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/*
* 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/google_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
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