C++ (Cpp) SecureVector::push_back Beispiele

Beispiel #1

Datei: point_gfp.cpp Projekt: BenjaminSchiborr/safe

// encoding and decoding
SecureVector<byte> EC2OSP(const PointGFp& point, byte format)
   {
   if(point.is_zero())
      return SecureVector<byte>(1); // single 0 byte

   const size_t p_bytes = point.get_curve().get_p().bytes();

   BigInt x = point.get_affine_x();
   BigInt y = point.get_affine_y();

   SecureVector<byte> bX = BigInt::encode_1363(x, p_bytes);
   SecureVector<byte> bY = BigInt::encode_1363(y, p_bytes);

   if(format == PointGFp::UNCOMPRESSED)
      {
      SecureVector<byte> result;
      result.push_back(0x04);

      result += bX;
      result += bY;

      return result;
      }
   else if(format == PointGFp::COMPRESSED)
      {
      SecureVector<byte> result;
      result.push_back(0x02 | static_cast<byte>(y.get_bit(0)));

      result += bX;

      return result;
      }
   else if(format == PointGFp::HYBRID)
      {
      SecureVector<byte> result;
      result.push_back(0x06 | static_cast<byte>(y.get_bit(0)));

      result += bX;
      result += bY;

      return result;
      }
   else
      throw Invalid_Argument("illegal point encoding format specification");
   }

Beispiel #2

Datei: cert_ver.cpp Projekt: relonger/ECryptoLib

/**
* Serialize a Certificate Verify message
*/
SecureVector<byte> Certificate_Verify::serialize() const
   {
   SecureVector<byte> buf;

   const u16bit sig_len = signature.size();
   buf.push_back(get_byte(0, sig_len));
   buf.push_back(get_byte(1, sig_len));
   buf += signature;

   return buf;
   }