gerrit.fd Code Review - trex.git/blob

   1 #ifndef crypto_stream_xsalsa20_H
   2 #define crypto_stream_xsalsa20_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 # if __GNUC__
  17 #  pragma GCC diagnostic ignored "-Wlong-long"
  18 # endif
  19 extern "C" {
  20 #endif
  21
  22 #define crypto_stream_xsalsa20_KEYBYTES 32U
  23 SODIUM_EXPORT
  24 size_t crypto_stream_xsalsa20_keybytes(void);
  25
  26 #define crypto_stream_xsalsa20_NONCEBYTES 24U
  27 SODIUM_EXPORT
  28 size_t crypto_stream_xsalsa20_noncebytes(void);
  29
  30 SODIUM_EXPORT
  31 int crypto_stream_xsalsa20(unsigned char *c, unsigned long long clen,
  32                            const unsigned char *n, const unsigned char *k);
  33
  34 SODIUM_EXPORT
  35 int crypto_stream_xsalsa20_xor(unsigned char *c, const unsigned char *m,
  36                                unsigned long long mlen, const unsigned char *n,
  37                                const unsigned char *k);
  38
  39 #ifdef __cplusplus
  40 }
  41 #endif
  42
  43 #endif