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- // Copyright 2017 The Chromium Authors. All rights reserved.
- // 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 <vector>
- #include "base/component_export.h"
- #include "base/containers/span.h"
- #include "base/gtest_prod_util.h"
- #include "third_party/abseil-cpp/absl/types/optional.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 absl::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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