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| author | George Hazan <george.hazan@gmail.com> | 2016-01-26 08:28:32 +0000 |
|---|---|---|
| committer | George Hazan <george.hazan@gmail.com> | 2016-01-26 08:28:32 +0000 |
| commit | 2a82a9154f9d6e0b5658c82cd346051017339a1e (patch) | |
| tree | 8321c2d1897d4026e68064241014eef4a57ddc9d /libs/libaxolotl/src/curve25519/ed25519/ge_tobytes.c | |
| parent | 80148955f82c205cc94f0112e0fbfe8f91bc4330 (diff) | |
libaxolotl - initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@16169 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'libs/libaxolotl/src/curve25519/ed25519/ge_tobytes.c')
| -rw-r--r-- | libs/libaxolotl/src/curve25519/ed25519/ge_tobytes.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libs/libaxolotl/src/curve25519/ed25519/ge_tobytes.c b/libs/libaxolotl/src/curve25519/ed25519/ge_tobytes.c new file mode 100644 index 0000000000..31b3d33e09 --- /dev/null +++ b/libs/libaxolotl/src/curve25519/ed25519/ge_tobytes.c @@ -0,0 +1,14 @@ +#include "ge.h" + +void ge_tobytes(unsigned char *s,const ge_p2 *h) +{ + fe recip; + fe x; + fe y; + + fe_invert(recip,h->Z); + fe_mul(x,h->X,recip); + fe_mul(y,h->Y,recip); + fe_tobytes(s,y); + s[31] ^= fe_isnegative(x) << 7; +} |