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#include "LibItsSecurity_Functions.hh"
#include "sha256.hh"
#include "sha384.hh"
#include "hmac.hh"
#include "security_ecc.hh"
#include "security_services.hh"
#include <openssl/ec.h>
#include <openssl/ecdsa.h>
#include "loggers.hh"
namespace LibItsSecurity__Functions
{
// FIXME Unify code with security_services
/**
* \fn OCTETSTRING fx_hashWithSha256(const OCTETSTRING& p__toBeHashedData);
* \brief Produces a 256-bit (32-byte) hash value
* \param[in] p__toBeHashedData The data to be used to calculate the hash value
* \return The hash value
*/
OCTETSTRING fx__hashWithSha256(
const OCTETSTRING& p__toBeHashedData
) {
loggers::get_instance().log_msg(">>> fx__hashWithSha256: p__toBeHashedData= ", p__toBeHashedData);
sha256 hash;
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeHashedData), p__toBeHashedData.lengthof() + static_cast<const unsigned char *>(p__toBeHashedData));
std::vector<unsigned char> hashData;
hash.generate(tbh, hashData);
loggers::get_instance().log_to_hexa("fx__hashWithSha256: hashData= ", hashData.data(), hashData.size());
return OCTETSTRING(hashData.size(), hashData.data());
} // End of function fx__hashWithSha256
/**
* \fn OCTETSTRING fx_hashWithSha384(const OCTETSTRING& p__toBeHashedData);
* \brief Produces a 384-bit (48-byte) hash value
* \param[in] p__toBeHashedData Data to be used to calculate the hash value
* \return The hash value
*/
OCTETSTRING fx__hashWithSha384(
const OCTETSTRING& p__toBeHashedData
) {
sha384 hash;
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeHashedData), p__toBeHashedData.lengthof() + static_cast<const unsigned char *>(p__toBeHashedData));
std::vector<unsigned char> hashData;
hash.generate(tbh, hashData);
return OCTETSTRING(hashData.size(), hashData.data());
} // End of function fx__hashWithSha384
/**
* \fn OCTETSTRING fx__signWithEcdsaNistp256WithSha256(const OCTETSTRING& p__toBeSignedSecuredMessage, const OCTETSTRING& p__privateKey);
* \brief Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
* \param[in] p__toBeSignedSecuredMessage The data to be signed
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__privateKey The private key
* \return The signature value
*/
OCTETSTRING fx__signWithEcdsaNistp256WithSha256(
const OCTETSTRING& p__toBeSignedSecuredMessage,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__privateKey
) {
loggers::get_instance().log_msg(">>> fx__signWithEcdsaNistp256WithSha256: data=", p__toBeSignedSecuredMessage);
loggers::get_instance().log_msg(">>> fx__signWithEcdsaNistp256WithSha256: issuer=", p__certificateIssuer);
loggers::get_instance().log_msg(">>> fx__signWithEcdsaNistp256WithSha256: private key=", p__privateKey);
if ((p__certificateIssuer.lengthof() != 32) || (p__privateKey.lengthof() != 32)) {
loggers::get_instance().log("fx__signWithEcdsaNistp256WithSha256: Wrong parameters");
return OCTETSTRING();
}
// Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha256 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbs(static_cast<const unsigned char *>(p__toBeSignedSecuredMessage), p__toBeSignedSecuredMessage.lengthof() + static_cast<const unsigned char *>(p__toBeSignedSecuredMessage));
hash.generate(tbs, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha256_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__signWithEcdsaNistp256WithSha256: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__signWithEcdsaNistp256WithSha256: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
loggers::get_instance().log_to_hexa("fx__signWithEcdsaNistp256WithSha256: Hash (Data input) || Hash (Signer identifier input)=", hashData1.data(), hashData1.size());
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__signWithEcdsaNistp256WithSha256: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Calculate the signature
std::vector<unsigned char> p_key(static_cast<const unsigned char *>(p__privateKey), static_cast<const unsigned char *>(p__privateKey) + p__privateKey.lengthof());
security_ecc k(ec_elliptic_curves::nist_p_256, p_key);
std::vector<unsigned char> r_sig;
std::vector<unsigned char> s_sig;
if (k.sign(hashData, r_sig, s_sig) == 0) {
OCTETSTRING os(r_sig.size(), r_sig.data());
// loggers::get_instance().log_to_hexa("r_sig= ", os);
// loggers::get_instance().log_to_hexa("s_sig= ", OCTETSTRING(s_sig.size(), s_sig.data());
os += OCTETSTRING(s_sig.size(), s_sig.data());
// loggers::get_instance().log_to_hexa("sig= ", os);
return os;
}
return OCTETSTRING();
}
/**
* \fn OCTETSTRING fx__signWithEcdsaBrainpoolp256WithSha256(const OCTETSTRING& p__toBeSignedSecuredMessage, const OCTETSTRING& p__privateKey);
* \brief Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
* \param[in] p__toBeSignedSecuredMessage The data to be signed
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__privateKey The private key
* \return The signature value
*/
OCTETSTRING fx__signWithEcdsaBrainpoolp256WithSha256(
const OCTETSTRING& p__toBeSignedSecuredMessage,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__privateKey
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 32) || (p__privateKey.lengthof() != 32)) {
loggers::get_instance().log("fx__signWithEcdsaBrainpoolp256WithSha256: Wrong parameters");
return OCTETSTRING();
}
// Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha256 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbs(static_cast<const unsigned char *>(p__toBeSignedSecuredMessage), p__toBeSignedSecuredMessage.lengthof() + static_cast<const unsigned char *>(p__toBeSignedSecuredMessage));
hash.generate(tbs, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha256_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp256WithSha256: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp256WithSha256: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp256WithSha256: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Calculate the signature
std::vector<unsigned char> p_key(static_cast<const unsigned char *>(p__privateKey), static_cast<const unsigned char *>(p__privateKey) + p__privateKey.lengthof());
security_ecc k(ec_elliptic_curves::brainpool_p_256_r1, p_key);
std::vector<unsigned char> r_sig;
std::vector<unsigned char> s_sig;
if (k.sign(hashData, r_sig, s_sig) == 0) {
OCTETSTRING os(r_sig.size(), r_sig.data());
// loggers::get_instance().log_to_hexa("r_sig= ", os);
// loggers::get_instance().log_to_hexa("s_sig= ", OCTETSTRING(s_sig.size(), s_sig.data());
os += OCTETSTRING(s_sig.size(), s_sig.data());
// loggers::get_instance().log_to_hexa("sig= ", os);
return os;
}
return OCTETSTRING();
}
/**
