shenleiandClaude Opus 5.5
a46093104c
- extension/src/{port,platform,codepage} -> src/; native_render -> src/host
(+ dxt, shaders/); libgr2 -> src/gr2; extension/third_party -> third_party
- extension/tests -> tests/port, libgr2/tests -> tests/gr2
- android-native -> android (build.sh, push-client.sh moved in)
- script -> scripts; tools/40250 -> tools/server; oracle -> tools/granny-oracle;
perf tools -> tools/perf
- all build trees under build/ (native, release, android, port-gate)
- xrender:: CMake aliases -> mt::; port-map ledger impl paths rewritten
No code changes. ctest 15/15, port_gate macos+android PASS, port_map check 0 errors.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// oaep.h - originally written and placed in the public domain by Wei Dai
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/// \file oaep.h
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/// \brief Classes for optimal asymmetric encryption padding
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/// \since Crypto++ 2.1
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#ifndef CRYPTOPP_OAEP_H
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#define CRYPTOPP_OAEP_H
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#include "cryptlib.h"
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#include "pubkey.h"
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#include "sha.h"
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NAMESPACE_BEGIN(CryptoPP)
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/// \brief OAEP padding base class
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/// \since Crypto++ 2.1
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class CRYPTOPP_DLL OAEP_Base : public PK_EncryptionMessageEncodingMethod
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{
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public:
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bool ParameterSupported(const char *name) const {return strcmp(name, Name::EncodingParameters()) == 0;}
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size_t MaxUnpaddedLength(size_t paddedLength) const;
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void Pad(RandomNumberGenerator &rng, const byte *raw, size_t inputLength, byte *padded, size_t paddedLength, const NameValuePairs ¶meters) const;
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DecodingResult Unpad(const byte *padded, size_t paddedLength, byte *raw, const NameValuePairs ¶meters) const;
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protected:
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virtual unsigned int DigestSize() const =0;
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virtual HashTransformation * NewHash() const =0;
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virtual MaskGeneratingFunction * NewMGF() const =0;
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};
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/// \brief OAEP padding
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/// \tparam H HashTransformation derived class
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/// \tparam MGF MaskGeneratingFunction derived class
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/// \sa <a href="http://www.weidai.com/scan-mirror/ca.html#cem_OAEP-MGF1">EME-OAEP</a>, for use with classes derived from TF_ES
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/// \since Crypto++ 2.1
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template <class H, class MGF=P1363_MGF1>
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class OAEP : public OAEP_Base, public EncryptionStandard
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{
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public:
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static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string("OAEP-") + MGF::StaticAlgorithmName() + "(" + H::StaticAlgorithmName() + ")";}
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typedef OAEP<H, MGF> EncryptionMessageEncodingMethod;
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protected:
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unsigned int DigestSize() const {return H::DIGESTSIZE;}
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HashTransformation * NewHash() const {return new H;}
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MaskGeneratingFunction * NewMGF() const {return new MGF;}
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};
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CRYPTOPP_DLL_TEMPLATE_CLASS OAEP<SHA1>;
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NAMESPACE_END
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#endif
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