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authorRich Salz <rsalz@openssl.org>2016-11-08 15:56:04 -0500
committerRich Salz <rsalz@openssl.org>2016-11-08 17:40:17 -0500
commit1bb02559e39cf53ef74656b1965771befcece36a (patch)
tree7ac124463fb6dd4b574749539bb86df0d354dcd7
parentcafe1c7abebad0897fef8710ba3db4dc5b4402d2 (diff)
Zero stack variable with DSA nonce
Thanks to Falko Strenzke for bringing this to our attention. Reviewed-by: Andy Polyakov <appro@openssl.org> (Merged from https://github.com/openssl/openssl/pull/1882) (cherry picked from commit e5e71f2857275189577ab7b227608ab4ec985471)
-rw-r--r--crypto/bn/bn_rand.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/bn/bn_rand.c b/crypto/bn/bn_rand.c
index c577fd169d..9ce4c5f606 100644
--- a/crypto/bn/bn_rand.c
+++ b/crypto/bn/bn_rand.c
@@ -253,5 +253,6 @@ int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range,
err:
OPENSSL_free(k_bytes);
+ OPENSSL_cleanse(private_bytes, sizeof(private_bytes));
return ret;
}