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author | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2002-10-04 17:31:41 +0000 |
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committer | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2002-10-04 17:31:41 +0000 |
commit | b21162cf8e06f40baa1f58be6a8c17435cebc34d (patch) | |
tree | 8b045309c238226c32a563b1df6b9c30a2f0e0b3 /oaep.h | |
download | cryptopp-b21162cf8e06f40baa1f58be6a8c17435cebc34d.tar.gz |
Initial revision
git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@2 57ff6487-cd31-0410-9ec3-f628ee90f5f0
Diffstat (limited to 'oaep.h')
-rw-r--r-- | oaep.h | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -0,0 +1,25 @@ +#ifndef CRYPTOPP_OAEP_H +#define CRYPTOPP_OAEP_H + +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +extern byte OAEP_P_DEFAULT[]; // defined in misc.cpp + +/// <a href="http://www.weidai.com/scan-mirror/ca.html#cem_OAEP-MGF1">EME-OAEP</a>, for use with RSAES +template <class H, class MGF=P1363_MGF1<H>, byte *P=OAEP_P_DEFAULT, unsigned int PLen=0> +class OAEP : public PK_PaddingAlgorithm, public EncryptionStandard +{ +public: + static std::string StaticAlgorithmName() {return "OAEP-" + MGF::StaticAlgorithmName();} + typedef OAEP<H, MGF, P, PLen> EncryptionPaddingAlgorithm; + + unsigned int MaxUnpaddedLength(unsigned int paddedLength) const; + void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength) const; + DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw) const; +}; + +NAMESPACE_END + +#endif |