstring p_n, in octetstring p_pt) return octetstring;
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) encryption using Nist-P256 algorithm
* @param p_toBeEncryptedSecuredMessage The data to be encrypted
* @param p_recipientsPublicKeyCompressed The Recipient's compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The encrypted message
*/
external function fx_encryptWithEciesNistp256WithSha256(in octetstring p_toBeEncryptedSecuredMessage, in Oct32 p_recipientsPublicKeyCompressed, in integer p_compressed_mode, in octetstring p_salt, out Oct32 p_publicEphemeralKeyCompressed, out integer p_ephemeralKeyModeCompressed, out Oct16 p_aes_sym_key, out Oct16 p_encrypted_sym_key, out Oct16 p_authentication_vector, out Oct12 p_nonce) return octetstring;
external function fx_test_encryptWithEciesNistp256WithSha256(in octetstring p_toBeEncryptedSecuredMessage, in Oct32 p_privateEphemeralKey, in Oct32 p_recipientPublicKeyX, in Oct32 p_recipientPublicKeyY, in octetstring p_salt, out Oct32 p_publicEphemeralKeyX, out Oct32 p_publicEphemeralKeyY, out Oct16 p_aes_sym_key, out Oct16 p_encrypted_sym_key, out Oct16 p_authentication_vector, out Oct12 p_nonce) return octetstring;
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) decryption using Nist-P256 algorithm
* @param p_encryptedSecuredMessage The data to be decrypted
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The decrypted message
*/
external function fx_decryptWithEciesNistp256WithSha256(in octetstring p_encryptedSecuredMessage, in Oct32 p_privateEncKey, in Oct32 p_publicEphemeralKeyCompressed, in integer p_ephemeralKeyModeCompressed, in Oct16 p_encrypted_sym_key, in Oct16 p_authentication_vector, in Oct12 p_nonce, in Oct32 p_salt, out Oct16 p_aes_sym_enc_key) return octetstring;
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) encryption using Brainpool-P256 algorithm
* @param p_toBeEncryptedSecuredMessage The data to be encrypted
* @param p_recipientsPublicKeyCompressed The Recipient's compressed public key
* @param p_compressed_mode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The encrypted message
*/
external function fx_encryptWithEciesBrainpoolp256r1WithSha256(in octetstring p_toBeEncryptedSecuredMessage, in Oct32 p_recipientsPublicKeyCompressed, in integer p_compressed_mode, in octetstring p_salt, out Oct32 p_publicEphemeralKeyCompressed, out integer p_ephemeralKeyModeCompressed, out Oct16 p_aes_sym_key, out Oct16 p_encrypted_sym_key, out Oct16 p_authentication_vector, out Oct12 p_nonce) return octetstring;
external function fx_test_encryptWithEciesBrainpoolp256r1WithSha256(in octetstring p_toBeEncryptedSecuredMessage, in Oct32 p_privateEphemeralKey, in Oct32 p_recipientPublicKeyX, in Oct32 p_recipientPublicKeyY, in octetstring p_salt, out Oct32 p_publicEphemeralKeyX, out Oct32 p_publicEphemeralKeyY, out Oct16 p_aes_sym_key, out Oct16 p_encrypted_sym_key, out Oct16 p_authentication_vector, out Oct12 p_nonce) return octetstring;
/**
* @desc Produces a Elliptic Curve Digital Encrytion Algorithm (ECIES) decryption using Brainpool-P256 algorithm
* @param p_encryptedSecuredMessage The data to be decrypted
* @param p_publicEphemeralKeyCompressed The generated ephemeral compressed key
* @param p_ephemeralKeyModeCompressed The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* @param p_encrypted_sym_key The encrypted AES 128 CCM symmetric key
* @param p_authentication_vector The tag of the AES 128 CCM symmetric key encryption
* @param p_nonce The nonce vector of the AES 128 CCM symmetric key encryption
* @return The decrypted message
*/
external function fx_decryptWithEciesBrainpoolp256r1WithSha256(in octetstring p_encryptedSecuredMessage, in Oct32 p_privateEncKey, in Oct32 p_publicEphemeralKeyCompressed, in integer p_ephemeralKeyModeCompressed, in Oct16 p_encrypted_sym_key, in Oct16 p_authentication_vector, in Oct12 p_nonce, in Oct32 p_salt, out Oct16 p_aes_sym_enc_key) return octetstring;
