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#ifndef crypto_box_curve25519xchacha20poly1305_H
#define crypto_box_curve25519xchacha20poly1305_H
#include <stddef.h>
#include "crypto_stream_xchacha20.h"
#include "export.h"
#ifdef __cplusplus
# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
#define crypto_box_curve25519xchacha20poly1305_SEEDBYTES 32U
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_seedbytes(void);
#define crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES 32U
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_publickeybytes(void);
#define crypto_box_curve25519xchacha20poly1305_SECRETKEYBYTES 32U
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_secretkeybytes(void);
#define crypto_box_curve25519xchacha20poly1305_BEFORENMBYTES 32U
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_beforenmbytes(void);
#define crypto_box_curve25519xchacha20poly1305_NONCEBYTES 24U
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_noncebytes(void);
#define crypto_box_curve25519xchacha20poly1305_MACBYTES 16U
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_macbytes(void);
#define crypto_box_curve25519xchacha20poly1305_MESSAGEBYTES_MAX \
(crypto_stream_xchacha20_MESSAGEBYTES_MAX - crypto_box_curve25519xchacha20poly1305_MACBYTES)
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_messagebytes_max(void);
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_seed_keypair(unsigned char *pk,
unsigned char *sk,
const unsigned char *seed)
__attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_keypair(unsigned char *pk,
unsigned char *sk)
__attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_easy(unsigned char *c,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *pk,
const unsigned char *sk)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(1, 4, 5, 6)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_open_easy(unsigned char *m,
const unsigned char *c,
unsigned long long clen,
const unsigned char *n,
const unsigned char *pk,
const unsigned char *sk)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5, 6)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_detached(unsigned char *c,
unsigned char *mac,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *pk,
const unsigned char *sk)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(1, 2, 5, 6, 7)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_open_detached(unsigned char *m,
const unsigned char *c,
const unsigned char *mac,
unsigned long long clen,
const unsigned char *n,
const unsigned char *pk,
const unsigned char *sk)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 3, 5, 6, 7)));
/* -- Precomputation interface -- */
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_beforenm(unsigned char *k,
const unsigned char *pk,
const unsigned char *sk)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_easy_afternm(unsigned char *c,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *k)
__attribute__ ((nonnull(1, 4, 5)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_open_easy_afternm(unsigned char *m,
const unsigned char *c,
unsigned long long clen,
const unsigned char *n,
const unsigned char *k)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_detached_afternm(unsigned char *c,
unsigned char *mac,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *k)
__attribute__ ((nonnull(1, 2, 5, 6)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_open_detached_afternm(unsigned char *m,
const unsigned char *c,
const unsigned char *mac,
unsigned long long clen,
const unsigned char *n,
const unsigned char *k)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 3, 5, 6)));
/* -- Ephemeral SK interface -- */
#define crypto_box_curve25519xchacha20poly1305_SEALBYTES \
(crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES + \
crypto_box_curve25519xchacha20poly1305_MACBYTES)
SODIUM_EXPORT
size_t crypto_box_curve25519xchacha20poly1305_sealbytes(void);
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_seal(unsigned char *c,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *pk)
__attribute__ ((nonnull(1, 4)));
SODIUM_EXPORT
int crypto_box_curve25519xchacha20poly1305_seal_open(unsigned char *m,
const unsigned char *c,
unsigned long long clen,
const unsigned char *pk,
const unsigned char *sk)
__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5)));
#ifdef __cplusplus
}
#endif
#endif
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