Viewing file:  crypto_hash_sha256.h (1.46 KB) -rw-r--r--
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#ifndef crypto_hash_sha256_H
#define crypto_hash_sha256_H
/*
* WARNING: Unless you absolutely need to use SHA256 for interoperatibility,
* purposes, you might want to consider crypto_generichash() instead.
* Unlike SHA256, crypto_generichash() is not vulnerable to length
* extension attacks.
*/
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include "export.h"
#ifdef __cplusplus
# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
typedef struct crypto_hash_sha256_state {
uint32_t state[8];
uint64_t count;
uint8_t buf[64];
} crypto_hash_sha256_state;
SODIUM_EXPORT
size_t crypto_hash_sha256_statebytes(void);
#define crypto_hash_sha256_BYTES 32U
SODIUM_EXPORT
size_t crypto_hash_sha256_bytes(void);
SODIUM_EXPORT
int crypto_hash_sha256(unsigned char *out, const unsigned char *in,
unsigned long long inlen) __attribute__ ((nonnull(1)));
SODIUM_EXPORT
int crypto_hash_sha256_init(crypto_hash_sha256_state *state)
__attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_hash_sha256_update(crypto_hash_sha256_state *state,
const unsigned char *in,
unsigned long long inlen)
__attribute__ ((nonnull(1)));
SODIUM_EXPORT
int crypto_hash_sha256_final(crypto_hash_sha256_state *state,
unsigned char *out)
__attribute__ ((nonnull));
#ifdef __cplusplus
}
#endif
#endif
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