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} // End of group encryption
group certificatesLoader {
/**
* @desc Load in memory cache the certificates available in the specified directory
* @param p_rootDirectory Root directory to access to the certificates identified by the certificate ID
* @param p_configId A configuration identifier
* @remark This method SHALL be call before any usage of certificates
* @return true on success, false otherwise
*/
external function fx_loadCertificates(in charstring p_rootDirectory, in charstring p_configId) return boolean;
external function fx_store_certificate(in charstring p_cert_id, in octetstring p_cert, in octetstring p_private_key, in octetstring p_public_key_x, in octetstring p_public_key_y, in octetstring p_public_key_compressed, in integer p_public_key_compressed_mode, in octetstring p_hash, in octetstring p_hash_256, in octetstring p_hashid8, in octetstring p_issuer, in template (omit) octetstring p_private_enc_key, in template (omit) octetstring p_public_enc_key_x, in template (omit) octetstring p_public_enc_key_y, in template (omit) octetstring p_public_enc_compressed_key, in template (omit) integer p_public_enc_key_compressed_mode) return boolean;
/**
* @desc Unload from memory cache the certificates
* @return true on success, false otherwise
*/
external function fx_unloadCertificates() return boolean;
/**
* @desc Read the specified certificate
* @param p_certificate_id the certificate identifier
* @param p_certificate the expected certificate
* @return true on success, false otherwise
*/
external function fx_readCertificate(in charstring p_certificate_id, out octetstring p_certificate) return boolean;
/**
* @desc Read the specified certificate digest
* @param p_certificate_id the certificate identifier
* @param p_digest the expected certificate
* @return true on success, false otherwise
*/
external function fx_readCertificateDigest(in charstring p_certificate_id, out HashedId8 p_digest) return boolean;
/**
* @desc Read the whole-hash of the specified certificate
* @param p_certificate_id the certificate identifier
* @param p_hash the whole-hash of the certificate
* @return true on success, false otherwise
*/
external function fx_readCertificateHash(in charstring p_certificate_id, out octetstring p_hash) return boolean;
/**
* @desc Read the whole-hash of the specified certificate using SHA 256
* @param p_certificate_id the certificate identifier
* @param p_hash the whole-hash of the certificate
* @return true on success, false otherwise
*/
external function fx_readCertificateHash256(in charstring p_certificate_id, out Oct32 p_hash) return boolean;
external function fx_readCertificateFromDigest(in HashedId8 p_digest, out charstring p_certificate_id) return boolean;
external function fx_readCertificateFromHashedId3(in HashedId3 p_digest, out charstring p_certificate_id) return boolean;
/**
* @desc Read the private keys for the specified certificate
* @param p_keysId the keys identifier
* @param p_signingPrivateKey the signing private key
* @return true on success, false otherwise
*/
external function fx_readSigningKey(in charstring p_keysId, out Oct32 p_signingPrivateKey) return boolean;
/**
* @desc Read the private keys for the specified certificate
* @param p_keysId the keys identifier
* @param p_encryptPrivateKey the encrypt private key
* @return true on success, false otherwise
*/
external function fx_readEncryptingKey(in charstring p_keysId, out Oct32 p_encryptingPrivateKey) return boolean;
} // End of group certificatesLoader
group geodesic {
/**
* @desc Check that given polygon doesn't have neither self-intersections nor holes.
