From: Matt Caswell <matt@openssl.org>
Date: Wed, 4 Nov 2015 22:54:29 +0000 (+0000)
Subject: Add have_precompute_mult tests
X-Git-Tag: OpenSSL_1_0_2g~47
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1e9446bf5c85486919fc54b15cc67e913a979eca;p=oweals%2Fopenssl.git

Add have_precompute_mult tests

Add tests for have_precompute_mult for the optimised curves (nistp224,
nistp256 and nistp521) if present

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 8ce4e7e605577cb5818de068e2c6da60901cddba)
---

diff --git a/crypto/ec/ectest.c b/crypto/ec/ectest.c
index efab0b07b1..40a1f00325 100644
--- a/crypto/ec/ectest.c
+++ b/crypto/ec/ectest.c
@@ -1758,9 +1758,18 @@ static void nistp_single_test(const struct nistp_test_params *test)
     if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
         ABORT;
 
+    /*
+     * We have not performed precomputation so have_precompute mult should be
+     * false
+     */
+    if (EC_GROUP_have_precompute_mult(NISTP))
+        ABORT;
+
     /* now repeat all tests with precomputation */
     if (!EC_GROUP_precompute_mult(NISTP, ctx))
         ABORT;
+    if (!EC_GROUP_have_precompute_mult(NISTP))
+        ABORT;
 
     /* fixed point multiplication */
     EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);