diff options
Diffstat (limited to 'libs/libsodium/src/include/sodium/crypto_aead_chacha20poly1305.h')
| -rw-r--r-- | libs/libsodium/src/include/sodium/crypto_aead_chacha20poly1305.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/libs/libsodium/src/include/sodium/crypto_aead_chacha20poly1305.h b/libs/libsodium/src/include/sodium/crypto_aead_chacha20poly1305.h new file mode 100644 index 0000000000..a575ec7173 --- /dev/null +++ b/libs/libsodium/src/include/sodium/crypto_aead_chacha20poly1305.h @@ -0,0 +1,174 @@ +#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) - 64ULL) - crypto_aead_chacha20poly1305_ietf_ABYTES) +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); + +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)); + +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); + +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)); + +SODIUM_EXPORT +void crypto_aead_chacha20poly1305_ietf_keygen(unsigned char k[crypto_aead_chacha20poly1305_ietf_KEYBYTES]); + +/* -- 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); + +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)); + +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); + +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)); + +SODIUM_EXPORT +void crypto_aead_chacha20poly1305_keygen(unsigned char k[crypto_aead_chacha20poly1305_KEYBYTES]); + +/* 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 |