* @param p_region Polygonal Region
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isValidPolygonalRegion(in PolygonalRegion p_region) return boolean;
/**
* @desc Check if a polygonal region is inside another one
* @param p_parent The main polygonal region
* @param p_region The polygonal region to be included
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isPolygonalRegionInside(in PolygonalRegion p_parent, in PolygonalRegion p_region) return boolean;
/**
* @desc Check that the location is inside a circular region
* @param p_region The circular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideCircularRegion(in CircularRegion p_region, in ThreeDLocation p_location) return boolean;
/**
* @desc Check that the location is inside a rectangular region
* @param p_region The rectangular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideRectangularRegion(in SequenceOfRectangularRegion p_region, in ThreeDLocation p_location) return boolean;
/**
* @desc Check that the location is inside a polygonal region
* @param p_region The polygonal region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsidePolygonalRegion(in PolygonalRegion p_region, in ThreeDLocation p_location) return boolean;
/**
* @desc Check if the location is inside an identified region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideIdentifiedRegion(in IdentifiedRegion p_region, in ThreeDLocation p_location) return boolean;
/**
* @desc Check if the location is inside an undefined region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideOtherRegion(in octetstring p_region, in ThreeDLocation p_location) return boolean;
/**
* @desc Check that p_circular_region_1 circular region is included into p_circular_region_2 circular region
* @param p_circular_region_1 Circular region 1
* @param p_circular_region_2 Circular region 2
*
* @return true on success, false otherwise
*/
external function fx_areCirclesInside(in CircularRegion p_circular_region_1, in CircularRegion p_circular_region_2) return boolean;
/**
* @desc Check that p_rectanglar_region_1 rectangular region is included into p_rectanglar_region_2 rectangular region
* @param p_rectanglar_region_1 Rectangular region 1
* @param p_rectanglar_region_2 Rectangular region 2
*
* @return true on success, false otherwise
*/
external function fx_areRectanglesInside(in SequenceOfRectangularRegion p_rectanglar_region_1, in SequenceOfRectangularRegion p_rectanglar_region_2) return boolean;
/**
* @desc Check that p_polygonal_region_1 polygonal region is included into p_polygonal_region_2 polygonal region
* @param p_polygonal_region_1 Polygonal region 1
* @param p_polygonal_region_2 Polygonal region 2
*
* @return true on success, false otherwise
*/
external function fx_arePolygonsInside(in PolygonalRegion p_polygonal_region_1, in PolygonalRegion p_polygonal_region_2) return boolean;
/**
* @desc Convert a spacial coordinate from DMS to Dms
* @param p_degrees The degrees (D)
* @param p_minutes The minutes (M)
* @param p_seconds The seconds (S)
* @param p_latlon The latitude/longitude: (N|S|E|W)
* @return The decimal coordinate on success, 0.0, otherwise
* @verdict Unchanged
*/
external function fx_dms2dd(in Int p_degrees, in Int p_minutes, in float p_seconds, in Oct1 p_latlon) return float;
} // End of group geodesic
} // End of group externalFunctions
group geometryFunctions {
function f_checkRegionValidityRestiction(
in EtsiTs103097Certificate p_cert,
in EtsiTs103097Certificate p_cert_issuer
) return boolean {
var ValidityPeriod v_cert_region, v_cert_issuer_region;
var boolean v_cert_issuer_region_result;
/* FIXME To be reviewed v_cert_issuer_region_result := f_getCertificateValidityRestriction(p_cert_issuer, e_region, v_cert_issuer_region);
if (f_getCertificateValidityRestriction(p_cert, e_region, v_cert_region) == false) {
if (v_cert_issuer_region_result == true) {
if (v_cert_issuer_region.validity.region.region_type != e_none) {
