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added doxygen doc to sha256

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This commit is contained in:
Christian Mehlis 2013-08-09 21:57:24 +02:00
parent eda3be3316
commit 870480049f
1 changed files with 24 additions and 3 deletions
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27
sys/include/sha256.h
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@ -40,8 +40,29 @@ typedef struct SHA256Context {
unsigned char buf[64];
} SHA256_CTX;
void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX *, const void *, size_t);
void SHA256_Final(unsigned char[32], SHA256_CTX *);
/**
* @brief SHA-256 initialization. Begins a SHA-256 operation.
*
* @param ctx SHA256_CTX handle to init
*/
void SHA256_Init(SHA256_CTX *ctx);
/**
* @brief Add bytes into the hash
*
* @param ctx SHA256_CTX handle to use
* @param in pointer to the input buffer
* @param len length of the buffer
*/
void SHA256_Update(SHA256_CTX *ctx, const void *in, size_t len);
/**
* @brief SHA-256 finalization. Pads the input data, exports the hash value,
* and clears the context state.
*
* @param digest resulting digest, this is the hash of all the bytes
* @param ctx SHA256_CTX handle to use
*/
void SHA256_Final(unsigned char digest[32], SHA256_CTX *ctx);
#endif /* !_SHA256_H_ */