* \fn OCTETSTRING fx__signWithEcdsaBrainpoolp384WithSha384(const OCTETSTRING& p__toBeSignedSecuredMessage, const OCTETSTRING& p__privateKey);
* \brief Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
* \param[in] p__toBeSignedSecuredMessage The data to be signed
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__privateKey The private key
* \return The signature value
*/
OCTETSTRING fx__signWithEcdsaBrainpoolp384WithSha384(
const OCTETSTRING& p__toBeSignedSecuredMessage,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__privateKey
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 48) || (p__privateKey.lengthof() != 48)) {
loggers::get_instance().log("fx__signWithEcdsaBrainpoolp384WithSha384: Wrong parameters");
return OCTETSTRING();
}
// Calculate the SHA384 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha384 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbs(static_cast<const unsigned char *>(p__toBeSignedSecuredMessage), p__toBeSignedSecuredMessage.lengthof() + static_cast<const unsigned char *>(p__toBeSignedSecuredMessage));
hash.generate(tbs, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 48)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha384_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp384WithSha384: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp384WithSha384: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp384WithSha384: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Calculate the signature
std::vector<unsigned char> p_key(static_cast<const unsigned char *>(p__privateKey), static_cast<const unsigned char *>(p__privateKey) + p__privateKey.lengthof());
security_ecc k(ec_elliptic_curves::brainpool_p_384_r1, p_key);
std::vector<unsigned char> r_sig;
std::vector<unsigned char> s_sig;
if (k.sign(hashData, r_sig, s_sig) == 0) {
OCTETSTRING os(r_sig.size(), r_sig.data());
//loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp384WithSha384: r_sig= ", os);
//loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp384WithSha384: s_sig= ", OCTETSTRING(s_sig.size(), s_sig.data()));
os += OCTETSTRING(s_sig.size(), s_sig.data());
//loggers::get_instance().log_to_hexa("fx__signWithEcdsaBrainpoolp384WithSha384: sig= ", os);
return os;
}
return OCTETSTRING();
}
/**
* \fn BOOLEAN fx__verifyWithEcdsaNistp256WithSha256(const OCTETSTRING& p__toBeVerifiedData, const OCTETSTRING& p__signature, const OCTETSTRING& p__ecdsaNistp256PublicKeyCompressed);
* \brief Verify the signature of the specified data
* \param[in] p__toBeVerifiedData The data to be verified
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__signature The signature
* \param[in] p__ecdsaNistp256PublicKeyCompressed The compressed public key (x coordinate only)
* \return true on success, false otherwise
*/
BOOLEAN fx__verifyWithEcdsaNistp256WithSha256(
const OCTETSTRING& p__toBeVerifiedData,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__signature,
const OCTETSTRING& p__ecdsaNistp256PublicKeyCompressed,
if ((p__certificateIssuer.lengthof() != 32) || (p__signature.lengthof() != 64) || (p__ecdsaNistp256PublicKeyCompressed.lengthof() != 32)) {
loggers::get_instance().log("fx__verifyWithEcdsaNistp256WithSha256: Wrong parameters");
return FALSE;
}
// Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha256 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeVerifiedData), p__toBeVerifiedData.lengthof() + static_cast<const unsigned char *>(p__toBeVerifiedData));
hash.generate(tbh, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha256_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaNistp256WithSha256: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaNistp256WithSha256: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaNistp256WithSha256: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Check the signature
std::vector<unsigned char> signature(static_cast<const unsigned char *>(p__signature), static_cast<const unsigned char *>(p__signature) + p__signature.lengthof());
std::vector<unsigned char> pub_key_compressed(static_cast<const unsigned char *>(p__ecdsaNistp256PublicKeyCompressed), static_cast<const unsigned char *>(p__ecdsaNistp256PublicKeyCompressed) + p__ecdsaNistp256PublicKeyCompressed.lengthof());
security_ecc k(ec_elliptic_curves::nist_p_256, pub_key_compressed, (p__compressedMode == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
if (k.sign_verif(hashData, signature) == 0) {
return TRUE;
}
return FALSE;
}
/**
* \fn BOOLEAN fx__verifyWithEcdsaNistp256WithSha256_1(const OCTETSTRING& p__toBeVerifiedData, const OCTETSTRING& p__signature, const OCTETSTRING& p__ecdsaNistp256PublicKeyX, const OCTETSTRING& p__ecdsaNistp256PublicKeyY);
* \brief Verify the signature of the specified data
* \param[in] p__toBeVerifiedData The data to be verified
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__signature The signature
* \param[in] p__ecdsaNistp256PublicKeyX The public key (x coordinate)
* \param[in] p__ecdsaNistp256PublicKeyY The public key (y coordinate)
* \return true on success, false otherwise
*/
BOOLEAN fx__verifyWithEcdsaNistp256WithSha256__1(
const OCTETSTRING& p__toBeVerifiedData,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__signature,
const OCTETSTRING& p__ecdsaNistp256PublicKeyX,
const OCTETSTRING& p__ecdsaNistp256PublicKeyY
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 32) || (p__signature.lengthof() != 64)) {
loggers::get_instance().log("fx__verifyWithEcdsaNistp256WithSha256__1: Wrong parameters");
return FALSE;
}
// Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha256 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeVerifiedData), p__toBeVerifiedData.lengthof() + static_cast<const unsigned char *>(p__toBeVerifiedData));
hash.generate(tbh, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha256_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaNistp256WithSha256__1: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaNistp256WithSha256__1: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaNistp256WithSha256__1: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Check the signature
std::vector<unsigned char> signature(static_cast<const unsigned char *>(p__signature), static_cast<const unsigned char *>(p__signature) + p__signature.lengthof());
std::vector<unsigned char> pub_key_x(static_cast<const unsigned char *>(p__ecdsaNistp256PublicKeyX), static_cast<const unsigned char *>(p__ecdsaNistp256PublicKeyX) + p__ecdsaNistp256PublicKeyX.lengthof());
std::vector<unsigned char> pub_key_y(static_cast<const unsigned char *>(p__ecdsaNistp256PublicKeyY), static_cast<const unsigned char *>(p__ecdsaNistp256PublicKeyY) + p__ecdsaNistp256PublicKeyY.lengthof());
