libsodium (1.0.19)
1 #ifndef crypto_stream_salsa2012_H
2 #define crypto_stream_salsa2012_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 "export.h"
14
15 #ifdef __cplusplus
16 # ifdef __GNUC__
17 # pragma GCC diagnostic ignored "-Wlong-long"
18 # endif
19 extern "C" {
20 #endif
21
22 #define crypto_stream_salsa2012_KEYBYTES 32U
23 SODIUM_EXPORT
24 size_t crypto_stream_salsa2012_keybytes(void);
25
26 #define crypto_stream_salsa2012_NONCEBYTES 8U
27 SODIUM_EXPORT
28 size_t crypto_stream_salsa2012_noncebytes(void);
29
30 #define crypto_stream_salsa2012_MESSAGEBYTES_MAX SODIUM_SIZE_MAX
31 SODIUM_EXPORT
32 size_t crypto_stream_salsa2012_messagebytes_max(void);
33
34 SODIUM_EXPORT
35 int crypto_stream_salsa2012(unsigned char *c, unsigned long long clen,
36 const unsigned char *n, const unsigned char *k)
37 __attribute__ ((nonnull));
38
39 SODIUM_EXPORT
40 int crypto_stream_salsa2012_xor(unsigned char *c, const unsigned char *m,
41 unsigned long long mlen, const unsigned char *n,
42 const unsigned char *k)
43 __attribute__ ((nonnull));
44
45 SODIUM_EXPORT
46 void crypto_stream_salsa2012_keygen(unsigned char k[crypto_stream_salsa2012_KEYBYTES])
47 __attribute__ ((nonnull));
48
49 #ifdef __cplusplus
50 }
51 #endif
52
53 #endif
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