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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_APDU_APDU_RESPONSE_H_
#define COMPONENTS_APDU_APDU_RESPONSE_H_
#include <stdint.h>
#include <optional>
#include <vector>
#include "base/component_export.h"
#include "base/containers/span.h"
#include "base/gtest_prod_util.h"
namespace apdu {
// APDU responses are defined as part of ISO 7816-4. Serialized responses
// consist of a data field of varying length, up to a maximum 65536, and a
// two byte status field.
class COMPONENT_EXPORT(APDU) ApduResponse {
public:
// Status bytes are specified in ISO 7816-4.
enum class Status : uint16_t {
SW_NO_ERROR = 0x9000,
SW_CONDITIONS_NOT_SATISFIED = 0x6985,
SW_COMMAND_NOT_ALLOWED = 0x6986,
SW_WRONG_DATA = 0x6A80,
SW_WRONG_LENGTH = 0x6700,
SW_INS_NOT_SUPPORTED = 0x6D00,
};
// Create a APDU response from the serialized message.
static std::optional<ApduResponse> CreateFromMessage(
base::span<const uint8_t> data);
ApduResponse(std::vector<uint8_t> data, Status response_status);
ApduResponse(ApduResponse&& that);
ApduResponse& operator=(ApduResponse&& that);
ApduResponse(const ApduResponse&) = delete;
ApduResponse& operator=(const ApduResponse&) = delete;
~ApduResponse();
std::vector<uint8_t> GetEncodedResponse() const;
const std::vector<uint8_t>& data() const { return data_; }
Status status() const { return response_status_; }
private:
FRIEND_TEST_ALL_PREFIXES(ApduTest, TestDeserializeResponse);
std::vector<uint8_t> data_;
Status response_status_;
};
} // namespace apdu
#endif // COMPONENTS_APDU_APDU_RESPONSE_H_
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