return false;
}
}
} else if (
(v_cert_issuer_region_result == true) and
(v_cert_issuer_region.validity.region.region_type != e_none)
) {
if (v_cert_region.validity.region.region_type == e_circle) {
if (v_cert_issuer_region.validity.region.region_type == e_circle) {
// Check v_cert_region 'circle' is inside v_cert_issuer_region 'circle'
if (f_areCirclesInside(v_cert_region.validity.region.region.circular_region, v_cert_issuer_region.validity.region.region.circular_region) == false) {
log("*** " & testcasename() & ": FAIL: Issuer and issuing certificates circle area does not match ***");
return false;
}
}
} else if (v_cert_region.validity.region.region_type == e_rectangle) {
if (v_cert_issuer_region.validity.region.region_type == e_rectangle) {
// Check v_cert_region 'rectangle' is inside v_cert_issuer_region 'rectangle'
if (f_areRectanglesInside(v_cert_region.validity.region.region.rectangular_region, v_cert_issuer_region.validity.region.region.rectangular_region) == false) {
log("*** " & testcasename() & ": FAIL: Issuer and issuing certificates rectangle area does not match ***");
return false;
}
}
} else if (v_cert_region.validity.region.region_type == e_polygon) {
if (v_cert_issuer_region.validity.region.region_type == e_polygon) {
// Check v_cert_region 'polygon' is inside v_cert_issuer_region 'polygon'
if (f_arePolygonsInside(v_cert_region.validity.region.region.polygonal_region, v_cert_issuer_region.validity.region.region.polygonal_region) == false) {
log("*** " & testcasename() & ": FAIL: Issuer and issuing certificates polygon area does not match ***");
return false;
}
}
} else if (v_cert_region.validity.region.region_type == e_id) {
// Check id_region
if (not match (v_cert_region.validity.region, mw_geographicRegion_identified(mw_identifiedRegion_iso3166_any))) {
log("*** " & testcasename() & ": FAIL: Identified region is not conformed to ISO 3166-1 ***");
return false;
}
if (not match (v_cert_region.validity.region, mw_geographicRegion_identified(mw_identifiedRegion_un_stats_any))) {
log("*** " & testcasename() & ": FAIL: Identified region is not conformed to United Nations Statistics Division ***");
return false;
}
// Check region_dictionary
if (not match (v_cert_region.validity.region.region.id_region.region_dictionary, v_cert_issuer_region.validity.region.region.id_region.region_dictionary)) {
log("*** " & testcasename() & ": FAIL: Issuer and issuing 'region_dictionary' field does not match ***");
return false;
}
// Check region_identifier
if (not match (v_cert_region.validity.region.region.id_region.region_identifier, v_cert_issuer_region.validity.region.region.id_region.region_identifier)) {
log("*** " & testcasename() & ": FAIL: Issuer and issuing 'region_identifier' field does not match ***");
return false;
}
// Check local_region
if (
(not match (v_cert_issuer_region.validity.region.region.id_region.local_region, v_cert_region.validity.region.region.id_region.local_region)) or
(not match (v_cert_issuer_region.validity.region.region.id_region.local_region, 0))
) {
log("*** " & testcasename() & ": FAIL: Issuer and issuing 'local_region' field does not match ***");
return false;
}
}
}*/
return true;
} // End of function f_checkRegionValidityRestiction
/**
* @desc Check that p_circular_region_1 circular region is included into p_circular_region_2 circular region
* @param p_circular_region_1 Circular region 1
* @param p_circular_region_2 Circular region 2
*
* @return true on success, false otherwise
*/
function f_areCirclesInside(
in CircularRegion p_circular_region_1,
in CircularRegion p_circular_region_2
) return boolean {
return fx_areCirclesInside(p_circular_region_1, p_circular_region_2);
}
/**
* @desc Check that p_rectanglar_region_1 rectangular region is included into p_rectanglar_region_2 rectangular region
* @param p_rectanglar_region_1 Rectangular region 1
* @param p_rectanglar_region_2 Rectangular region 2
*
