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/*
* Copyright 2015-2018 Yubico AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef YUBICOM_MEMZERO_H
#define YUBICOM_MEMZERO_H
#ifdef _WIN32
#include <windows.h>
#define insecure_memzero(buf, len) SecureZeroMemory(buf, len)
#elif HAVE_MEMSET_S
#include <string.h>
#define insecure_memzero(buf, len) memset_s(buf, len, 0, len)
#elif HAVE_EXPLICIT_BZERO
#include <string.h>
#define insecure_memzero(buf, len) explicit_bzero(buf, len)
#else
#include <openssl/crypto.h>
#define insecure_memzero(buf, len) OPENSSL_cleanse(buf, len)
#endif
#endif
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