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>
45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
// emsa2.cpp - originally written and placed in the public domain by Wei Dai
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#include "pch.h"
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#include "emsa2.h"
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#ifndef CRYPTOPP_IMPORTS
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NAMESPACE_BEGIN(CryptoPP)
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// Inclusion based on DLL due to Clang, http://github.com/weidai11/cryptopp/issues/300
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#ifndef CRYPTOPP_IS_DLL
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template<> const byte EMSA2HashId<SHA1>::id = 0x33;
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template<> const byte EMSA2HashId<SHA224>::id = 0x38;
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template<> const byte EMSA2HashId<SHA256>::id = 0x34;
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template<> const byte EMSA2HashId<SHA384>::id = 0x36;
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template<> const byte EMSA2HashId<SHA512>::id = 0x35;
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#endif
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void EMSA2Pad::ComputeMessageRepresentative(RandomNumberGenerator& /*rng*/,
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const byte* recoverableMessage, size_t recoverableMessageLength,
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HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
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byte *representative, size_t representativeBitLength) const
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{
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CRYPTOPP_UNUSED(recoverableMessage), CRYPTOPP_UNUSED(recoverableMessageLength), CRYPTOPP_UNUSED(representativeBitLength);
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CRYPTOPP_ASSERT(representativeBitLength >= MinRepresentativeBitLength(hashIdentifier.second, hash.DigestSize()));
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if (representativeBitLength % 8 != 7)
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throw PK_SignatureScheme::InvalidKeyLength("EMSA2: EMSA2 requires a key length that is a multiple of 8");
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size_t digestSize = hash.DigestSize();
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size_t representativeByteLength = BitsToBytes(representativeBitLength);
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representative[0] = messageEmpty ? 0x4b : 0x6b;
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memset(representative+1, 0xbb, representativeByteLength-digestSize-4); // pad with 0xbb
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byte *afterP2 = representative+representativeByteLength-digestSize-3;
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afterP2[0] = 0xba;
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hash.Final(afterP2+1);
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representative[representativeByteLength-2] = *hashIdentifier.first;
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representative[representativeByteLength-1] = 0xcc;
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}
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NAMESPACE_END
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#endif
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