From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Thu, 8 Jun 2017 09:15:02 +0000 (+0200)
Subject: _gnutls_x509_privkey_reinit: ensure fields will not be re-used
X-Git-Tag: gnutls_3_6_0~459
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbee503887d2b477a3a974158ec2ccfd41947b0c;p=thirdparty%2Fgnutls.git

_gnutls_x509_privkey_reinit: ensure fields will not be re-used

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
---

diff --git a/lib/x509/privkey.c b/lib/x509/privkey.c
index aa6577bd9b..98c977e76c 100644
--- a/lib/x509/privkey.c
+++ b/lib/x509/privkey.c
@@ -64,6 +64,8 @@ void _gnutls_x509_privkey_reinit(gnutls_x509_privkey_t key)
 {
 	gnutls_pk_params_clear(&key->params);
 	gnutls_pk_params_release(&key->params);
+	/* avoid re-use of fields which may have had some sensible value */
+	memset(&key->params, 0, sizeof(key->params));
 	asn1_delete_structure2(&key->key, ASN1_DELETE_FLAG_ZEROIZE);
 	key->key = ASN1_TYPE_EMPTY;
 }