security_ecc k(ec_elliptic_curves::nist_p_256, pub_key_x, pub_key_y);
//security_ecc k(ec_elliptic_curves::nist_p_256);
if (k.sign_verif(hashData, signature) == 0) {
return TRUE;
}
return FALSE;
}
/**
* \fn BOOLEAN fx__verifyWithEcdsaBrainpoolp256WithSha256(const OCTETSTRING& p__toBeVerifiedData, const OCTETSTRING& p__signature, const OCTETSTRING& p__ecdsaBrainpoolp256PublicKeyCompressed);
* \brief Verify the signature of the specified data
* \param[in] p__toBeVerifiedData The data to be verified
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__signature The signature
* \param[in] p__ecdsaBrainpoolp256PublicKeyCompressed The compressed public key (x coordinate only)
* \return true on success, false otherwise
*/
BOOLEAN fx__verifyWithEcdsaBrainpoolp256WithSha256(
const OCTETSTRING& p__toBeVerifiedData,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__signature,
const OCTETSTRING& p__ecdsaBrainpoolp256PublicKeyCompressed,
const INTEGER& p__compressedMode
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 32) || (p__signature.lengthof() != 64) || (p__ecdsaBrainpoolp256PublicKeyCompressed.lengthof() != 32)) {
loggers::get_instance().log("fx__verifyWithEcdsaBrainpoolp256WithSha256: Wrong parameters");
return FALSE;
}
// Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha256 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeVerifiedData), p__toBeVerifiedData.lengthof() + static_cast<const unsigned char *>(p__toBeVerifiedData));
hash.generate(tbh, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha256_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp256WithSha256: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp256WithSha256: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp256WithSha256: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Check the signature
std::vector<unsigned char> signature(static_cast<const unsigned char *>(p__signature), static_cast<const unsigned char *>(p__signature) + p__signature.lengthof());
std::vector<unsigned char> pub_key_compressed(static_cast<const unsigned char *>(p__ecdsaBrainpoolp256PublicKeyCompressed), static_cast<const unsigned char *>(p__ecdsaBrainpoolp256PublicKeyCompressed) + p__ecdsaBrainpoolp256PublicKeyCompressed.lengthof());
security_ecc k(ec_elliptic_curves::brainpool_p_256_r1, pub_key_compressed, (p__compressedMode == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
if (k.sign_verif(hashData, signature) == 0) {
return TRUE;
}
return FALSE;
}
/**
* \fn BOOLEAN fx__verifyWithEcdsaBrainpoolp256WithSha256_1(const OCTETSTRING& p__toBeVerifiedData, const OCTETSTRING& p__signature, const OCTETSTRING& p__ecdsaBrainpoolp256PublicKeyX, const OCTETSTRING& p__ecdsaBrainpoolp256PublicKeyY);
* \brief Verify the signature of the specified data
* \param[in] p__toBeVerifiedData The data to be verified
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__signature The signature
* \param[in] p__ecdsaBrainpoolp256PublicKeyX The public key (x coordinate)
* \param[in] p__ecdsaBrainpoolp256PublicKeyY The public key (y coordinate)
* \return true on success, false otherwise
*/
BOOLEAN fx__verifyWithEcdsaBrainpoolp256WithSha256__1(
const OCTETSTRING& p__toBeVerifiedData,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__signature,
const OCTETSTRING& p__ecdsaBrainpoolp256PublicKeyX,
const OCTETSTRING& p__ecdsaBrainpoolp256PublicKeyY
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 32) || (p__signature.lengthof() != 64)) {
loggers::get_instance().log("fx__verifyWithEcdsaBrainpoolp256WithSha256__1: Wrong parameters");
return FALSE;
}
// Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha256 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeVerifiedData), p__toBeVerifiedData.lengthof() + static_cast<const unsigned char *>(p__toBeVerifiedData));
hash.generate(tbh, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha256_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp256WithSha256__1: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp256WithSha256__1: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp256WithSha256__1: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Check the signature
std::vector<unsigned char> signature(static_cast<const unsigned char *>(p__signature), static_cast<const unsigned char *>(p__signature) + p__signature.lengthof());
std::vector<unsigned char> pub_key_x(static_cast<const unsigned char *>(p__ecdsaBrainpoolp256PublicKeyX), static_cast<const unsigned char *>(p__ecdsaBrainpoolp256PublicKeyX) + p__ecdsaBrainpoolp256PublicKeyX.lengthof());
std::vector<unsigned char> pub_key_y(static_cast<const unsigned char *>(p__ecdsaBrainpoolp256PublicKeyY), static_cast<const unsigned char *>(p__ecdsaBrainpoolp256PublicKeyY) + p__ecdsaBrainpoolp256PublicKeyY.lengthof());
security_ecc k(ec_elliptic_curves::brainpool_p_256_r1, pub_key_x, pub_key_y);
if (k.sign_verif(hashData, signature) == 0) {
return TRUE;
}
return FALSE;
}
/**
* \fn BOOLEAN fx__verifyWithEcdsaBrainpoolp384WithSha384(const OCTETSTRING& p__toBeVerifiedData, const OCTETSTRING& p__signature, const OCTETSTRING& p__ecdsaBrainpoolp384PublicKeyCompressed);
* \brief Verify the signature of the specified data
* \param[in] p__toBeVerifiedData The data to be verified
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__signature The signature
* \param[in] p__ecdsaBrainpoolp384PublicKeyCompressed The compressed public key (x coordinate only)
* \return true on success, false otherwise
*/
BOOLEAN fx__verifyWithEcdsaBrainpoolp384WithSha384(
const OCTETSTRING& p__toBeVerifiedData,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__signature,
const OCTETSTRING& p__ecdsaBrainpoolp384PublicKeyCompressed,
const INTEGER& p__compressedMode
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 48) || (p__signature.lengthof() != 96) || (p__ecdsaBrainpoolp384PublicKeyCompressed.lengthof() != 48)) {
loggers::get_instance().log("fx__verifyWithEcdsaBrainpoolp384WithSha384: Wrong parameters");
return FALSE;
}
// Calculate the SHA384 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha384 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeVerifiedData), p__toBeVerifiedData.lengthof() + static_cast<const unsigned char *>(p__toBeVerifiedData));
hash.generate(tbh, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 48)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha384_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp384WithSha384: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp384WithSha384: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp384WithSha384: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
// Check the signature
