Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/isc/safe.c b/lib/isc/safe.c
new file mode 100644
index 0000000..988034d
--- /dev/null
+++ b/lib/isc/safe.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <openssl/crypto.h>
+
+#include <isc/safe.h>
+
+int
+isc_safe_memequal(const void *s1, const void *s2, size_t len) {
+	return (!CRYPTO_memcmp(s1, s2, len));
+}
+
+void
+isc_safe_memwipe(void *ptr, size_t len) {
+	OPENSSL_cleanse(ptr, len);
+}