diff options
Diffstat (limited to 'libs/libaxolotl/src/curve25519/ed25519/additions/vopen_modified.c')
| -rw-r--r-- | libs/libaxolotl/src/curve25519/ed25519/additions/vopen_modified.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/libs/libaxolotl/src/curve25519/ed25519/additions/vopen_modified.c b/libs/libaxolotl/src/curve25519/ed25519/additions/vopen_modified.c index 035ec0e0a3..20b85bb155 100644 --- a/libs/libaxolotl/src/curve25519/ed25519/additions/vopen_modified.c +++ b/libs/libaxolotl/src/curve25519/ed25519/additions/vopen_modified.c @@ -16,10 +16,12 @@ int crypto_vsign_open_modified( unsigned char h[32]; unsigned char s[32]; ge_p2 R; - ge_p3 Rv; unsigned char hcheck[64]; unsigned char vrf_output[64]; int count; + ge_p1p1 Rp1p1; + ge_p3 Rv; + ge_cached h_Vnegcached; if (smlen < 96) goto badsig; if (sm[63] & 224) goto badsig; /* strict parsing of h */ @@ -52,13 +54,9 @@ int crypto_vsign_open_modified( ge_scalarmult(&h_Vneg, h, &Vneg); // Rv = (sc * Bv) + (hc * (-V)) - { - ge_p1p1 Rp1p1; - ge_cached h_Vnegcached; - ge_p3_to_cached(&h_Vnegcached, &h_Vneg); - ge_add(&Rp1p1, &s_Bv, &h_Vnegcached); - ge_p1p1_to_p3(&Rv, &Rp1p1); - } + ge_p3_to_cached(&h_Vnegcached, &h_Vneg); + ge_add(&Rp1p1, &s_Bv, &h_Vnegcached); + ge_p1p1_to_p3(&Rv, &Rp1p1); // Check h == SHA512(label(4) || A || V || R || Rv || M) m[0] = 0xFB; // label 4 |