std::vector<unsigned char> signature(static_cast<const unsigned char *>(p__signature), static_cast<const unsigned char *>(p__signature) + p__signature.lengthof());
std::vector<unsigned char> pub_key_compressed(static_cast<const unsigned char *>(p__ecdsaBrainpoolp384PublicKeyCompressed), static_cast<const unsigned char *>(p__ecdsaBrainpoolp384PublicKeyCompressed) + p__ecdsaBrainpoolp384PublicKeyCompressed.lengthof());
security_ecc k(ec_elliptic_curves::brainpool_p_384_r1, pub_key_compressed, (p__compressedMode == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
if (k.sign_verif(hashData, signature) == 0) {
return TRUE;
}
return FALSE;
}
/**
* \fn BOOLEAN fx__verifyWithEcdsaBrainpoolp384WithSha384_1(const OCTETSTRING& p__toBeVerifiedData, const OCTETSTRING& p__signature, const OCTETSTRING& p__ecdsaBrainpoolp384PublicKeyX, const OCTETSTRING& p__ecdsaBrainpoolp384PublicKeyY);
* \brief Verify the signature of the specified data
* \param[in] p__toBeVerifiedData The data to be verified
* \param[in] p__certificateIssuer The whole-hash issuer certificate or int2oct(0, 32) in case of self signed certificate
* \param[in] p__signature The signature
* \param[in] p__ecdsaBrainpoolp384PublicKeyX The public key (x coordinate)
* \param[in] p__ecdsaBrainpoolp384PublicKeyY The public key (y coordinate)
* \return true on success, false otherwise
*/
BOOLEAN fx__verifyWithEcdsaBrainpoolp384WithSha384__1(
const OCTETSTRING& p__toBeVerifiedData,
const OCTETSTRING& p__certificateIssuer,
const OCTETSTRING& p__signature,
const OCTETSTRING& p__ecdsaBrainpoolp384PublicKeyX,
const OCTETSTRING& p__ecdsaBrainpoolp384PublicKeyY
) {
// Sanity checks
if ((p__certificateIssuer.lengthof() != 48) || (p__signature.lengthof() != 96)) {
loggers::get_instance().log("fx__verifyWithEcdsaBrainpoolp384WithSha384__1: Wrong parameters");
return FALSE;
}
// Calculate the SHA384 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )
sha384 hash;
std::vector<unsigned char> hashData1; // Hash (Data input)
std::vector<unsigned char> tbh(static_cast<const unsigned char *>(p__toBeVerifiedData), p__toBeVerifiedData.lengthof() + static_cast<const unsigned char *>(p__toBeVerifiedData));
hash.generate(tbh, hashData1);
std::vector<unsigned char> hashData2; // Hash (Signer identifier input)
if (p__certificateIssuer != int2oct(0, 32)) { // || Hash (Signer identifier input)
hashData2.assign(static_cast<const unsigned char*>(p__certificateIssuer), p__certificateIssuer.lengthof() + static_cast<const unsigned char*>(p__certificateIssuer));
} else {
hashData2 = hash.get_sha384_empty_string(); // Hash of empty string
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp384WithSha384: Hash (Data input)=", hashData1.data(), hashData1.size());
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp384WithSha384: Hash (Signer identifier input)=", hashData2.data(), hashData2.size());
hashData1.insert(hashData1.end(), hashData2.cbegin(), hashData2.cend()); // Hash (Data input) || Hash (Signer identifier input)
std::vector<unsigned char> hashData; // Hash ( Hash (Data input) || Hash (Signer identifier input) )
hash.generate(hashData1, hashData);
loggers::get_instance().log_to_hexa("fx__verifyWithEcdsaBrainpoolp384WithSha384: Hash ( Hash (Data input) || Hash (Signer identifier input) )=", hashData.data(), hashData.size());
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// Check the signature
std::vector<unsigned char> signature(static_cast<const unsigned char *>(p__signature), static_cast<const unsigned char *>(p__signature) + p__signature.lengthof());
std::vector<unsigned char> pub_key_x(static_cast<const unsigned char *>(p__ecdsaBrainpoolp384PublicKeyX), static_cast<const unsigned char *>(p__ecdsaBrainpoolp384PublicKeyX) + p__ecdsaBrainpoolp384PublicKeyX.lengthof());
std::vector<unsigned char> pub_key_y(static_cast<const unsigned char *>(p__ecdsaBrainpoolp384PublicKeyY), static_cast<const unsigned char *>(p__ecdsaBrainpoolp384PublicKeyY) + p__ecdsaBrainpoolp384PublicKeyY.lengthof());
security_ecc k(ec_elliptic_curves::brainpool_p_384_r1, pub_key_x, pub_key_y);
if (k.sign_verif(hashData, signature) == 0) {
return TRUE;
}
return FALSE;
}
/**
* \fn OCTETSTRING fx__test__hmac__sha256(const OCTETSTRING& p__k, const OCTETSTRING& p__m);
* \brief Generate a HMAC-SHA256 value based on the provided secret key
* \param[in] p__k The secret key used for the HMAC calculation
* \param[in] p__m The message
* \return The HMAC value resized to 16-byte
*/
OCTETSTRING fx__test__hmac__sha256(const OCTETSTRING& p__k, const OCTETSTRING& p__m) {
loggers::get_instance().log(">>> fx__test__hmac__sha256");
hmac h(hash_algorithms::sha_256); // TODO Use ec_encryption_algorithm
std::vector<unsigned char> k(static_cast<const unsigned char *>(p__k), p__k.lengthof() + static_cast<const unsigned char *>(p__k));
std::vector<unsigned char> m(static_cast<const unsigned char *>(p__m), p__m.lengthof() + static_cast<const unsigned char *>(p__m));
std::vector<unsigned char> t;
if (h.generate(m, k, t) == -1) {
loggers::get_instance().warning("fx__test__hmac__sha256: Failed to generate HMAC");
return OCTETSTRING();
}
OCTETSTRING os(t.size(), t.data());
loggers::get_instance().log_to_hexa("fx__test__hmac__sha256: HMAC: ", os);
return os;
}
/**
* \fn OCTETSTRING fx__test__encrypt__aes__128__ccm__test(const OCTETSTRING& p__k, const OCTETSTRING& p__n, const OCTETSTRING& p__pt);
* \brief Encrypt the message using AES 128 CCM algorithm
* \param[in] p__k The symmetric encryption key
* \param[in] p__n The initial vector, nonce vector
* \param[in] p__pt The message to encrypt
* \return The encrypted message concatenated to the AES 128 CCM tag
*/
OCTETSTRING fx__test__encrypt__aes__128__ccm__test(const OCTETSTRING& p__k, const OCTETSTRING& p__n, const OCTETSTRING& p__pt) {
loggers::get_instance().log(">>> fx__test__encrypt__aes__128__ccm__test");
security_ecc ec(ec_elliptic_curves::nist_p_256);
std::vector<unsigned char> k(static_cast<const unsigned char *>(p__k), p__k.lengthof() + static_cast<const unsigned char *>(p__k));
std::vector<unsigned char> n(static_cast<const unsigned char *>(p__n), p__n.lengthof() + static_cast<const unsigned char *>(p__n));
std::vector<unsigned char> pt(static_cast<const unsigned char *>(p__pt), p__pt.lengthof() + static_cast<const unsigned char *>(p__pt));
std::vector<unsigned char> enc_message;
if (ec.encrypt(encryption_algotithm::aes_128_ccm, k, n, pt, enc_message) == -1) {
loggers::get_instance().warning("fx__test__encrypt__aes__128__ccm__test: Failed to encrypt message");
return OCTETSTRING();
}
OCTETSTRING os(enc_message.size(), enc_message.data());
