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| author | Adam Ierymenko <adam.ierymenko@zerotier.com> | 2018-04-25 06:39:02 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-25 06:39:02 -0700 |
| commit | 42ec780a6f6eedef4d8b1d8218bd72fc6ed75cc0 (patch) | |
| tree | 7bf86c4d92d6a0f77eced79bfc33313c62c7b6dd /ext/ed25519-amd64-asm/ge25519_pack.c | |
| parent | 18c9dc8a0649c866eff9f299f20fa5b19c502e52 (diff) | |
| parent | 4608880fb06700822d01e9e5d6729fcdeb82b64b (diff) | |
| download | infinitytier-42ec780a6f6eedef4d8b1d8218bd72fc6ed75cc0.tar.gz infinitytier-42ec780a6f6eedef4d8b1d8218bd72fc6ed75cc0.zip | |
Merge branch 'dev' into netbsd-support
Diffstat (limited to 'ext/ed25519-amd64-asm/ge25519_pack.c')
| -rw-r--r-- | ext/ed25519-amd64-asm/ge25519_pack.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ext/ed25519-amd64-asm/ge25519_pack.c b/ext/ed25519-amd64-asm/ge25519_pack.c new file mode 100644 index 00000000..f289fe57 --- /dev/null +++ b/ext/ed25519-amd64-asm/ge25519_pack.c @@ -0,0 +1,13 @@ +#include "fe25519.h" +#include "sc25519.h" +#include "ge25519.h" + +void ge25519_pack(unsigned char r[32], const ge25519_p3 *p) +{ + fe25519 tx, ty, zi; + fe25519_invert(&zi, &p->z); + fe25519_mul(&tx, &p->x, &zi); + fe25519_mul(&ty, &p->y, &zi); + fe25519_pack(r, &ty); + r[31] ^= fe25519_getparity(&tx) << 7; +} |