Main Page | Namespace List | Class Hierarchy | Alphabetical List | Compound List | File List | Namespace Members | Compound Members | File Members

# oaep.h

    00001 #ifndef CRYPTOPP_OAEP_H
    00002 #define CRYPTOPP_OAEP_H
    00003
    00004 #include "pubkey.h"
    00005 #include "sha.h"
    00006
    00007 NAMESPACE_BEGIN(CryptoPP)
    00008
    00009 extern byte OAEP_P_DEFAULT[];   // defined in misc.cpp
    00010
    00011 /// <a href="http://www.weidai.com/scan-mirror/ca.html#cem_OAEP-MGF1">EME-OAEP</a>, for use with RSAES
    00012 template <class H, class MGF=P1363_MGF1<H>, byte *P=OAEP_P_DEFAULT, unsigned int PLen=0>
    00013 class OAEP : public PK_PaddingAlgorithm, public EncryptionStandard
    00014 {
    00015 public:
    00016         static std::string StaticAlgorithmName() {return "OAEP-" + MGF::StaticAlgorithmName();}
    00017         typedef OAEP<H, MGF, P, PLen> EncryptionPaddingAlgorithm;
    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;
    00021         DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw) const;
    00022 };
    00023
    00024 CRYPTOPP_DLL_TEMPLATE_CLASS OAEP<SHA>;
    00025
    00026 NAMESPACE_END
    00027
    00028 #endif