| /* |
| * Copyright (C) 2019 The LineageOS Project |
| * |
| * 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. |
| */ |
| |
| #include "CryptfsHwUtils.h" |
| |
| #include <algorithm> |
| #include <cstring> |
| |
| namespace vendor { |
| namespace qti { |
| namespace hardware { |
| namespace cryptfshw { |
| namespace V1_0 { |
| namespace implementation { |
| |
| void* secure_memset(void* v, int c, size_t n) { |
| auto p = reinterpret_cast<volatile unsigned char*>(v); |
| while (n--) *p++ = c; |
| return v; |
| } |
| |
| void GetTmpPasswd(const char* passwd, unsigned char* tmp_passwd, size_t buf_len) { |
| secure_memset(tmp_passwd, 0, buf_len); |
| if (passwd) { |
| size_t passwd_len = strnlen(passwd, buf_len); |
| memcpy(tmp_passwd, passwd, passwd_len); |
| } |
| } |
| |
| } // namespace implementation |
| } // namespace V1_0 |
| } // namespace cryptfshw |
| } // namespace hardware |
| } // namespace qti |
| } // namespace vendor |