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#ifndef crypto_vrf_H
#define crypto_vrf_H
/*
* THREAD SAFETY: crypto_vrf_keypair() is thread-safe,
* provided that sodium_init() was called before.
*
* Other functions, including crypto_vrf_keypair_from_seed(), are always thread-safe.
*/
#include <stddef.h>
#include "crypto_vrf_rfc9381.h"
#include "export.h"
#ifdef __cplusplus
# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
#define crypto_vrf_PROOFBYTES crypto_vrf_rfc9381_BYTES
SODIUM_EXPORT
size_t crypto_vrf_bytes(void);
#define crypto_vrf_OUTPUTBYTES crypto_vrf_rfc9381_OUTPUTBYTES
SODIUM_EXPORT
size_t crypto_vrf_outputbytes(void);
#define crypto_vrf_SEEDBYTES crypto_vrf_rfc9381_SEEDBYTES
SODIUM_EXPORT
size_t crypto_vrf_seedbytes(void);
#define crypto_vrf_PUBLICKEYBYTES crypto_vrf_rfc9381_PUBLICKEYBYTES
SODIUM_EXPORT
size_t crypto_vrf_publickeybytes(void);
#define crypto_vrf_SECRETKEYBYTES crypto_vrf_rfc9381_SECRETKEYBYTES
SODIUM_EXPORT
size_t crypto_vrf_secretkeybytes(void);
#define crypto_vrf_PRIMITIVE "rfc9381"
SODIUM_EXPORT
const char *crypto_vrf_primitive(void);
SODIUM_EXPORT
int crypto_vrf_keypair(unsigned char *pk, unsigned char *sk)
__attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_vrf_seed_keypair(unsigned char *pk, unsigned char *sk,
const unsigned char *seed)
__attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_vrf_prove(unsigned char *proof, const unsigned char *m,
unsigned long long mlen, const unsigned char *sk)
__attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_vrf_verify(unsigned char *output,
const unsigned char *pk,
const unsigned char *proof,
const unsigned char *m, unsigned long long mlen)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_vrf_proof_to_hash(unsigned char *hash, const unsigned char *proof);
#ifdef __cplusplus
}
#endif
#endif
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