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#ifndef REPREPRO_SHA256_H
#define REPREPRO_SHA256_H
/* Structure to save state of computation between the single steps. */
struct SHA256_Context
{
uint32_t H[8];
uint64_t total;
uint32_t buflen;
char buffer[128]; /* NB: always correctly aligned for uint32_t. */
};
#define SHA256_DIGEST_SIZE 32
void SHA256Init(/*@out@*/struct SHA256_Context *context);
void SHA256Update(struct SHA256_Context *context, const uint8_t *data, size_t len);
void SHA256Final(struct SHA256_Context *context, /*@out@*/uint8_t digest[SHA256_DIGEST_SIZE]);
#endif
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