src/include/sha256.h


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#ifndef SHA256_H
#define SHA256_H

#include <stddef.h>
#include <stdint.h>

typedef struct {
  uint8_t data[64];
  uint32_t datalen;
  uint32_t bitlen[2];
  uint32_t state[8];
} sha256_ctx;

static void sha256_init(sha256_ctx *ctx);
static void sha256_transform(sha256_ctx *ctx, uint8_t *data);
static void sha256_update(sha256_ctx *ctx, uint8_t *data, uint32_t len);
static void sha256_final(uint8_t *hash, sha256_ctx *ctx);
extern void sha256_hash(char *hash, const char *data, size_t len);

#endif