5 #ifndef CRYPTOPP_PKCSPAD_CPP // SunCC workaround: compiler could cause this file to be included twice
6 #define CRYPTOPP_PKCSPAD_CPP
16 template<>
const byte PKCS_DigestDecoration<Weak1::MD2>::decoration[] = {0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x02,0x05,0x00,0x04,0x10};
19 template<>
const byte PKCS_DigestDecoration<Weak1::MD5>::decoration[] = {0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x05,0x05,0x00,0x04,0x10};
22 template<>
const byte PKCS_DigestDecoration<RIPEMD160>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2b,0x24,0x03,0x02,0x01,0x05,0x00,0x04,0x14};
25 template<>
const byte PKCS_DigestDecoration<Tiger>::decoration[] = {0x30,0x29,0x30,0x0D,0x06,0x09,0x2B,0x06,0x01,0x04,0x01,0xDA,0x47,0x0C,0x02,0x05,0x00,0x04,0x18};
29 #ifndef CRYPTOPP_IS_DLL
30 template<>
const byte PKCS_DigestDecoration<SHA1>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x0E,0x03,0x02,0x1A,0x05,0x00,0x04,0x14};
33 template<>
const byte PKCS_DigestDecoration<SHA224>::decoration[] = {0x30,0x2d,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x04,0x05,0x00,0x04,0x1c};
36 template<>
const byte PKCS_DigestDecoration<SHA256>::decoration[] = {0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,0x00,0x04,0x20};
39 template<>
const byte PKCS_DigestDecoration<SHA384>::decoration[] = {0x30,0x41,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x02,0x05,0x00,0x04,0x30};
42 template<>
const byte PKCS_DigestDecoration<SHA512>::decoration[] = {0x30,0x51,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x03,0x05,0x00,0x04,0x40};
57 void PKCS_EncryptionPaddingScheme::Pad(
RandomNumberGenerator& rng,
const byte *input,
size_t inputLen,
byte *pkcsBlock,
size_t pkcsBlockLen,
const NameValuePairs& parameters)
const
59 CRYPTOPP_UNUSED(parameters);
63 if (pkcsBlockLen % 8 != 0)
73 for (
unsigned i = 1; i < pkcsBlockLen-inputLen-1; i++)
76 pkcsBlock[pkcsBlockLen-inputLen-1] = 0;
77 memcpy(pkcsBlock+pkcsBlockLen-inputLen, input, inputLen);
80 DecodingResult PKCS_EncryptionPaddingScheme::Unpad(
const byte *pkcsBlock,
size_t pkcsBlockLen,
byte *output,
const NameValuePairs& parameters)
const
82 CRYPTOPP_UNUSED(parameters);
87 if (pkcsBlockLen % 8 != 0)
89 invalid = (pkcsBlock[0] != 0) || invalid;
95 invalid = (pkcsBlock[0] != 2) || invalid;
99 while (i<pkcsBlockLen && pkcsBlock[i++]) {
103 size_t outputLen = pkcsBlockLen - i;
104 invalid = (outputLen > maxOutputLen) || invalid;
109 memcpy (output, pkcsBlock+i, outputLen);
115 #ifndef CRYPTOPP_IMPORTS
117 void PKCS1v15_SignatureMessageEncodingMethod::ComputeMessageRepresentative(
RandomNumberGenerator &rng,
118 const byte *recoverableMessage,
size_t recoverableMessageLength,
120 byte *representative,
size_t representativeBitLength)
const
122 CRYPTOPP_UNUSED(rng), CRYPTOPP_UNUSED(recoverableMessage), CRYPTOPP_UNUSED(recoverableMessageLength);
123 CRYPTOPP_UNUSED(messageEmpty), CRYPTOPP_UNUSED(hashIdentifier);
126 size_t pkcsBlockLen = representativeBitLength;
128 if (pkcsBlockLen % 8 != 0)
130 representative[0] = 0;
135 representative[0] = 1;
138 byte *pPadding = representative + 1;
139 byte *pDigest = representative + pkcsBlockLen - digestSize;
140 byte *pHashId = pDigest - hashIdentifier.second;
141 byte *pSeparator = pHashId - 1;
144 memset(pPadding, 0xff, pSeparator-pPadding);
146 memcpy(pHashId, hashIdentifier.first, hashIdentifier.second);