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sha256.h 592 B
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  • #ifndef _SHA256_H
    #define _SHA256_H
    
    #define SHA256_SUM_LEN	32
    
    
    /* Reset watchdog each time we process this many bytes */
    #define CHUNKSZ_SHA256	(64 * 1024)
    
    
    typedef struct {
    	uint32_t total[2];
    	uint32_t state[8];
    	uint8_t buffer[64];
    } sha256_context;
    
    void sha256_starts(sha256_context * ctx);
    
    void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length);
    
    void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]);
    
    
    void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
    		unsigned char *output, unsigned int chunk_sz);
    
    
    #endif /* _SHA256_H */