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authorRich Salz <rsalz@akamai.com>2015-07-22 06:44:50 -0400
committerRich Salz <rsalz@openssl.org>2015-07-22 14:43:05 -0400
commit9f040d6decca7930e978784c917f731e5c45e8f0 (patch)
treec3e09cfde8f467f10f63ce01e787cd10d4c95bdd /crypto/bn/bn_add.c
parent4445704f912495227e9e99835e94219d7e79684c (diff)
Some cleanups for crypto/bn
Create bn_free_d utility routine and use it. Fix RT3950 Also a missing cleanse, from Loganaden Velvindron (loganaden@gmail.com), who noticed it in a Cloudflare patch. Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/bn/bn_add.c')
-rw-r--r--crypto/bn/bn_add.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/bn/bn_add.c b/crypto/bn/bn_add.c
index a446686c74..0bfc3cc637 100644
--- a/crypto/bn/bn_add.c
+++ b/crypto/bn/bn_add.c
@@ -222,7 +222,8 @@ int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
break;
}
}
- memcpy(rp, ap, sizeof(*rp) * dif);
+ if (dif)
+ memcpy(rp, ap, sizeof(*rp) * dif);
r->top = max;
r->neg = 0;