1 #ifndef crypto_stream_salsa20_H 2 #define crypto_stream_salsa20_H 3 4 /* 5 * WARNING: This is just a stream cipher. It is NOT authenticated encryption. 6 * While it provides some protection against eavesdropping, it does NOT 7 * provide any security against active attacks. 8 * Unless you know what you're doing, what you are looking for is probably 9 * the crypto_box functions. 10 */ 11 12 #include <stddef.h> 13 #include <stdint.h> 14 #include "export.h" 15 16 #ifdef __cplusplus 17 # ifdef __GNUC__ 18 # pragma GCC diagnostic ignored "-Wlong-long" 19 # endif 20 extern "C" { 21 #endif 22 23 #define crypto_stream_salsa20_KEYBYTES 32U 24 SODIUM_EXPORT 25 size_t crypto_stream_salsa20_keybytes(void); 26 27 #define crypto_stream_salsa20_NONCEBYTES 8U 28 SODIUM_EXPORT 29 size_t crypto_stream_salsa20_noncebytes(void); 30 31 #define crypto_stream_salsa20_MESSAGEBYTES_MAX SODIUM_SIZE_MAX 32 SODIUM_EXPORT 33 size_t crypto_stream_salsa20_messagebytes_max(void); 34 35 SODIUM_EXPORT 36 int crypto_stream_salsa20(unsigned char *c, unsigned long long clen, 37 const unsigned char *n, const unsigned char *k); 38 39 SODIUM_EXPORT 40 int crypto_stream_salsa20_xor(unsigned char *c, const unsigned char *m, 41 unsigned long long mlen, const unsigned char *n, 42 const unsigned char *k); 43 44 SODIUM_EXPORT 45 int crypto_stream_salsa20_xor_ic(unsigned char *c, const unsigned char *m, 46 unsigned long long mlen, 47 const unsigned char *n, uint64_t ic, 48 const unsigned char *k); 49 50 SODIUM_EXPORT 51 void crypto_stream_salsa20_keygen(unsigned char k[crypto_stream_salsa20_KEYBYTES]); 52 53 #ifdef __cplusplus 54 } 55 #endif 56 57 #endif 58
Indexes created Mon Sep 22 05:09:51 GMT 2025