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>
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
// cmac.h - originally written and placed in the public domain by Wei Dai
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/// \file cmac.h
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/// \brief Classes for CMAC message authentication code
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/// \since Crypto++ 5.6.0
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#ifndef CRYPTOPP_CMAC_H
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#define CRYPTOPP_CMAC_H
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#include "seckey.h"
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#include "secblock.h"
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/// \brief Enable CMAC and wide block ciphers
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/// \details CMAC is only defined for AES. The library can support wide
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/// block ciphers like Kaylna and Threefish since we know the polynomials.
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#ifndef CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS
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# define CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS 1
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#endif // CRYPTOPP_CMAC_WIDE_BLOCK_CIPHERS
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NAMESPACE_BEGIN(CryptoPP)
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/// \brief CMAC base implementation
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/// \since Crypto++ 5.6.0
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class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CMAC_Base : public MessageAuthenticationCode
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{
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public:
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virtual ~CMAC_Base() {}
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CMAC_Base() : m_counter(0) {}
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void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms);
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void Update(const byte *input, size_t length);
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void TruncatedFinal(byte *mac, size_t size);
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unsigned int DigestSize() const {return GetCipher().BlockSize();}
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unsigned int OptimalBlockSize() const {return GetCipher().BlockSize();}
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unsigned int OptimalDataAlignment() const {return GetCipher().OptimalDataAlignment();}
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std::string AlgorithmProvider() const {return GetCipher().AlgorithmProvider();}
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protected:
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friend class EAX_Base;
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const BlockCipher & GetCipher() const {return const_cast<CMAC_Base*>(this)->AccessCipher();}
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virtual BlockCipher & AccessCipher() =0;
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void ProcessBuf();
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SecByteBlock m_reg;
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unsigned int m_counter;
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};
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/// \brief CMAC message authentication code
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/// \tparam T block cipher
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/// \details Template parameter T should be a class derived from BlockCipherDocumentation, for example AES, with a block size of 8, 16, or 32.
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/// \sa <a href="http://www.cryptolounge.org/wiki/CMAC">CMAC</a>
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/// \since Crypto++ 5.6.0
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template <class T>
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class CMAC : public MessageAuthenticationCodeImpl<CMAC_Base, CMAC<T> >, public SameKeyLengthAs<T>
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{
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public:
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/// \brief Construct a CMAC
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CMAC() {}
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/// \brief Construct a CMAC
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/// \param key the MAC key
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/// \param length the key size, in bytes
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CMAC(const byte *key, size_t length=SameKeyLengthAs<T>::DEFAULT_KEYLENGTH)
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{this->SetKey(key, length);}
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static std::string StaticAlgorithmName() {return std::string("CMAC(") + T::StaticAlgorithmName() + ")";}
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private:
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BlockCipher & AccessCipher() {return m_cipher;}
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typename T::Encryption m_cipher;
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};
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NAMESPACE_END
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#endif
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