blob: 465603e38daa945bf3209748dca18bfdfd65e3e5 [file] [log] [blame]
// Copyright 2020 The Cobalt Authors. All Rights Reserved.
//
// 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 "cobalt/subtlecrypto/crypto_key.h"
#include <algorithm>
namespace cobalt {
namespace subtlecrypto {
const script::Sequence<KeyUsage>& CryptoKey::usages() { return usages_; }
bool CryptoKey::set_usages(const script::Sequence<KeyUsage>& usages) {
usages_.clear();
// TODO: Key usage checking should actually be done per algorithm.
for (auto& usage : usages) {
switch (usage) {
case KeyUsage::kKeyUsageEncrypt:
case KeyUsage::kKeyUsageDecrypt:
case KeyUsage::kKeyUsageSign:
case KeyUsage::kKeyUsageVerify:
usages_.push_back(usage);
default:
break;
}
}
// If all elements were copied, all were valid.
return usages_.size() == usages.size();
}
bool CryptoKey::usage(const KeyUsage& usage) const {
return std::count(usages_.begin(), usages_.end(), usage) > 0;
}
} // namespace subtlecrypto
} // namespace cobalt