2 #include "crypto_core_hsalsa20.h"
3 #include "crypto_scalarmult_curve25519.h"
5 static const unsigned char sigma[16] = {
6 'e', 'x', 'p', 'a', 'n', 'd', ' ', '3', '2', '-', 'b', 'y', 't', 'e', ' ', 'k'
8 static const unsigned char n[16] = {0};
10 int crypto_box_beforenm(
12 const unsigned char *pk,
13 const unsigned char *sk
17 crypto_scalarmult_curve25519(s,sk,pk);
18 return crypto_core_hsalsa20(k,n,s,sigma);