fw_sha256.h

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#ifndef RCBENCH_FW_SHA256_H
#define RCBENCH_FW_SHA256_H
 
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define FW_SHA256_BYTES 32u
 
typedef struct {
    uint32_t h[8];
    uint64_t bits;        
    uint8_t  block[64];   
    uint32_t fill;        
} fw_sha256_t;
 
void fw_sha256_init(fw_sha256_t *s);
void fw_sha256_add(fw_sha256_t *s, const void *data, size_t n);
void fw_sha256_done(fw_sha256_t *s, uint8_t out[FW_SHA256_BYTES]);

void fw_sha256(const void *data, size_t n, uint8_t out[FW_SHA256_BYTES]);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RCBENCH_FW_SHA256_H */