1 // Crypto/Sha1Cls.h 2 3 #ifndef ZIP7_INC_CRYPTO_SHA1_CLS_H 4 #define ZIP7_INC_CRYPTO_SHA1_CLS_H 5 6 #include "../../../C/Sha1.h" 7 8 namespace NCrypto { 9 namespace NSha1 { 10 11 const unsigned kNumBlockWords = SHA1_NUM_BLOCK_WORDS; 12 const unsigned kNumDigestWords = SHA1_NUM_DIGEST_WORDS; 13 14 const unsigned kBlockSize = SHA1_BLOCK_SIZE; 15 const unsigned kDigestSize = SHA1_DIGEST_SIZE; 16 17 class CContext 18 { 19 CSha1 _s; 20 21 public: Init()22 void Init() throw() { Sha1_Init(&_s); } Update(const Byte * data,size_t size)23 void Update(const Byte *data, size_t size) throw() { Sha1_Update(&_s, data, size); } Final(Byte * digest)24 void Final(Byte *digest) throw() { Sha1_Final(&_s, digest); } PrepareBlock(Byte * block,unsigned size)25 void PrepareBlock(Byte *block, unsigned size) const throw() 26 { 27 Sha1_PrepareBlock(&_s, block, size); 28 } GetBlockDigest(const Byte * blockData,Byte * destDigest)29 void GetBlockDigest(const Byte *blockData, Byte *destDigest) const throw() 30 { 31 Sha1_GetBlockDigest(&_s, blockData, destDigest); 32 } 33 }; 34 35 }} 36 37 #endif 38