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authorGluzskiy Alexandr <sss@sss.chaoslab.ru>2017-04-22 23:37:33 +0300
committerGluzskiy Alexandr <sss@sss.chaoslab.ru>2017-04-23 00:19:38 +0300
commit5048672e81f3ee9aa864ef9d736a3d74da051754 (patch)
tree8148405d428027ceab0528cf186a9faf3817b196 /libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c
parentdf4c8656be0e85a69a238f3fc3f4d53568c53828 (diff)
libs: libsignal-c: sync with upstream
Diffstat (limited to 'libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c')
-rw-r--r--libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c b/libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c
index 802a73563d..8f60169bd4 100644
--- a/libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c
+++ b/libs/libaxolotl/src/curve25519/ed25519/additions/vxeddsa.c
@@ -50,7 +50,6 @@ int vxed25519_verify(unsigned char* vrf_out,
fe u;
fe y;
unsigned char ed_pubkey[32];
- unsigned char strict[32];
unsigned char verifybuf[MAX_MSG_LEN + 160]; /* working buffer */
unsigned char verifybuf2[MAX_MSG_LEN + 160]; /* working buffer #2 ?? !!! */
ge_p3 Bv;
@@ -65,10 +64,9 @@ int vxed25519_verify(unsigned char* vrf_out,
NOTE: u=-1 is converted to y=0 since fe_invert is mod-exp
*/
+ if (!fe_isreduced(curve25519_pubkey))
+ return -1;
fe_frombytes(u, curve25519_pubkey);
- fe_tobytes(strict, u);
- if (crypto_verify_32(strict, curve25519_pubkey) != 0)
- return 0;
fe_montx_to_edy(y, u);
fe_tobytes(ed_pubkey, y);