181 lines
8.8 KiB
C
181 lines
8.8 KiB
C
#ifndef crypto_aead_chacha20poly1305_H
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#define crypto_aead_chacha20poly1305_H
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#include <stddef.h>
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#include "export.h"
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#ifdef __cplusplus
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# ifdef __GNUC__
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# pragma GCC diagnostic ignored "-Wlong-long"
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# endif
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extern "C" {
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#endif
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/* -- IETF ChaCha20-Poly1305 construction with a 96-bit nonce and a 32-bit internal counter -- */
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#define crypto_aead_chacha20poly1305_ietf_KEYBYTES 32U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_ietf_keybytes(void);
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#define crypto_aead_chacha20poly1305_ietf_NSECBYTES 0U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_ietf_nsecbytes(void);
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#define crypto_aead_chacha20poly1305_ietf_NPUBBYTES 12U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_ietf_npubbytes(void);
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#define crypto_aead_chacha20poly1305_ietf_ABYTES 16U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_ietf_abytes(void);
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#define crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX \
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SODIUM_MIN(SODIUM_SIZE_MAX - crypto_aead_chacha20poly1305_ietf_ABYTES, \
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(64ULL * ((1ULL << 32) - 1ULL)))
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_ietf_messagebytes_max(void);
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_ietf_encrypt(unsigned char *c,
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unsigned long long *clen_p,
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const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *nsec,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((nonnull(1, 8, 9)));
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_ietf_decrypt(unsigned char *m,
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unsigned long long *mlen_p,
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unsigned char *nsec,
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const unsigned char *c,
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unsigned long long clen,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(4, 8, 9)));
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_ietf_encrypt_detached(unsigned char *c,
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unsigned char *mac,
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unsigned long long *maclen_p,
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const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *nsec,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((nonnull(1, 2, 9, 10)));
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_ietf_decrypt_detached(unsigned char *m,
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unsigned char *nsec,
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const unsigned char *c,
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unsigned long long clen,
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const unsigned char *mac,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(3, 5, 8, 9)));
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SODIUM_EXPORT
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void crypto_aead_chacha20poly1305_ietf_keygen(unsigned char k[crypto_aead_chacha20poly1305_ietf_KEYBYTES])
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__attribute__ ((nonnull));
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/* -- Original ChaCha20-Poly1305 construction with a 64-bit nonce and a 64-bit internal counter -- */
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#define crypto_aead_chacha20poly1305_KEYBYTES 32U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_keybytes(void);
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#define crypto_aead_chacha20poly1305_NSECBYTES 0U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_nsecbytes(void);
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#define crypto_aead_chacha20poly1305_NPUBBYTES 8U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_npubbytes(void);
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#define crypto_aead_chacha20poly1305_ABYTES 16U
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_abytes(void);
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#define crypto_aead_chacha20poly1305_MESSAGEBYTES_MAX \
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(SODIUM_SIZE_MAX - crypto_aead_chacha20poly1305_ABYTES)
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SODIUM_EXPORT
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size_t crypto_aead_chacha20poly1305_messagebytes_max(void);
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_encrypt(unsigned char *c,
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unsigned long long *clen_p,
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const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *nsec,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((nonnull(1, 8, 9)));
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_decrypt(unsigned char *m,
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unsigned long long *mlen_p,
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unsigned char *nsec,
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const unsigned char *c,
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unsigned long long clen,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(4, 8, 9)));
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_encrypt_detached(unsigned char *c,
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unsigned char *mac,
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unsigned long long *maclen_p,
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const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *nsec,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((nonnull(1, 2, 9, 10)));
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SODIUM_EXPORT
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int crypto_aead_chacha20poly1305_decrypt_detached(unsigned char *m,
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unsigned char *nsec,
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const unsigned char *c,
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unsigned long long clen,
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const unsigned char *mac,
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const unsigned char *ad,
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unsigned long long adlen,
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const unsigned char *npub,
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const unsigned char *k)
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__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(3, 5, 8, 9)));
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SODIUM_EXPORT
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void crypto_aead_chacha20poly1305_keygen(unsigned char k[crypto_aead_chacha20poly1305_KEYBYTES])
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__attribute__ ((nonnull));
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/* Aliases */
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#define crypto_aead_chacha20poly1305_IETF_KEYBYTES crypto_aead_chacha20poly1305_ietf_KEYBYTES
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#define crypto_aead_chacha20poly1305_IETF_NSECBYTES crypto_aead_chacha20poly1305_ietf_NSECBYTES
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#define crypto_aead_chacha20poly1305_IETF_NPUBBYTES crypto_aead_chacha20poly1305_ietf_NPUBBYTES
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#define crypto_aead_chacha20poly1305_IETF_ABYTES crypto_aead_chacha20poly1305_ietf_ABYTES
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#define crypto_aead_chacha20poly1305_IETF_MESSAGEBYTES_MAX crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX
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#ifdef __cplusplus
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}
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#endif
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#endif
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