Commit d64463e2 authored by Yann Garcia's avatar Yann Garcia
Browse files

Bug fixed in UDP layer

parent d8e084dd

ccsrc/Externals/LibItsSecurity_externals.cc

+59 −0
Original line number Diff line number Diff line
@@ -119,6 +119,39 @@ namespace LibItsSecurity__Functions 
    return OCTETSTRING(0, nullptr);

  }



  OCTETSTRING fx__test__signWithEcdsaNistp256WithSha256(

                                                        const OCTETSTRING& p__toBeSignedSecuredMessage,

                                                        const OCTETSTRING& p__privateKey

                                                        ) {

    loggers::get_instance().log_msg(">>> fx__test__signWithEcdsaNistp256WithSha256: data=", p__toBeSignedSecuredMessage); 

    loggers::get_instance().log_msg(">>> fx__test__signWithEcdsaNistp256WithSha256: private key=", p__privateKey); 

    

    // Sanity checks

    if (p__privateKey.lengthof() != 32) {

      loggers::get_instance().log("fx__test__signWithEcdsaNistp256WithSha256: Wrong parameters");

      return OCTETSTRING(0, nullptr);

    }

    

    // Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )

    sha256 hash;

    OCTETSTRING hashData1; // Hash (Data input)

    hash.generate(p__toBeSignedSecuredMessage, hashData1);

    loggers::get_instance().log_msg("fx__test__signWithEcdsaNistp256WithSha256: Hash (Data input)=", hashData1);

    // Calculate the signature

    security_ecc k(ec_elliptic_curves::nist_p_256, p__privateKey);

    OCTETSTRING r_sig;

    OCTETSTRING s_sig;

    if (k.sign(hashData1, r_sig, s_sig) == 0) {

      OCTETSTRING os = r_sig + s_sig;

      loggers::get_instance().log_msg("r_sig= ", r_sig);

      loggers::get_instance().log_msg("s_sig= ", s_sig);

      loggers::get_instance().log_msg("sig= ", os);

      return os;

    }



    return OCTETSTRING(0, nullptr);

  }



  /**

   * \fn OCTETSTRING fx__signWithEcdsaBrainpoolp256WithSha256(const OCTETSTRING& p__toBeSignedSecuredMessage, const OCTETSTRING& p__privateKey);

   * \brief Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signature
@@ -266,6 +299,32 @@ namespace LibItsSecurity__Functions 
    return FALSE;

  }

  

  BOOLEAN fx__test__verifyWithEcdsaNistp256WithSha256(

                                                      const OCTETSTRING& p__toBeVerifiedData,

                                                      const OCTETSTRING& p__signature,

                                                      const OCTETSTRING& p__ecdsaNistp256PublicKeyCompressed,

                                                      const INTEGER& p__compressedMode

                                                      ) {

    // Sanity checks

    if ((p__signature.lengthof() != 64) || (p__ecdsaNistp256PublicKeyCompressed.lengthof() != 32)) {

      loggers::get_instance().log("fx__test__verifyWithEcdsaNistp256WithSha256: Wrong parameters");

      return FALSE;

    }



    // Calculate the SHA256 of the hashed data for signing: Hash ( Hash (Data input) || Hash (Signer identifier input) )

    sha256 hash;

    OCTETSTRING hashData1; // Hash (Data input)

    hash.generate(p__toBeVerifiedData, hashData1);

    loggers::get_instance().log_msg("fx__test__verifyWithEcdsaNistp256WithSha256: Hash (Data input)=", hashData1);

    // Check the signature

    security_ecc k(ec_elliptic_curves::nist_p_256, p__ecdsaNistp256PublicKeyCompressed, (p__compressedMode == 0) ? ecc_compressed_mode::compressed_y_0 : ecc_compressed_mode::compressed_y_1);

    if (k.sign_verif(hashData1, p__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

LibIts @ 31fa685d

Compare 419abe76 to 31fa685d
Original line number Diff line number Diff line 
Subproject commit 419abe762498812e1d5c8eccc7d90a397153be88
 
Subproject commit 31fa685dc4be0cb5b2f1a751565080e88ce71a97