| /* |
| * Copyright 2014 The Android Open Source 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 <keymaster/android_keymaster_utils.h> |
| |
| namespace keymaster { |
| |
| uint8_t* dup_buffer(const void* buf, size_t size) { |
| uint8_t* retval = new uint8_t[size]; |
| if (retval != NULL) |
| memcpy(retval, buf, size); |
| return retval; |
| } |
| |
| int memcmp_s(const void* p1, const void* p2, size_t length) { |
| const uint8_t* s1 = static_cast<const uint8_t*>(p1); |
| const uint8_t* s2 = static_cast<const uint8_t*>(p2); |
| uint8_t result = 0; |
| while (length-- > 0) |
| result |= *s1++ ^ *s2++; |
| return result == 0 ? 0 : 1; |
| } |
| |
| } // namespace keymaster |