* @return true on success, false otherwise
*/
function f_areRectanglesInside(
in SequenceOfRectangularRegion p_rectanglar_region_1,
in SequenceOfRectangularRegion p_rectanglar_region_2
) return boolean {
return fx_areRectanglesInside(p_rectanglar_region_1, p_rectanglar_region_2);
}
/**
* @desc Check that p_polygonal_region_1 polygonal region is included into p_polygonal_region_2 polygonal region
* @param p_polygonal_region_1 Polygonal region 1
* @param p_polygonal_region_2 Polygonal region 2
*
* @return true on success, false otherwise
*/
function f_arePolygonsInside(
in PolygonalRegion p_polygonal_region_1,
in PolygonalRegion p_polygonal_region_2
) return boolean {
return fx_arePolygonsInside(p_polygonal_region_1, p_polygonal_region_2);
}
/**
* @desc Check that given location is valid
* @param p_location location to be checked
* @return true on success, false otherwise
*/
function f_isValidTwoDLocation(
in template (value) TwoDLocation p_location
) return boolean {
return
//FIXME RGY Titan doesn't support dot notation after valueof at the moment
// (valueof(p_location).longitude != c_maxLongitude + 1) and
// (valueof(p_location).latitude != c_maxLatitude + 1);
(valueof(p_location.longitude) != c_maxLongitude + 1) and
(valueof(p_location.latitude) != c_maxLatitude + 1);
} // End of function f_isValidTwoDLocation
/**
* @desc Check that two given rectanlular regions are intersected
* Note: Regions must be normalized(northWest.latitude >= southEast.latitude)
* @param p_r1 Region 1
* @param p_r2 Region 2
*
* @return true on success, false otherwise
*/
function f_isRectangularRegionsIntersected(
in template (value) RectangularRegion p_r1,
in template (value) RectangularRegion p_r2
) return boolean {
return not (
//FIXME RGY Titan doesn't support dot notation after valueof at the moment
// valueof(p_r2).northWest.longitude > valueof(p_r1).southEast.longitude or
// valueof(p_r2).southEast.longitude < valueof(p_r1).northWest.longitude or
// valueof(p_r2).southEast.latitude > valueof(p_r1).northWest.latitude or
// valueof(p_r2).northWest.latitude < valueof(p_r1).southEast.latitude
valueof(p_r2.northWest.longitude) > valueof(p_r1.southEast.longitude) or
valueof(p_r2.southEast.longitude) < valueof(p_r1.northWest.longitude) or
valueof(p_r2.southEast.latitude) > valueof(p_r1.northWest.latitude) or
valueof(p_r2.northWest.latitude) < valueof(p_r1.southEast.latitude)
);
} // End of function f_isRectangularRegionsIntersected
function f_isContinuousRectangularRegions(
in template (value) SequenceOfRectangularRegion p_region
) return boolean {
var integer v_i, v_j;
var boolean v_found;
for (v_i := 0; v_i < lengthof(p_region); v_i := v_i + 1) {
var PolygonalRegion v_region_base;
f_convertRectangularRegionIntoPolygonalRegion(valueof(p_region[v_i]), v_region_base);
v_found := false;
for (v_j := 0; v_j < lengthof(p_region); v_j := v_j + 1) {
if (v_j != v_i) {
var PolygonalRegion v_region;
f_convertRectangularRegionIntoPolygonalRegion(valueof(p_region[v_j]), v_region);
if (f_isPolygonalRegionInside(v_region, v_region_base) == true) {
v_found := true;
}
}
} // End of 'for' statement
if (v_found == false) {
return false;
}
} // End of 'for' statement
return true;
} // End of function f_isContinuousRectangularRegions
/**
* @desc Check if a polygonal region is inside another one
* @param p_parent The main polygonal region
* @param p_region The polygonal region to be included
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isRectangularRegionsInside(
in template (value) SequenceOfRectangularRegion p_parent,
in template (value) SequenceOfRectangularRegion p_region
) return boolean {
var integer v_i, v_j;
for (v_i := 0; v_i < lengthof(p_parent); v_i := v_i + 1) {
var PolygonalRegion v_region_parent, v_region;
f_convertRectangularRegionIntoPolygonalRegion(valueof(p_parent[v_i]), v_region_parent);
for (v_j := 0; v_j < lengthof(p_parent); v_j := v_j + 1) {
