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// Copyright 2022 Google LLC
//
// 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 "tink/restricted_data.h"
#include <iostream>
#include "absl/log/check.h"
#include "openssl/crypto.h"
#include "tink/subtle/random.h"
#include "tink/util/secret_data.h"
namespace crypto {
namespace tink {
RestrictedData::RestrictedData(int64_t num_random_bytes) {
CHECK_GE(num_random_bytes, 0)
<< "Cannot generate a negative number of random bytes.\n";
secret_ = util::SecretDataFromStringView(
subtle::Random::GetRandomBytes(num_random_bytes));
}
bool RestrictedData::operator==(const RestrictedData& other) const {
if (secret_.size() != other.secret_.size()) {
return false;
}
return CRYPTO_memcmp(secret_.data(), other.secret_.data(), secret_.size()) ==
0;
}
} // namespace tink
} // namespace crypto
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