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#ifndef crypto_onetimeauth_H
#define crypto_onetimeauth_H

#include <stddef.h>

#include "crypto_onetimeauth_poly1305.h"
#include "export.h"

#ifdef __cplusplus
# ifdef __GNUC__
#  pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif

typedef crypto_onetimeauth_poly1305_state crypto_onetimeauth_state;

SODIUM_EXPORT
size_t  crypto_onetimeauth_statebytes(void);

#define crypto_onetimeauth_BYTES crypto_onetimeauth_poly1305_BYTES
SODIUM_EXPORT
size_t  crypto_onetimeauth_bytes(void);

#define crypto_onetimeauth_KEYBYTES crypto_onetimeauth_poly1305_KEYBYTES
SODIUM_EXPORT
size_t  crypto_onetimeauth_keybytes(void);

#define crypto_onetimeauth_PRIMITIVE "poly1305"
SODIUM_EXPORT
const char *crypto_onetimeauth_primitive(void);

SODIUM_EXPORT
int crypto_onetimeauth(unsigned char *out, const unsigned char *in,
                       unsigned long long inlen, const unsigned char *k)
            __attribute__ ((nonnull(1, 4)));

SODIUM_EXPORT
int crypto_onetimeauth_verify(const unsigned char *h, const unsigned char *in,
                              unsigned long long inlen, const unsigned char *k)
            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(1, 4)));

SODIUM_EXPORT
int crypto_onetimeauth_init(crypto_onetimeauth_state *state,
                            const unsigned char *key) __attribute__ ((nonnull));

SODIUM_EXPORT
int crypto_onetimeauth_update(crypto_onetimeauth_state *state,
                              const unsigned char *in,
                              unsigned long long inlen)
            __attribute__ ((nonnull(1)));

SODIUM_EXPORT
int crypto_onetimeauth_final(crypto_onetimeauth_state *state,
                             unsigned char *out) __attribute__ ((nonnull));

SODIUM_EXPORT
void crypto_onetimeauth_keygen(unsigned char k[crypto_onetimeauth_KEYBYTES])
            __attribute__ ((nonnull));

#ifdef __cplusplus
}
#endif

#endif