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Name	Size	Permission
core.h	391 B	-rw-r--r--
crypto_aead_aes256gcm.h	7.79 KB	-rw-r--r--
crypto_aead_chacha20poly1305.h	8.58 KB	-rw-r--r--
crypto_aead_xchacha20poly1305....	4.73 KB	-rw-r--r--
crypto_auth.h	1.12 KB	-rw-r--r--
crypto_auth_hmacsha256.h	2.09 KB	-rw-r--r--
crypto_auth_hmacsha512.h	2.07 KB	-rw-r--r--
crypto_auth_hmacsha512256.h	2.08 KB	-rw-r--r--
crypto_box.h	6.68 KB	-rw-r--r--
crypto_box_curve25519xchacha20...	7.77 KB	-rw-r--r--
crypto_box_curve25519xsalsa20p...	4.59 KB	-rw-r--r--
crypto_core_ed25519.h	2.83 KB	-rw-r--r--
crypto_core_hchacha20.h	816 B	-rw-r--r--
crypto_core_hsalsa20.h	804 B	-rw-r--r--
crypto_core_ristretto255.h	3.07 KB	-rw-r--r--
crypto_core_salsa20.h	792 B	-rw-r--r--
crypto_core_salsa2012.h	816 B	-rw-r--r--
crypto_core_salsa208.h	968 B	-rw-r--r--
crypto_generichash.h	2.44 KB	-rw-r--r--
crypto_generichash_blake2b.h	3.87 KB	-rw-r--r--
crypto_hash.h	901 B	-rw-r--r--
crypto_hash_sha256.h	1.46 KB	-rw-r--r--
crypto_hash_sha512.h	1.46 KB	-rw-r--r--
crypto_kdf.h	1.28 KB	-rw-r--r--
crypto_kdf_blake2b.h	1.05 KB	-rw-r--r--
crypto_kx.h	2.15 KB	-rw-r--r--
crypto_onetimeauth.h	1.87 KB	-rw-r--r--
crypto_onetimeauth_poly1305.h	2.15 KB	-rw-r--r--
crypto_pwhash.h	4.85 KB	-rw-r--r--
crypto_pwhash_argon2i.h	3.83 KB	-rw-r--r--
crypto_pwhash_argon2id.h	3.89 KB	-rw-r--r--
crypto_pwhash_scryptsalsa208sh...	4.58 KB	-rw-r--r--
crypto_scalarmult.h	1.16 KB	-rw-r--r--
crypto_scalarmult_curve25519.h	1.07 KB	-rw-r--r--
crypto_scalarmult_ed25519.h	1.37 KB	-rw-r--r--
crypto_scalarmult_ristretto255...	1.09 KB	-rw-r--r--
crypto_secretbox.h	3.24 KB	-rw-r--r--
crypto_secretbox_xchacha20poly...	2.79 KB	-rw-r--r--
crypto_secretbox_xsalsa20poly1...	2.36 KB	-rw-r--r--
crypto_secretstream_xchacha20p...	3.74 KB	-rw-r--r--
crypto_shorthash.h	960 B	-rw-r--r--
crypto_shorthash_siphash24.h	1.21 KB	-rw-r--r--
crypto_sign.h	3.27 KB	-rw-r--r--
crypto_sign_ed25519.h	4.24 KB	-rw-r--r--
crypto_sign_edwards25519sha512...	2 KB	-rw-r--r--
crypto_stream.h	1.57 KB	-rw-r--r--
crypto_stream_chacha20.h	3.59 KB	-rw-r--r--
crypto_stream_salsa20.h	1.79 KB	-rw-r--r--
crypto_stream_salsa2012.h	1.5 KB	-rw-r--r--
crypto_stream_salsa208.h	1.69 KB	-rw-r--r--
crypto_stream_xchacha20.h	1.83 KB	-rw-r--r--
crypto_stream_xsalsa20.h	1.81 KB	-rw-r--r--
crypto_verify_16.h	419 B	-rw-r--r--
crypto_verify_32.h	419 B	-rw-r--r--
crypto_verify_64.h	419 B	-rw-r--r--
export.h	1.32 KB	-rw-r--r--
randombytes.h	1.8 KB	-rw-r--r--
randombytes_internal_random.h	427 B	-rw-r--r--
randombytes_sysrandom.h	282 B	-rw-r--r--
runtime.h	889 B	-rw-r--r--
utils.h	6 KB	-rw-r--r--
version.h	509 B	-rw-r--r--

