Viewing file:  crypto_aead_chacha20poly1305.h (8.58 KB) -rw-r--r--
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#ifndef crypto_aead_chacha20poly1305_H
#define crypto_aead_chacha20poly1305_H
#include <stddef.h>
#include "export.h"
#ifdef __cplusplus
# ifdef __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
/* -- IETF ChaCha20-Poly1305 construction with a 96-bit nonce and a 32-bit internal counter -- */
#define crypto_aead_chacha20poly1305_ietf_KEYBYTES 32U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_ietf_keybytes(void);
#define crypto_aead_chacha20poly1305_ietf_NSECBYTES 0U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_ietf_nsecbytes(void);
#define crypto_aead_chacha20poly1305_ietf_NPUBBYTES 12U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_ietf_npubbytes(void);
#define crypto_aead_chacha20poly1305_ietf_ABYTES 16U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_ietf_abytes(void);
#define crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX \
SODIUM_MIN(SODIUM_SIZE_MAX - crypto_aead_chacha20poly1305_ietf_ABYTES, \
(64ULL * ((1ULL << 32) - 1ULL)))
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_ietf_messagebytes_max(void);
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)
__attribute__ ((nonnull(1, 8, 9)));
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)) __attribute__ ((nonnull(4, 8, 9)));
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)
__attribute__ ((nonnull(1, 2, 9, 10)));
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)) __attribute__ ((nonnull(3, 5, 8, 9)));
SODIUM_EXPORT
void crypto_aead_chacha20poly1305_ietf_keygen(unsigned char k[crypto_aead_chacha20poly1305_ietf_KEYBYTES])
__attribute__ ((nonnull));
/* -- Original ChaCha20-Poly1305 construction with a 64-bit nonce and a 64-bit internal counter -- */
#define crypto_aead_chacha20poly1305_KEYBYTES 32U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_keybytes(void);
#define crypto_aead_chacha20poly1305_NSECBYTES 0U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_nsecbytes(void);
#define crypto_aead_chacha20poly1305_NPUBBYTES 8U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_npubbytes(void);
#define crypto_aead_chacha20poly1305_ABYTES 16U
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_abytes(void);
#define crypto_aead_chacha20poly1305_MESSAGEBYTES_MAX \
(SODIUM_SIZE_MAX - crypto_aead_chacha20poly1305_ABYTES)
SODIUM_EXPORT
size_t crypto_aead_chacha20poly1305_messagebytes_max(void);
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)
__attribute__ ((nonnull(1, 8, 9)));
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)) __attribute__ ((nonnull(4, 8, 9)));
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)
__attribute__ ((nonnull(1, 2, 9, 10)));
SODIUM_EXPORT
int crypto_aead_chacha20poly1305_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)) __attribute__ ((nonnull(3, 5, 8, 9)));
SODIUM_EXPORT
void crypto_aead_chacha20poly1305_keygen(unsigned char k[crypto_aead_chacha20poly1305_KEYBYTES])
__attribute__ ((nonnull));
/* Aliases */
#define crypto_aead_chacha20poly1305_IETF_KEYBYTES crypto_aead_chacha20poly1305_ietf_KEYBYTES
#define crypto_aead_chacha20poly1305_IETF_NSECBYTES crypto_aead_chacha20poly1305_ietf_NSECBYTES
#define crypto_aead_chacha20poly1305_IETF_NPUBBYTES crypto_aead_chacha20poly1305_ietf_NPUBBYTES
#define crypto_aead_chacha20poly1305_IETF_ABYTES crypto_aead_chacha20poly1305_ietf_ABYTES
#define crypto_aead_chacha20poly1305_IETF_MESSAGEBYTES_MAX crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX
#ifdef __cplusplus
}
#endif
#endif
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