diff options
Diffstat (limited to 'CPP/7zip/Crypto/Hash/Sha256.h')
-rwxr-xr-x | CPP/7zip/Crypto/Hash/Sha256.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/CPP/7zip/Crypto/Hash/Sha256.h b/CPP/7zip/Crypto/Hash/Sha256.h new file mode 100755 index 00000000..e4788f41 --- /dev/null +++ b/CPP/7zip/Crypto/Hash/Sha256.h @@ -0,0 +1,30 @@ +// Crypto/Sha256.h + +#ifndef __CRYPTO_SHA256_H +#define __CRYPTO_SHA256_H + +#include "Common/Types.h" + +namespace NCrypto { +namespace NSha256 { + +class CContext +{ + static const UInt32 K[64]; + + UInt32 _state[8]; + UInt64 _count; + Byte _buffer[64]; + static void Transform(UInt32 *digest, const UInt32 *data); + void WriteByteBlock(); +public: + enum {DIGESTSIZE = 32}; + CContext() { Init(); } ; + void Init(); + void Update(const Byte *data, size_t size); + void Final(Byte *digest); +}; + +}} + +#endif |