os = os + OCTETSTRING(ec.tag().size(), ec.tag().data());
loggers::get_instance().log_to_hexa("fx__test__encrypt__aes__128__ccm__test: encrypted message: ", os);
return os;
}
/**
* \fn OCTETSTRING fx__test__decrypt__aes__128__ccm__test(const OCTETSTRING& p__k, const OCTETSTRING& p__n, const OCTETSTRING& p__ct);
* \brief Encrypt the message using AES 128 CCM algorithm
* \param[in] p__k The symmetric encryption key
* \param[in] p__n The initial vector, nonce vector
* \param[in] p__ct The encrypted message concatenated to the AES 128 CCM tag
* \return The original message
*/
OCTETSTRING fx__test__decrypt__aes__128__ccm__test(const OCTETSTRING& p__k, const OCTETSTRING& p__n, const OCTETSTRING& p__ct) {
loggers::get_instance().log(">>> fx__test__decrypt__aes__128__ccm__test");
security_ecc ec(ec_elliptic_curves::nist_p_256);
std::vector<unsigned char> k(static_cast<const unsigned char *>(p__k), p__k.lengthof() + static_cast<const unsigned char *>(p__k));
std::vector<unsigned char> n(static_cast<const unsigned char *>(p__n), p__n.lengthof() + static_cast<const unsigned char *>(p__n));
std::vector<unsigned char> ct(static_cast<const unsigned char *>(p__ct), p__ct.lengthof() + static_cast<const unsigned char *>(p__ct));
// Extract the tag
std::vector<unsigned char> tag(16, 0x00);
std::copy(ct.end() - tag.size(), ct.end(), tag.begin());
loggers::get_instance().log_to_hexa("fx__test__decrypt__aes__128__ccm__test: tag: ", tag.data(), tag.size());
// Remove the tag from the end of the encrypted message
ct.resize(ct.size() - tag.size());
std::vector<unsigned char> message;
if (ec.decrypt(encryption_algotithm::aes_128_ccm, k, n, tag, ct, message) == -1) {
loggers::get_instance().warning("fx__test__decrypt__aes__128__ccm__test: Failed to decrypt message");
return OCTETSTRING();
}
OCTETSTRING os(message.size(), message.data());
loggers::get_instance().log_to_hexa("fx__test__decrypt__aes__128__ccm__test: decrypted message: ", os);
return os;
}
/**
* \fn OCTETSTRING fx__encryptWithEciesNistp256WithSha256(const OCTETSTRING& p__toBeEncryptedSecuredMessage, const OCTETSTRING& p__recipientsPublicKeyX, const OCTETSTRING& p__recipientsPublicKeyY, OCTETSTRING& p__publicEphemeralKeyX, OCTETSTRING& p__publicEphemeralKeyY, OCTETSTRING& p__encrypted__sym__key, OCTETSTRING& p__authentication__vector, OCTETSTRING& p__nonce);
* \brief Encrypt the message using ECIES algorithm to encrypt AES 128 CCM symmetric key, as defined in IEEE Std 1609.2-2017
* \param[in] p__toBeEncryptedSecuredMessage The message to be encrypted
* \param[in] p__recipientsPublicKeyCompressed The Recipient's compressed public key
* \param[in] p__compressedMode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* \param[out] p__publicEphemeralKeyCompressed The public ephemeral compressed key
* \param[out] p__ephemeralCompressedMode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* \param[out] p__encrypted__sym__key The encrypted AES 128 symmetric key
* \param[out] p__authentication__vector The tag of the encrypted AES 128 symmetric key
* \param[out] p__nonce The nonce vector
* \return The original 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
*/
// TODO Use common function for both fx__encryptWithEciesxxx and fx__decryptWithEciesxxx function
OCTETSTRING fx__encryptWithEciesNistp256WithSha256(const OCTETSTRING& p__toBeEncryptedSecuredMessage, const OCTETSTRING& p__recipientsPublicKeyCompressed, const INTEGER& p__compressedMode, OCTETSTRING& p__publicEphemeralKeyCompressed, INTEGER& p__ephemeralCompressedMode, OCTETSTRING& p__encrypted__sym__key, OCTETSTRING& p__authentication__vector, OCTETSTRING& p__nonce) {
loggers::get_instance().log_msg(">>> fx__encryptWithEciesNistp256WithSha256: p__toBeEncryptedSecuredMessage: ", p__toBeEncryptedSecuredMessage);
loggers::get_instance().log_msg(">>> fx__encryptWithEciesNistp256WithSha256: p__recipientsPublicKeyX: ", p__recipientsPublicKeyCompressed);
loggers::get_instance().log(">>> fx__encryptWithEciesNistp256WithSha256: p__compressedMode: %d", static_cast<int>(p__compressedMode));
// 1. Generate new Private/Public key
security_ecc ec(ec_elliptic_curves::nist_p_256);
if (ec.generate() == -1) {
loggers::get_instance().warning("fx__encryptWithEciesNistp256WithSha256: Failed to generate ephemeral keys");
return OCTETSTRING();
}
// 2. Generate and derive shared secret
std::vector<unsigned char> recipients_public_comp_key(static_cast<const unsigned char *>(p__recipientsPublicKeyCompressed), p__recipientsPublicKeyCompressed.lengthof() + static_cast<const unsigned char *>(p__recipientsPublicKeyCompressed));
security_ecc ec_comp(ec_elliptic_curves::nist_p_256, recipients_public_comp_key, (static_cast<int>(p__compressedMode) == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
if (ec.generate_and_derive_ephemeral_key(encryption_algotithm::aes_128_ccm, ec_comp.public_key_x(), ec_comp.public_key_y()) == -1) {
loggers::get_instance().warning("fx__encryptWithEciesNistp256WithSha256: Failed to generate and derive secret key");
return OCTETSTRING();
}
// Set the encrypted symmetric key
p__encrypted__sym__key = OCTETSTRING(ec.encrypted_symmetric_key().size(), ec.encrypted_symmetric_key().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: Encrypted symmetric key: ", p__encrypted__sym__key);
// Set the tag of the symmetric key encryption
p__authentication__vector = OCTETSTRING(ec.tag().size(), ec.tag().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: p__authentication__vector: ", p__authentication__vector);
// Set ephemeral public keys
p__publicEphemeralKeyCompressed = OCTETSTRING(ec.public_key_compressed().size(), ec.public_key_compressed().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: Ephemeral public compressed key: ", p__publicEphemeralKeyCompressed);
p__ephemeralCompressedMode = (ec.public_key_compressed_mode() == ecc_compressed_mode::compressed_y_0) ? 0 : 1;
loggers::get_instance().log("fx__encryptWithEciesNistp256WithSha256: Ephemeral public compressed mode: %d: ", p__ephemeralCompressedMode);
// 3. Retrieve AES 128 parameters
p__nonce = OCTETSTRING(ec.nonce().size(), ec.nonce().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: p__nonce: ", p__nonce);
OCTETSTRING enc_symm_key = OCTETSTRING(ec.symmetric_encryption_key().size(), ec.symmetric_encryption_key().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: enc_symm_key: ", enc_symm_key);
// 4. Encrypt the data using AES-128 CCM
std::vector<unsigned char> message(static_cast<const unsigned char *>(p__toBeEncryptedSecuredMessage), p__toBeEncryptedSecuredMessage.lengthof() + static_cast<const unsigned char *>(p__toBeEncryptedSecuredMessage));
