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#ifndef crypto_aead_xchacha20poly1305_H
#define crypto_aead_xchacha20poly1305_H
#include <stddef.h>
#include "export.h"
#ifdef __cplusplus
# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
#define crypto_aead_xchacha20poly1305_ietf_KEYBYTES 32U
SODIUM_EXPORT
size_t crypto_aead_xchacha20poly1305_ietf_keybytes(void);
#define crypto_aead_xchacha20poly1305_ietf_NSECBYTES 0U
SODIUM_EXPORT
size_t crypto_aead_xchacha20poly1305_ietf_nsecbytes(void);
#define crypto_aead_xchacha20poly1305_ietf_NPUBBYTES 24U
SODIUM_EXPORT
size_t crypto_aead_xchacha20poly1305_ietf_npubbytes(void);
#define crypto_aead_xchacha20poly1305_ietf_ABYTES 16U
SODIUM_EXPORT
size_t crypto_aead_xchacha20poly1305_ietf_abytes(void);
#define crypto_aead_xchacha20poly1305_ietf_MESSAGEBYTES_MAX \
(SODIUM_SIZE_MAX - crypto_aead_xchacha20poly1305_ietf_ABYTES)
SODIUM_EXPORT
size_t crypto_aead_xchacha20poly1305_ietf_messagebytes_max(void);
SODIUM_EXPORT
int crypto_aead_xchacha20poly1305_ietf_encrypt(unsigned char *c,
unsigned long long *clen_p,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *ad,
unsigned long long adlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k);
SODIUM_EXPORT
int crypto_aead_xchacha20poly1305_ietf_decrypt(unsigned char *m,
unsigned long long *mlen_p,
unsigned char *nsec,
const unsigned char *c,
unsigned long long clen,
const unsigned char *ad,
unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k)
__attribute__ ((warn_unused_result));
SODIUM_EXPORT
int crypto_aead_xchacha20poly1305_ietf_encrypt_detached(unsigned char *c,
unsigned char *mac,
unsigned long long *maclen_p,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *ad,
unsigned long long adlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k);
SODIUM_EXPORT
int crypto_aead_xchacha20poly1305_ietf_decrypt_detached(unsigned char *m,
unsigned char *nsec,
const unsigned char *c,
unsigned long long clen,
const unsigned char *mac,
const unsigned char *ad,
unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k)
__attribute__ ((warn_unused_result));
SODIUM_EXPORT
void crypto_aead_xchacha20poly1305_ietf_keygen(unsigned char k[crypto_aead_xchacha20poly1305_ietf_KEYBYTES]);
/* Aliases */
#define crypto_aead_xchacha20poly1305_IETF_KEYBYTES crypto_aead_xchacha20poly1305_ietf_KEYBYTES
#define crypto_aead_xchacha20poly1305_IETF_NSECBYTES crypto_aead_xchacha20poly1305_ietf_NSECBYTES
#define crypto_aead_xchacha20poly1305_IETF_NPUBBYTES crypto_aead_xchacha20poly1305_ietf_NPUBBYTES
#define crypto_aead_xchacha20poly1305_IETF_ABYTES crypto_aead_xchacha20poly1305_ietf_ABYTES
#define crypto_aead_xchacha20poly1305_IETF_MESSAGEBYTES_MAX crypto_aead_xchacha20poly1305_ietf_MESSAGEBYTES_MAX
#ifdef __cplusplus
}
#endif
#endif
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