1 #ifndef crypto_onetimeauth_poly1305_H 2 #define crypto_onetimeauth_poly1305_H 3 4 #ifdef __cplusplus 5 # ifdef __GNUC__ 6 # pragma GCC diagnostic ignored "-Wlong-long" 7 # endif 8 extern "C" { 9 #endif 10 11 #include <stdint.h> 12 #include <stdio.h> 13 #include <stdlib.h> 14 15 #include <sys/types.h> 16 17 #include "export.h" 18 19 typedef struct CRYPTO_ALIGN(16) crypto_onetimeauth_poly1305_state { 20 unsigned char opaque[256]; 21 } crypto_onetimeauth_poly1305_state; 22 23 SODIUM_EXPORT 24 size_t crypto_onetimeauth_poly1305_statebytes(void); 25 26 #define crypto_onetimeauth_poly1305_BYTES 16U 27 SODIUM_EXPORT 28 size_t crypto_onetimeauth_poly1305_bytes(void); 29 30 #define crypto_onetimeauth_poly1305_KEYBYTES 32U 31 SODIUM_EXPORT 32 size_t crypto_onetimeauth_poly1305_keybytes(void); 33 34 SODIUM_EXPORT 35 int crypto_onetimeauth_poly1305(unsigned char *out, 36 const unsigned char *in, 37 unsigned long long inlen, 38 const unsigned char *k); 39 40 SODIUM_EXPORT 41 int crypto_onetimeauth_poly1305_verify(const unsigned char *h, 42 const unsigned char *in, 43 unsigned long long inlen, 44 const unsigned char *k) 45 __attribute__ ((warn_unused_result)); 46 47 SODIUM_EXPORT 48 int crypto_onetimeauth_poly1305_init(crypto_onetimeauth_poly1305_state *state, 49 const unsigned char *key); 50 51 SODIUM_EXPORT 52 int crypto_onetimeauth_poly1305_update(crypto_onetimeauth_poly1305_state *state, 53 const unsigned char *in, 54 unsigned long long inlen); 55 56 SODIUM_EXPORT 57 int crypto_onetimeauth_poly1305_final(crypto_onetimeauth_poly1305_state *state, 58 unsigned char *out); 59 60 SODIUM_EXPORT 61 void crypto_onetimeauth_poly1305_keygen(unsigned char k[crypto_onetimeauth_poly1305_KEYBYTES]); 62 63 #ifdef __cplusplus 64 } 65 #endif 66 67 #endif 68