std::vector<unsigned char> enc_message;
if (ec.encrypt(encryption_algotithm::aes_128_ccm, ec.symmetric_encryption_key(), ec.nonce(), message, enc_message) == -1) {
loggers::get_instance().warning("fx__encryptWithEciesNistp256WithSha256: Failed to encrypt message");
return OCTETSTRING();
}
enc_message.insert(enc_message.end(), std::make_move_iterator(ec.tag().begin()), std::make_move_iterator(ec.tag().end()));
OCTETSTRING os(enc_message.size(), enc_message.data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: enc message||Tag: ", os);
return os;
}
/**
* \fn OCTETSTRING fx__decryptWithEciesNistp256WithSha256(const OCTETSTRING& p__encryptedSecuredMessage, const OCTETSTRING& p__privateEncKey, const OCTETSTRING& p__publicEphemeralKeyX, const OCTETSTRING& p__publicEphemeralKeyY, const OCTETSTRING& p__encrypted__sym__key, const OCTETSTRING& p__authentication__vector, const OCTETSTRING& p__nonce);
* \brief Decrypt the message using ECIES algorithm to decrypt AES 128 CCM symmetric key, as defined in IEEE Std 1609.2-2017
* \param[in] p__encryptedSecuredMessage The encrypted message
* \param[in] p__privateEncKey The private encryption key
* \param[in] p__publicEphemeralKeyCompressed The public ephemeral compressed key
* \param[in] p__ephemeralCompressedMode The compressed mode, 0 if the latest bit of Y-coordinate is 0, 1 otherwise
* \param[in] p__encrypted__sym__key The encrypted AES 128 symmetric key
* \param[in] p__authentication__vector The tag of the encrypted AES 128 symmetric key
* \param[in] p__nonce The nonce vector
* \return The original 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
*/
// TODO Use common function for both fx__encryptWithEciesxxx and fx__decryptWithEciesxxx function
OCTETSTRING fx__decryptWithEciesNistp256WithSha256(const OCTETSTRING& p__encryptedSecuredMessage, const OCTETSTRING& p__privateEncKey, const OCTETSTRING& p__publicEphemeralKeyCompressed, const INTEGER& p__ephemeralCompressedMode, const OCTETSTRING& p__encrypted__sym__key, const OCTETSTRING& p__authentication__vector, const OCTETSTRING& p__nonce) {
loggers::get_instance().log_msg(">>> fx__decryptWithEciesNistp256WithSha256: p__toBeEncryptedSecuredMessage: ", p__encryptedSecuredMessage);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesNistp256WithSha256: p__privateEncKey: ", p__privateEncKey);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesNistp256WithSha256: p__publicEphemeralKeyCompressed: ", p__publicEphemeralKeyCompressed);
loggers::get_instance().log(">>> fx__decryptWithEciesNistp256WithSha256: p__ephemeralCompressedMode: %d", static_cast<int>(p__ephemeralCompressedMode));
loggers::get_instance().log_msg(">>> fx__decryptWithEciesNistp256WithSha256: p__nonce: ", p__nonce);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesNistp256WithSha256: p__authentication__vector: ", p__authentication__vector);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesNistp256WithSha256: p__encrypted__sym__key: ", p__encrypted__sym__key);
// 1. Create security_ecc instance
std::vector<unsigned char> private_enc_key(static_cast<const unsigned char*>(p__privateEncKey), p__privateEncKey.lengthof() + static_cast<const unsigned char*>(p__privateEncKey));
security_ecc ec(ec_elliptic_curves::nist_p_256, private_enc_key);
std::vector<unsigned char> ephemeral_public_comp_key(static_cast<const unsigned char*>(p__publicEphemeralKeyCompressed), p__publicEphemeralKeyCompressed.lengthof() + static_cast<const unsigned char*>(p__publicEphemeralKeyCompressed));
security_ecc ec_comp(ec_elliptic_curves::nist_p_256, ephemeral_public_comp_key, (static_cast<int>(p__ephemeralCompressedMode) == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
// 2. Generate the shared secret value based on recipient's public ephemeral keys will be required
std::vector<unsigned char> enc_sym_key(static_cast<const unsigned char*>(p__encrypted__sym__key), p__encrypted__sym__key.lengthof() + static_cast<const unsigned char*>(p__encrypted__sym__key));
std::vector<unsigned char> nonce(static_cast<const unsigned char*>(p__nonce), p__nonce.lengthof() + static_cast<const unsigned char*>(p__nonce));
std::vector<unsigned char> authentication_vector(static_cast<const unsigned char*>(p__authentication__vector), p__authentication__vector.lengthof() + static_cast<const unsigned char*>(p__authentication__vector));
if (ec.generate_and_derive_ephemeral_key(encryption_algotithm::aes_128_ccm, private_enc_key, ec_comp.public_key_x(), ec_comp.public_key_y(), enc_sym_key, nonce, authentication_vector) == -1) {
loggers::get_instance().warning("fx__decryptWithEciesNistp256WithSha256: Failed to generate shared secret");
return OCTETSTRING();
}
// Decrypt the message
std::vector<unsigned char> enc_message(static_cast<const unsigned char*>(p__encryptedSecuredMessage), p__encryptedSecuredMessage.lengthof() - ec.tag().size() + static_cast<const unsigned char*>(p__encryptedSecuredMessage));
loggers::get_instance().log_to_hexa("fx__decryptWithEciesNistp256WithSha256: enc_message: ", enc_message.data(), enc_message.size());
std::vector<unsigned char> tag(p__encryptedSecuredMessage.lengthof() - ec.tag().size() + static_cast<const unsigned char*>(p__encryptedSecuredMessage), p__encryptedSecuredMessage.lengthof() + static_cast<const unsigned char*>(p__encryptedSecuredMessage));
loggers::get_instance().log_to_hexa("fx__decryptWithEciesNistp256WithSha256: tag: ", tag.data(), tag.size());
std::vector<unsigned char> message;
if (ec.decrypt(tag, enc_message, message) == -1) {
loggers::get_instance().warning("fx__decryptWithEciesNistp256WithSha256: Failed to generate shared secret");
return OCTETSTRING();
}
OCTETSTRING os(message.size(), message.data());
loggers::get_instance().log_to_hexa("fx__decryptWithEciesNistp256WithSha256: dec message: ", os);
return os;
}
OCTETSTRING fx__encryptWithEciesBrainpoolp256WithSha256(const OCTETSTRING& p__toBeEncryptedSecuredMessage, const OCTETSTRING& p__recipientsPublicKeyCompressed, const INTEGER& p__compressedMode, OCTETSTRING& p__publicEphemeralKeyCompressed, INTEGER& p__ephemeralCompressedMode, OCTETSTRING& p__encrypted__sym__key, OCTETSTRING& p__authentication__vector, OCTETSTRING& p__nonce) {
loggers::get_instance().log_msg(">>> fx__encryptWithEciesBrainpoolp256WithSha256: p__toBeEncryptedSecuredMessage: ", p__toBeEncryptedSecuredMessage);
loggers::get_instance().log_msg(">>> fx__encryptWithEciesBrainpoolp256WithSha256: p__recipientsPublicKeyCompressed: ", p__recipientsPublicKeyCompressed);
loggers::get_instance().log(">>> fx__encryptWithEciesBrainpoolp256WithSha256: p__compressedMode: %d", static_cast<int>(p__compressedMode));
