libsodium: Needed for Dnscrypto-proxy Release 1.3.0
[tomato.git] / release / src / router / libsodium / src / libsodium / crypto_sign / ed25519 / ref10 / ge_p3_tobytes.c
blob21cb2fc656d7b22a8561eaedae395360d6d92c70
1 #include "ge.h"
3 void ge_p3_tobytes(unsigned char *s,const ge_p3 *h)
5 fe recip;
6 fe x;
7 fe y;
9 fe_invert(recip,h->Z);
10 fe_mul(x,h->X,recip);
11 fe_mul(y,h->Y,recip);
12 fe_tobytes(s,y);
13 s[31] ^= fe_isnegative(x) << 7;