00001 #ifndef CRYPTOPP_OAEP_H
00002 #define CRYPTOPP_OAEP_H
00003
00004 #include "pubkey.h"
00005
00006 NAMESPACE_BEGIN(CryptoPP)
00007
00008 extern byte OAEP_P_DEFAULT[];
00009
00010
00011 template <class H, class MGF=P1363_MGF1, byte *P=OAEP_P_DEFAULT, unsigned int PLen=0>
00012 class OAEP : public PK_EncryptionMessageEncodingMethod, public EncryptionStandard
00013 {
00014 public:
00015 static std::string StaticAlgorithmName() {return std::string("OAEP-") + MGF::StaticAlgorithmName() + "(" + H::StaticAlgorithmName() + ")";}
00016 typedef OAEP<H, MGF, P, PLen> EncryptionMessageEncodingMethod;
00017
00018 unsigned int MaxUnpaddedLength(unsigned int paddedLength) const;
00019 void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength) const;
00020 DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw) const;
00021 };
00022
00023 NAMESPACE_END
00024
00025 #endif