// 1. Generate new Private/Public key
security_ecc ec(ec_elliptic_curves::brainpool_p_256_r1);
if (ec.generate() == -1) {
loggers::get_instance().warning("fx__encryptWithEciesBrainpoolp256WithSha256: Failed to generate ephemeral keys");
return OCTETSTRING();
}
// 2. Generate and derive shared secret
std::vector<unsigned char> recipients_public_comp_key(static_cast<const unsigned char *>(p__recipientsPublicKeyCompressed), p__recipientsPublicKeyCompressed.lengthof() + static_cast<const unsigned char *>(p__recipientsPublicKeyCompressed));
security_ecc ec_comp(ec_elliptic_curves::brainpool_p_256_r1, recipients_public_comp_key, (static_cast<int>(p__compressedMode) == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
if (ec.generate_and_derive_ephemeral_key(encryption_algotithm::aes_128_ccm, ec_comp.public_key_x(), ec_comp.public_key_y()) == -1) {
loggers::get_instance().warning("fx__encryptWithEciesBrainpoolp256WithSha256: Failed to generate and derive secret key");
return OCTETSTRING();
}
// Set the encrypted symmetric key
p__encrypted__sym__key = OCTETSTRING(ec.encrypted_symmetric_key().size(), ec.encrypted_symmetric_key().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesBrainpoolp256WithSha256: Encrypted symmetric key: ", p__encrypted__sym__key);
// Set the tag of the symmetric key encryption
p__authentication__vector = OCTETSTRING(ec.tag().size(), ec.tag().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesBrainpoolp256WithSha256: p__authentication__vector: ", p__authentication__vector);
// Set ephemeral public keys
p__publicEphemeralKeyCompressed = OCTETSTRING(ec.public_key_compressed().size(), ec.public_key_compressed().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesNistp256WithSha256: Ephemeral public compressed key: ", p__publicEphemeralKeyCompressed);
p__ephemeralCompressedMode = (ec.public_key_compressed_mode() == ecc_compressed_mode::compressed_y_0) ? 0 : 1;
loggers::get_instance().log("fx__encryptWithEciesNistp256WithSha256: Ephemeral public compressed mode: %d: ", p__ephemeralCompressedMode);
// 3. Retrieve AES 128 parameters
p__nonce = OCTETSTRING(ec.nonce().size(), ec.nonce().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesBrainpoolp256WithSha256: p__nonce: ", p__nonce);
OCTETSTRING enc_symm_key = OCTETSTRING(ec.symmetric_encryption_key().size(), ec.symmetric_encryption_key().data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesBrainpoolp256WithSha256: enc_symm_key: ", enc_symm_key);
// 4. Encrypt the data using AES-128 CCM
std::vector<unsigned char> message(static_cast<const unsigned char *>(p__toBeEncryptedSecuredMessage), p__toBeEncryptedSecuredMessage.lengthof() + static_cast<const unsigned char *>(p__toBeEncryptedSecuredMessage));
std::vector<unsigned char> enc_message;
if (ec.encrypt(encryption_algotithm::aes_128_ccm, ec.symmetric_encryption_key(), ec.nonce(), message, enc_message) == -1) {
loggers::get_instance().warning("fx__encryptWithEciesBrainpoolp256WithSha256: Failed to encrypt message");
return OCTETSTRING();
}
enc_message.insert(enc_message.end(), std::make_move_iterator(ec.tag().begin()), std::make_move_iterator(ec.tag().end()));
OCTETSTRING os(enc_message.size(), enc_message.data());
loggers::get_instance().log_to_hexa("fx__encryptWithEciesBrainpoolp256WithSha256: enc message||Tag: ", os);
return os;
}
OCTETSTRING fx__decryptWithEciesBrainpoolp256WithSha256(const OCTETSTRING& p__encryptedSecuredMessage, const OCTETSTRING& p__privateEncKey, const OCTETSTRING& p__publicEphemeralKeyCompressed, const INTEGER& p__ephemeralCompressedMode, const OCTETSTRING& p__encrypted__sym__key, const OCTETSTRING& p__authentication__vector, const OCTETSTRING& p__nonce) {
loggers::get_instance().log_msg(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__toBeEncryptedSecuredMessage: ", p__encryptedSecuredMessage);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__privateEncKey: ", p__privateEncKey);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__publicEphemeralKeyCompressed: ", p__publicEphemeralKeyCompressed);
loggers::get_instance().log(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__ephemeralCompressedMode: %d", static_cast<int>(p__ephemeralCompressedMode));
loggers::get_instance().log_msg(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__nonce: ", p__nonce);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__authentication__vector: ", p__authentication__vector);
loggers::get_instance().log_msg(">>> fx__decryptWithEciesBrainpoolp256WithSha256: p__encrypted__sym__key: ", p__encrypted__sym__key);
// 1. Create security_ecc instance
std::vector<unsigned char> private_enc_key(static_cast<const unsigned char*>(p__privateEncKey), p__privateEncKey.lengthof() + static_cast<const unsigned char*>(p__privateEncKey));
security_ecc ec(ec_elliptic_curves::brainpool_p_256_r1, private_enc_key);
std::vector<unsigned char> ephemeral_public_comp_key(static_cast<const unsigned char*>(p__publicEphemeralKeyCompressed), p__publicEphemeralKeyCompressed.lengthof() + static_cast<const unsigned char*>(p__publicEphemeralKeyCompressed));
security_ecc ec_comp(ec_elliptic_curves::brainpool_p_256_r1, ephemeral_public_comp_key, (static_cast<int>(p__ephemeralCompressedMode) == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);
// 2. Generate the shared secret value based on recipient's public ephemeral keys will be required
std::vector<unsigned char> enc_sym_key(static_cast<const unsigned char*>(p__encrypted__sym__key), p__encrypted__sym__key.lengthof() + static_cast<const unsigned char*>(p__encrypted__sym__key));
std::vector<unsigned char> nonce(static_cast<const unsigned char*>(p__nonce), p__nonce.lengthof() + static_cast<const unsigned char*>(p__nonce));
std::vector<unsigned char> authentication_vector(static_cast<const unsigned char*>(p__authentication__vector), p__authentication__vector.lengthof() + static_cast<const unsigned char*>(p__authentication__vector));
if (ec.generate_and_derive_ephemeral_key(encryption_algotithm::aes_128_ccm, private_enc_key, ec_comp.public_key_x(), ec_comp.public_key_y(), enc_sym_key, nonce, authentication_vector) == -1) {
loggers::get_instance().warning("fx__decryptWithEciesBrainpoolp256WithSha256: Failed to generate shared secret");
return OCTETSTRING();
}
// Decypt the message
std::vector<unsigned char> enc_message(static_cast<const unsigned char*>(p__encryptedSecuredMessage), p__encryptedSecuredMessage.lengthof() - ec.tag().size() + static_cast<const unsigned char*>(p__encryptedSecuredMessage));
loggers::get_instance().log_to_hexa("fx__decryptWithEciesBrainpoolp256WithSha256: enc_message: ", enc_message.data(), enc_message.size());
