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/*
* Copyright (C) 2020 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 <keymint_support/key_param_output.h>
#include <iomanip>
#include <keymint_support/keymint_tags.h>
namespace android::hardware::security::keymint {
using ::std::endl;
using ::std::ostream;
ostream& operator<<(ostream& os, const ::std::vector<KeyParameter>& set) {
if (set.size() == 0) {
os << "(Empty)" << endl;
} else {
os << "\n";
for (const auto& elem : set) os << elem << endl;
}
return os;
}
// TODO(seleneh) update this to a parsing that looks at each tags individually
// such as ALGORITHM BLOCK_MODE when aidl union support is added.
ostream& operator<<(ostream& os, const KeyParameter& param) {
os << param.tag << ": ";
switch (typeFromTag(param.tag)) {
case TagType::INVALID:
return os << " Invalid";
case TagType::ENUM_REP:
case TagType::ENUM:
case TagType::UINT_REP:
case TagType::UINT:
return os << param.integer;
case TagType::ULONG_REP:
case TagType::ULONG:
case TagType::DATE:
return os << param.longInteger;
case TagType::BOOL:
return os << "true";
case TagType::BIGNUM:
os << " Bignum: ";
for (size_t i = 0; i < param.blob.size(); ++i) {
os << std::hex << ::std::setw(2) << static_cast<int>(param.blob[i]) << ::std::dec;
}
return os;
case TagType::BYTES:
os << " Bytes: ";
for (size_t i = 0; i < param.blob.size(); ++i) {
os << ::std::hex << ::std::setw(2) << static_cast<int>(param.blob[i]) << ::std::dec;
}
return os;
}
return os << "UNKNOWN TAG TYPE!";
}
} // namespace android::hardware::security::keymint
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