f_convertRectangularRegionIntoPolygonalRegion(valueof(p_region[v_j]), v_region);
if (f_isPolygonalRegionInside(v_region, v_region_parent) == true) {
return true;
}
} // End of 'for' statement
} // End of 'for' statement
return false;
} // End of function f_isRectangularRegionsInside
/**
* @desc Convert a rectangular region into a polygonal region
* @param p_region The rectangular regions to convert
* @return
* @verdict
*/
function f_convertRectangularRegionIntoPolygonalRegion(
in template (value) RectangularRegion p_rectangular_region,
out PolygonalRegion p_region
) return boolean {
// Convert rectangular regions to polygons and check polygons
p_region[0] := valueof(p_rectangular_region.northWest);
p_region[1] := {
valueof(p_rectangular_region.northWest.latitude) + valueof(p_rectangular_region.southEast.latitude),
valueof(p_rectangular_region.northWest.longitude)
};
p_region[2] := valueof(p_rectangular_region.southEast);
p_region[3] := {
valueof(p_rectangular_region.northWest.latitude),
valueof(p_rectangular_region.northWest.longitude) + valueof(p_rectangular_region.southEast.longitude)
};
log("f_convertRectangularRegionIntoPolygonalRegion: DEBUG: Northwest location is invalid in rect ", p_region);
return true;
} // End of function
/**
* @desc Check that given polygon doesn't have neither self-intersections nor holes.
* @param p_region Polygonal Region
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isValidPolygonalRegion(
in template (value) PolygonalRegion p_region
) return boolean {
// Sanity check
if (not isbound(p_region) or (lengthof(p_region) == 0)) {
return false;
}
return fx_isValidPolygonalRegion(valueof(p_region));
} // End of function f_isValidPolygonalRegion
/**
* @desc Check if a polygonal region is inside another one
* @param p_parent The main polygonal region
* @param p_region The polygonal region to be included
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isPolygonalRegionInside(
in template (value) PolygonalRegion p_parent,
in template (value) PolygonalRegion p_region
) return boolean {
// Sanity check
if (not isbound(p_parent) or not isbound(p_region) or (lengthof(p_parent) == 0) or (lengthof(p_region) == 0)) {
return false;
}
return fx_isPolygonalRegionInside(valueof(p_parent), valueof(p_region));
} // End of function f_isPolygonalRegionInside
/**
* @desc
*/
function f_isIdentifiedRegionInside(
in template (value) UInt16 p_parent,
in template (value) UInt16 p_region
) return boolean {
return valueof(p_parent) == valueof(p_region);
} // End of function f_isIdentifiedRegionInside
/**
* @desc Check that the location is inside a region
* @param p_region The region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideRegion(
in template (value) GeographicRegion p_region,
in template (value) ThreeDLocation p_location
) return boolean {
var boolean v_ret := false;
if (ischosen(p_region.circularRegion)) {
v_ret := f_isLocationInsideCircularRegion(valueof(p_region.circularRegion), p_location);
} else if (ischosen(p_region.rectangularRegion)) {
v_ret := f_isLocationInsideRectangularRegion(valueof(p_region.rectangularRegion), p_location);
} else if (ischosen(p_region.polygonalRegion)) {
v_ret := f_isLocationInsidePolygonalRegion(valueof(p_region.polygonalRegion), p_location);
} else if (ischosen(p_region.identifiedRegion)) {
for (var integer v_i := 0; v_i < lengthof(p_region.identifiedRegion); v_i := v_i + 1) {
if (f_isLocationInsideIdentifiedRegion(valueof(p_region.identifiedRegion[v_i]), p_location) == true) {
v_ret := true;
break;
}
} // End of 'for' statement
}
return v_ret;
} // End of function f_isLocationInsideRegion
/**
* @desc Check that the location is inside a circular region
* @param p_region The circular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideCircularRegion(
in template (value) CircularRegion p_region,
in template (value) ThreeDLocation p_location
) return boolean {
// Sanity check
if (not isbound(p_region) or not isbound(p_location)) {
