26 lines
877 B
C++
26 lines
877 B
C++
#ifndef CRYPTOPP_OAEP_H
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#define CRYPTOPP_OAEP_H
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#include "pubkey.h"
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NAMESPACE_BEGIN(CryptoPP)
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extern byte OAEP_P_DEFAULT[]; // defined in misc.cpp
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/// <a href="http://www.weidai.com/scan-mirror/ca.html#cem_OAEP-MGF1">EME-OAEP</a>, for use with RSAES
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template <class H, class MGF=P1363_MGF1<H>, byte *P=OAEP_P_DEFAULT, unsigned int PLen=0>
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class OAEP : public PK_PaddingAlgorithm, public EncryptionStandard
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{
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public:
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static std::string StaticAlgorithmName() {return "OAEP-" + MGF::StaticAlgorithmName();}
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typedef OAEP<H, MGF, P, PLen> EncryptionPaddingAlgorithm;
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unsigned int MaxUnpaddedLength(unsigned int paddedLength) const;
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void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength) const;
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DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw) const;
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};
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NAMESPACE_END
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#endif
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