std::vector<unsigned char> tag(p__encryptedSecuredMessage.lengthof() - ec.tag().size() + static_cast<const unsigned char*>(p__encryptedSecuredMessage), p__encryptedSecuredMessage.lengthof() + static_cast<const unsigned char*>(p__encryptedSecuredMessage));
loggers::get_instance().log_to_hexa("fx__decryptWithEciesBrainpoolp256WithSha256: tag: ", tag.data(), tag.size());
std::vector<unsigned char> message;
if (ec.decrypt(tag, enc_message, message) == -1) {
loggers::get_instance().warning("fx__decryptWithEciesBrainpoolp256WithSha256: Failed to generate shared secret");
return OCTETSTRING();
}
OCTETSTRING os(message.size(), message.data());
loggers::get_instance().log_to_hexa("fx__decryptWithEciesBrainpoolp256WithSha256: dec message: ", os);
return os;
}
/**
* \brief 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)
* \return true on success, false otherwise
fx_generateKeyPair_nistp256(out octetstring<UInt64> p_privateKey, out octetstring p_publicKeyX, out octetstring p_publicKeyY) return boolean;
*/
BOOLEAN fx__generateKeyPair__nistp256(
OCTETSTRING& p__privateKey,
OCTETSTRING& p__publicKeyX,
OCTETSTRING& p__publicKeyY,
OCTETSTRING& p__publicKeyCompressed,
INTEGER& p__compressedMode
) {
security_ecc k(ec_elliptic_curves::nist_p_256);
if (k.generate() != 0) {
p__privateKey = OCTETSTRING();
p__publicKeyX = OCTETSTRING();
p__publicKeyY = OCTETSTRING();
p__publicKeyCompressed = OCTETSTRING();
return FALSE;
}
// Sanity checks
if (k.private_key().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__nistp256: Invalid private key size");
return FALSE;
}
if (k.public_key_x().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__nistp256: Invalid public key X-coordonate size");
return FALSE;
}
if (k.public_key_y().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__nistp256: Invalid public key Y-coordonate size");
return FALSE;
}
if (k.public_key_compressed().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__nistp256: Invalid public compressed key size");
return FALSE;
}
p__privateKey = OCTETSTRING(k.private_key().size(), k.private_key().data());
p__publicKeyX = OCTETSTRING(k.public_key_x().size(), k.public_key_x().data());
p__publicKeyY = OCTETSTRING(k.public_key_y().size(), k.public_key_y().data());
p__publicKeyCompressed = OCTETSTRING(k.public_key_compressed().size(), k.public_key_compressed().data());
p__compressedMode = INTEGER((int)k.public_key_compressed_mode());
return TRUE;
}
/**
* \brief 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)
* \return true on success, false otherwise
fx_generateKeyPair_nistp256(out octetstring<UInt64> p_privateKey, out octetstring p_publicKeyX, out octetstring p_publicKeyY) return boolean;
*/
BOOLEAN fx__generateKeyPair__brainpoolp256(
OCTETSTRING& p__privateKey,
OCTETSTRING& p__publicKeyX,
OCTETSTRING& p__publicKeyY,
OCTETSTRING& p__publicKeyCompressed,
INTEGER& p__compressedMode
) {
security_ecc k(ec_elliptic_curves::brainpool_p_256_r1);
if (k.generate() != 0) {
p__privateKey = OCTETSTRING();
p__publicKeyX = OCTETSTRING();
p__publicKeyY = OCTETSTRING();
p__publicKeyCompressed = OCTETSTRING();
return FALSE;
}
// Sanity checks
if (k.private_key().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp256: Invalid private key size");
return FALSE;
}
if (k.public_key_x().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp256: Invalid public key X-coordonate size");
return FALSE;
}
if (k.public_key_y().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp256: Invalid public key Y-coordonate size");
return FALSE;
}
if (k.public_key_compressed().size() != 32) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp256: Invalid public compressed key size");
return FALSE;
}
p__privateKey = OCTETSTRING(k.private_key().size(), k.private_key().data());
p__publicKeyX = OCTETSTRING(k.public_key_x().size(), k.public_key_x().data());
p__publicKeyY = OCTETSTRING(k.public_key_y().size(), k.public_key_y().data());
p__publicKeyCompressed = OCTETSTRING(k.public_key_compressed().size(), k.public_key_compressed().data());
p__compressedMode = INTEGER((int)k.public_key_compressed_mode());
return TRUE;
}
/**
* \brief 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)
* \return true on success, false otherwise
fx_generateKeyPair_nistp256(out octetstring<UInt64> p_privateKey, out octetstring p_publicKeyX, out octetstring p_publicKeyY) return boolean;
*/
BOOLEAN fx__generateKeyPair__brainpoolp384(
OCTETSTRING& p__privateKey,
OCTETSTRING& p__publicKeyX,
OCTETSTRING& p__publicKeyY,
OCTETSTRING& p__publicKeyCompressed,
INTEGER& p__compressedMode
) {
security_ecc k(ec_elliptic_curves::brainpool_p_384_r1);
if (k.generate() != 0) {
p__privateKey = OCTETSTRING();
p__publicKeyX = OCTETSTRING();
p__publicKeyY = OCTETSTRING();
p__publicKeyCompressed = OCTETSTRING();
return FALSE;
}
// Sanity checks
if (k.private_key().size() != 48) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp384: Invalid private key size");
return FALSE;
}
if (k.public_key_x().size() != 48) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp384: Invalid public key X-coordonate size");
return FALSE;
}
if (k.public_key_y().size() != 48) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp384: Invalid public key Y-coordonate size");
return FALSE;
}
if (k.public_key_compressed().size() != 48) {
loggers::get_instance().error("fx__generateKeyPair__brainpoolp384: Invalid public compressed key size");
return FALSE;
}
p__privateKey = OCTETSTRING(k.private_key().size(), k.private_key().data());
p__publicKeyX = OCTETSTRING(k.public_key_x().size(), k.public_key_x().data());
p__publicKeyY = OCTETSTRING(k.public_key_y().size(), k.public_key_y().data());
p__publicKeyCompressed = OCTETSTRING(k.public_key_compressed().size(), k.public_key_compressed().data());
p__compressedMode = INTEGER((int)k.public_key_compressed_mode());
return TRUE;
}
// group encryption
// group certificatesLoader
/**
* \brief 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
fx_loadCertificates(in charstring p_rootDirectory, in charstring p_configId) return boolean;
*/
BOOLEAN fx__loadCertificates(
const CHARSTRING& p__rootDirectory,
const CHARSTRING& p__configId
) {
loggers::get_instance().log(">>> fx__loadCertificates: '%s', '%s'", static_cast<const char*>(p__rootDirectory), static_cast<const char*>(p__configId));
std::string str(static_cast<const char*>(p__rootDirectory));
if (p__configId.lengthof() != 0) {
str += "/";
str += std::string(static_cast<const char*>(p__configId));
}
params params;
params.insert(std::pair<std::string, std::string>(std::string("sec_db_path"), str));
if (security_services::get_instance().setup(params) == -1) {