Code Editor : crypto_aead_aes256gcm.h

#ifndef crypto_aead_aes256gcm_H
#define crypto_aead_aes256gcm_H

/*
 * WARNING: Despite being the most popular AEAD construction due to its
 * use in TLS, safely using AES-GCM in a different context is tricky.
 *
 * No more than ~ 350 GB of input data should be encrypted with a given key.
 * This is for ~ 16 KB messages -- Actual figures vary according to
 * message sizes.
 *
 * In addition, nonces are short and repeated nonces would totally destroy
 * the security of this scheme.
 *
 * Nonces should thus come from atomic counters, which can be difficult to
 * set up in a distributed environment.
 *
 * Unless you absolutely need AES-GCM, use crypto_aead_xchacha20poly1305_ietf_*()
 * instead. It doesn't have any of these limitations.
 * Or, if you don't need to authenticate additional data, just stick to
 * crypto_secretbox().
 */

#include <stddef.h>
#include "export.h"

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

SODIUM_EXPORT
int crypto_aead_aes256gcm_is_available(void);

#define crypto_aead_aes256gcm_KEYBYTES  32U
SODIUM_EXPORT
size_t crypto_aead_aes256gcm_keybytes(void);

#define crypto_aead_aes256gcm_NSECBYTES 0U
SODIUM_EXPORT
size_t crypto_aead_aes256gcm_nsecbytes(void);

#define crypto_aead_aes256gcm_NPUBBYTES 12U
SODIUM_EXPORT
size_t crypto_aead_aes256gcm_npubbytes(void);

#define crypto_aead_aes256gcm_ABYTES    16U
SODIUM_EXPORT
size_t crypto_aead_aes256gcm_abytes(void);

#define crypto_aead_aes256gcm_MESSAGEBYTES_MAX \
    SODIUM_MIN(SODIUM_SIZE_MAX - crypto_aead_aes256gcm_ABYTES, \
               (16ULL * ((1ULL << 32) - 2ULL)))
SODIUM_EXPORT
size_t crypto_aead_aes256gcm_messagebytes_max(void);

typedef struct CRYPTO_ALIGN(16) crypto_aead_aes256gcm_state_ {
    unsigned char opaque[512];
} crypto_aead_aes256gcm_state;

SODIUM_EXPORT
size_t crypto_aead_aes256gcm_statebytes(void);

SODIUM_EXPORT
int crypto_aead_aes256gcm_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_aes256gcm_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_aes256gcm_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_aes256gcm_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)));

/* -- Precomputation interface -- */

SODIUM_EXPORT
int crypto_aead_aes256gcm_beforenm(crypto_aead_aes256gcm_state *ctx_,
                                   const unsigned char *k)
            __attribute__ ((nonnull));

SODIUM_EXPORT
int crypto_aead_aes256gcm_encrypt_afternm(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 crypto_aead_aes256gcm_state *ctx_)
            __attribute__ ((nonnull(1, 8, 9)));

SODIUM_EXPORT
int crypto_aead_aes256gcm_decrypt_afternm(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 crypto_aead_aes256gcm_state *ctx_)
            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(4, 8, 9)));

SODIUM_EXPORT
int crypto_aead_aes256gcm_encrypt_detached_afternm(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 crypto_aead_aes256gcm_state *ctx_)
            __attribute__ ((nonnull(1, 2, 9, 10)));

SODIUM_EXPORT
int crypto_aead_aes256gcm_decrypt_detached_afternm(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 crypto_aead_aes256gcm_state *ctx_)
            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(3, 5, 8, 9)));

SODIUM_EXPORT
void crypto_aead_aes256gcm_keygen(unsigned char k[crypto_aead_aes256gcm_KEYBYTES])
            __attribute__ ((nonnull));

#ifdef __cplusplus
}
#endif

#endif

${this.title}

Code Editor : crypto_aead_aes256gcm.h