1 #ifndef crypto_core_salsa20_H
2 #define crypto_core_salsa20_H
3 
4 #include <stddef.h>
5 #include "export.h"
6 
7 #ifdef __cplusplus
8 extern "C" {
9 #endif
10 
11 #define crypto_core_salsa20_OUTPUTBYTES 64U
12 SODIUM_EXPORT
13 size_t crypto_core_salsa20_outputbytes(void);
14 
15 #define crypto_core_salsa20_INPUTBYTES 16U
16 SODIUM_EXPORT
17 size_t crypto_core_salsa20_inputbytes(void);
18 
19 #define crypto_core_salsa20_KEYBYTES 32U
20 SODIUM_EXPORT
21 size_t crypto_core_salsa20_keybytes(void);
22 
23 #define crypto_core_salsa20_CONSTBYTES 16U
24 SODIUM_EXPORT
25 size_t crypto_core_salsa20_constbytes(void);
26 
27 SODIUM_EXPORT
28 int crypto_core_salsa20(unsigned char *out, const unsigned char *in,
29                         const unsigned char *k, const unsigned char *c)
30             __attribute__ ((nonnull(1, 2, 3)));
31 
32 #ifdef __cplusplus
33 }
34 #endif
35 
36 #endif
37