return false;
}
return fx_isLocationInsideCircularRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideCircularRegion
/**
* @desc Check that the location is inside a rectangular region
* @param p_region The rectangular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideRectangularRegion(
in template (value) SequenceOfRectangularRegion p_region,
in template (value) ThreeDLocation p_location
) return boolean {
// Sanity check
if (not isbound(p_region) or not isbound(p_location) or (lengthof(p_region) == 0)) {
return false;
}
// log("f_isLocationInsideRectangularRegion: p_polygonalArea: ", p_region);
// log("f_isLocationInsideRectangularRegion: p_location: ", p_location);
return fx_isLocationInsideRectangularRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideRectangularRegion
/**
* @desc Check that the location is inside a polygonal region
* @param p_region The polygonal region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsidePolygonalRegion(
in template (value) PolygonalRegion p_region,
in template (value) ThreeDLocation p_location
) return boolean {
// Sanity check
if (not isbound(p_region) or not isbound(p_location) or (lengthof(p_region) == 0)) {
return false;
}
// log("f_isLocationInsidePolygonalRegion: p_polygonalArea: ", p_region, " - ", valueof(p_region));
// log("f_isLocationInsidePolygonalRegion: p_location: ", p_location, " - ", valueof(p_location));
return fx_isLocationInsidePolygonalRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsidePolygonalRegion
/**
* @desc Check if the location is inside an identified region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideIdentifiedRegion(
in template (value) IdentifiedRegion p_region,
in template (value) ThreeDLocation p_location
) return boolean {
// Sanity check
if (not isbound(p_region) or not isbound(p_location)) {
return false;
}
return fx_isLocationInsideIdentifiedRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideIdentifiedRegion
/**
* @desc Check if the location is inside an undefined region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideOtherRegion(
in template (value) octetstring p_region,
in template (value) ThreeDLocation p_location
) return boolean {
// Sanity check
if (valueof(p_region) == ''O) {
return false;
}
return fx_isLocationInsideOtherRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideOtherRegion
/**
* @desc Convert a spacial coordinate from DMS to Dms
* @param p_degrees The degrees (D)
* @param p_minutes The minutes (M)
* @param p_seconds The seconds (S)
* @param p_latlon The latitude/longitude: (N|S|E|W)
* @return The decimal coordinate on success, 0.0, otherwise
* @verdict Unchanged
*/
function f_dms2dd(
in integer p_degrees,
in integer p_minutes,
in float p_seconds,
in charstring p_latlon
) return float {
var Oct1 v_latlon;
// Sanity checks
if (lengthof(p_latlon) != 1) {
return 0.0;
} else if ((p_latlon != "N") and (p_latlon != "S") and (p_latlon != "E") and (p_latlon != "W")) {
return 0.0;
}
v_latlon := char2oct(p_latlon);
return fx_dms2dd(p_degrees, p_minutes, p_seconds, v_latlon);
} // End of function f_dms2dd
/**
* @desc Convert the latitude from float to int
* @param p_latitude The latitude to be converted. Significand length shall be 7 digits length
* @return The converted latitude
* @verdict Unchanged
*/
function f_ddlat2int(
in float p_latitude
) return SecLatitude {
return float2int(p_latitude * 10000000.0); // Significand length shall be 7 digits length
}
/**
* @desc Convert the longitude from float to int
* @param p_longitude The longitude to be converted. Significand length shall be 6 digits length
* @return The converted longitude
* @verdict Unchanged
*/
function f_ddlon2int(
in float p_longitude
) return SecLongitude {
return float2int(p_longitude * 1000000.0); // Significand length shall be 6 digits length
}
} // End of group geometryFunctions
} // End of module LibItsSecurity_Functions