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| author | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
|---|---|---|
| committer | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
| commit | 3bf9df6b2785fa6d951086978a3e66f49427166a (patch) | |
| tree | 2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /external/crypto++-5.6.3/sha.h | |
| download | archived-source-engine-2018-hl2-src-master.tar.xz archived-source-engine-2018-hl2-src-master.zip | |
Diffstat (limited to 'external/crypto++-5.6.3/sha.h')
| -rw-r--r-- | external/crypto++-5.6.3/sha.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/external/crypto++-5.6.3/sha.h b/external/crypto++-5.6.3/sha.h new file mode 100644 index 0000000..bf6d122 --- /dev/null +++ b/external/crypto++-5.6.3/sha.h @@ -0,0 +1,70 @@ +// sha.h - written and placed in the public domain by Wei Dai + +//! \file +//! \headerfile sha.h +//! \brief Classes for SHA-1 and SHA-2 family of message digests + +#ifndef CRYPTOPP_SHA_H +#define CRYPTOPP_SHA_H + +#include "config.h" +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a> +class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1> +{ +public: + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word32 *digest, const word32 *data); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";} +}; + +typedef SHA1 SHA; // for backwards compatibility + +//! implements the SHA-256 standard +class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true> +{ +public: +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X32_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) && !defined(CRYPTOPP_DISABLE_SHA_ASM) + size_t HashMultipleBlocks(const word32 *input, size_t length); +#endif + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word32 *digest, const word32 *data); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";} +}; + +//! implements the SHA-224 standard +class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true> +{ +public: +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X32_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) && !defined(CRYPTOPP_DISABLE_SHA_ASM) + size_t HashMultipleBlocks(const word32 *input, size_t length); +#endif + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";} +}; + +//! implements the SHA-512 standard +class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, (CRYPTOPP_BOOL_X86|CRYPTOPP_BOOL_X32)> +{ +public: + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word64 *digest, const word64 *data); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";} +}; + +//! implements the SHA-384 standard +class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, (CRYPTOPP_BOOL_X86|CRYPTOPP_BOOL_X32)> +{ +public: + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-384";} +}; + +NAMESPACE_END + +#endif |