00001 #ifndef CRYPTOPP_PKCSPAD_H
00002 #define CRYPTOPP_PKCSPAD_H
00003
00004 #include "cryptlib.h"
00005 #include "pubkey.h"
00006
00007 #ifdef CRYPTOPP_IS_DLL
00008 #include "sha.h"
00009 #endif
00010
00011 NAMESPACE_BEGIN(CryptoPP)
00012
00013
00014 class PKCS_EncryptionPaddingScheme : public PK_EncryptionMessageEncodingMethod
00015 {
00016 public:
00017 static const char * StaticAlgorithmName() {return "EME-PKCS1-v1_5";}
00018
00019 unsigned int MaxUnpaddedLength(unsigned int paddedLength) const;
00020 void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength, const NameValuePairs ¶meters) const;
00021 DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw, const NameValuePairs ¶meters) const;
00022 };
00023
00024 template <class H> class PKCS_DigestDecoration
00025 {
00026 public:
00027 static const byte decoration[];
00028 static const unsigned int length;
00029 };
00030
00031
00032
00033 class SHA;
00034 class MD2;
00035 class MD5;
00036 class RIPEMD160;
00037 class Tiger;
00038 class SHA256;
00039 class SHA384;
00040 class SHA512;
00041
00042
00043
00044 class CRYPTOPP_DLL PKCS1v15_SignatureMessageEncodingMethod : public PK_DeterministicSignatureMessageEncodingMethod
00045 {
00046 public:
00047 static const char * StaticAlgorithmName() {return "EMSA-PKCS1-v1_5";}
00048
00049 void ComputeMessageRepresentative(RandomNumberGenerator &rng,
00050 const byte *recoverableMessage, unsigned int recoverableMessageLength,
00051 HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
00052 byte *representative, unsigned int representativeBitLength) const;
00053
00054 struct HashIdentifierLookup
00055 {
00056 template <class H> struct HashIdentifierLookup2
00057 {
00058 static HashIdentifier Lookup()
00059 {
00060 return HashIdentifier(PKCS_DigestDecoration<H>::decoration, PKCS_DigestDecoration<H>::length);
00061 }
00062 };
00063 };
00064 };
00065
00066
00067
00068
00069
00070
00071
00072 struct PKCS1v15 : public SignatureStandard, public EncryptionStandard
00073 {
00074 typedef PKCS_EncryptionPaddingScheme EncryptionMessageEncodingMethod;
00075 typedef PKCS1v15_SignatureMessageEncodingMethod SignatureMessageEncodingMethod;
00076 };
00077
00078 #ifdef CRYPTOPP_IS_DLL
00079 CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA>;
00080 #endif
00081
00082 NAMESPACE_END
00083
00084 #endif