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#ifndef crypto_auth_hmacsha256_H
#define crypto_auth_hmacsha256_H
#include <stddef.h>
#include "crypto_hash_sha256.h"
#include "export.h"
#ifdef __cplusplus
# if __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
typedef struct crypto_auth_hmacsha256_state {
crypto_hash_sha256_state ictx;
crypto_hash_sha256_state octx;
} crypto_auth_hmacsha256_state;
#define crypto_auth_hmacsha256_BYTES 32U
SODIUM_EXPORT
size_t crypto_auth_hmacsha256_bytes(void);
#define crypto_auth_hmacsha256_KEYBYTES 32U
SODIUM_EXPORT
size_t crypto_auth_hmacsha256_keybytes(void);
SODIUM_EXPORT
int crypto_auth_hmacsha256(unsigned char *out,
const unsigned char *in,
unsigned long long inlen,
const unsigned char *k);
SODIUM_EXPORT
int crypto_auth_hmacsha256_verify(const unsigned char *h,
const unsigned char *in,
unsigned long long inlen,
const unsigned char *k);
SODIUM_EXPORT
int crypto_auth_hmacsha256_init(crypto_auth_hmacsha256_state *state,
const unsigned char *key,
size_t keylen);
SODIUM_EXPORT
int crypto_auth_hmacsha256_update(crypto_auth_hmacsha256_state *state,
const unsigned char *in,
unsigned long long inlen);
SODIUM_EXPORT
int crypto_auth_hmacsha256_final(crypto_auth_hmacsha256_state *state,
unsigned char *out);
#ifdef __cplusplus
}
#endif
#endif
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