340 lines
13 KiB
C++
340 lines
13 KiB
C++
/*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <keymaster/google_keymaster_messages.h>
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#include <keymaster/google_keymaster_utils.h>
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namespace keymaster {
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size_t KeymasterResponse::SerializedSize() const {
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if (error != KM_ERROR_OK)
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return sizeof(int32_t);
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else
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return sizeof(int32_t) + NonErrorSerializedSize();
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}
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uint8_t* KeymasterResponse::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_uint32_to_buf(buf, end, static_cast<uint32_t>(error));
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if (error == KM_ERROR_OK)
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buf = NonErrorSerialize(buf, end);
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return buf;
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}
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bool KeymasterResponse::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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if (!copy_uint32_from_buf(buf_ptr, end, &error))
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return false;
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if (error != KM_ERROR_OK)
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return true;
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return NonErrorDeserialize(buf_ptr, end);
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}
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size_t SupportedAlgorithmsResponse::NonErrorSerializedSize() const {
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return sizeof(uint32_t) + sizeof(uint32_t) * algorithms_length;
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}
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uint8_t* SupportedAlgorithmsResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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return append_uint32_array_to_buf(buf, end, algorithms, algorithms_length);
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}
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bool SupportedAlgorithmsResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] algorithms;
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algorithms = NULL;
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UniquePtr<keymaster_algorithm_t[]> deserialized_algorithms;
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if (!copy_uint32_array_from_buf(buf_ptr, end, &deserialized_algorithms, &algorithms_length))
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return false;
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algorithms = deserialized_algorithms.release();
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return true;
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}
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GenerateKeyResponse::~GenerateKeyResponse() {
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delete[] key_blob.key_material;
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}
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size_t GenerateKeyResponse::NonErrorSerializedSize() const {
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return sizeof(uint32_t) /* key size */ + key_blob.key_material_size +
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enforced.SerializedSize() + unenforced.SerializedSize();
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}
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uint8_t* GenerateKeyResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_size_and_data_to_buf(buf, end, key_blob.key_material, key_blob.key_material_size);
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buf = enforced.Serialize(buf, end);
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return unenforced.Serialize(buf, end);
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}
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bool GenerateKeyResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_blob.key_material;
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key_blob.key_material = NULL;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!copy_size_and_data_from_buf(buf_ptr, end, &key_blob.key_material_size,
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&deserialized_key_material) ||
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!enforced.Deserialize(buf_ptr, end) || !unenforced.Deserialize(buf_ptr, end))
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return false;
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key_blob.key_material = deserialized_key_material.release();
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return true;
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}
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GetKeyCharacteristicsRequest::~GetKeyCharacteristicsRequest() {
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delete[] key_blob.key_material;
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}
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void GetKeyCharacteristicsRequest::SetKeyMaterial(const void* key_material, size_t length) {
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delete[] key_blob.key_material;
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key_blob.key_material = dup_buffer(key_material, length);
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key_blob.key_material_size = length;
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}
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size_t GetKeyCharacteristicsRequest::SerializedSize() const {
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return sizeof(uint32_t) /* key blob size */ + key_blob.key_material_size +
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additional_params.SerializedSize();
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}
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uint8_t* GetKeyCharacteristicsRequest::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_size_and_data_to_buf(buf, end, key_blob.key_material, key_blob.key_material_size);
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return additional_params.Serialize(buf, end);
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}
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bool GetKeyCharacteristicsRequest::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_blob.key_material;
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key_blob.key_material = NULL;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!copy_size_and_data_from_buf(buf_ptr, end, &key_blob.key_material_size,
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&deserialized_key_material) ||
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!additional_params.Deserialize(buf_ptr, end))
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return false;
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key_blob.key_material = deserialized_key_material.release();
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return true;
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}
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size_t GetKeyCharacteristicsResponse::NonErrorSerializedSize() const {
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return enforced.SerializedSize() + unenforced.SerializedSize();
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}
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uint8_t* GetKeyCharacteristicsResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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buf = enforced.Serialize(buf, end);
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return unenforced.Serialize(buf, end);
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}
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bool GetKeyCharacteristicsResponse::NonErrorDeserialize(const uint8_t** buf_ptr,
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const uint8_t* end) {
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return enforced.Deserialize(buf_ptr, end) && unenforced.Deserialize(buf_ptr, end);
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}
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void BeginOperationRequest::SetKeyMaterial(const void* key_material, size_t length) {
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delete[] key_blob.key_material;
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key_blob.key_material = dup_buffer(key_material, length);
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key_blob.key_material_size = length;
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}
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size_t BeginOperationRequest::SerializedSize() const {
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return sizeof(uint32_t) /* purpose */ + sizeof(uint32_t) /* key length */ +
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key_blob.key_material_size + additional_params.SerializedSize();
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}
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uint8_t* BeginOperationRequest::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_uint32_to_buf(buf, end, purpose);
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buf = append_size_and_data_to_buf(buf, end, key_blob.key_material, key_blob.key_material_size);
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return additional_params.Serialize(buf, end);
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}
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bool BeginOperationRequest::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_blob.key_material;
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key_blob.key_material = 0;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!copy_uint32_from_buf(buf_ptr, end, &purpose) ||
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!copy_size_and_data_from_buf(buf_ptr, end, &key_blob.key_material_size,
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&deserialized_key_material) ||
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!additional_params.Deserialize(buf_ptr, end))
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return false;
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key_blob.key_material = deserialized_key_material.release();
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return true;
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}
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size_t BeginOperationResponse::NonErrorSerializedSize() const {
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return sizeof(op_handle);
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}
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uint8_t* BeginOperationResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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return append_uint64_to_buf(buf, end, op_handle);
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}
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bool BeginOperationResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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return copy_uint64_from_buf(buf_ptr, end, &op_handle);
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}
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size_t UpdateOperationRequest::SerializedSize() const {
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return sizeof(op_handle) + input.SerializedSize();
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}
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uint8_t* UpdateOperationRequest::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_uint64_to_buf(buf, end, op_handle);
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return input.Serialize(buf, end);
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}
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bool UpdateOperationRequest::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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return copy_uint64_from_buf(buf_ptr, end, &op_handle) && input.Deserialize(buf_ptr, end);
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}
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size_t UpdateOperationResponse::NonErrorSerializedSize() const {
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return output.SerializedSize();
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}
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uint8_t* UpdateOperationResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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return output.Serialize(buf, end);
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}
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bool UpdateOperationResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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return output.Deserialize(buf_ptr, end);
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}
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size_t FinishOperationRequest::SerializedSize() const {
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return sizeof(op_handle) + signature.SerializedSize();
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}
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uint8_t* FinishOperationRequest::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_uint64_to_buf(buf, end, op_handle);
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return signature.Serialize(buf, end);
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}
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bool FinishOperationRequest::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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return copy_uint64_from_buf(buf_ptr, end, &op_handle) && signature.Deserialize(buf_ptr, end);
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}
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size_t FinishOperationResponse::NonErrorSerializedSize() const {
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return output.SerializedSize();
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}
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uint8_t* FinishOperationResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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return output.Serialize(buf, end);
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}
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bool FinishOperationResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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return output.Deserialize(buf_ptr, end);
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}
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void ImportKeyRequest::SetKeyMaterial(const void* key_material, size_t length) {
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delete[] key_data;
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key_data = dup_buffer(key_material, length);
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key_data_length = length;
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}
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size_t ImportKeyRequest::SerializedSize() const {
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return key_description.SerializedSize() + sizeof(uint32_t) /* key_format */ +
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sizeof(uint32_t) /* key_data_length */ + key_data_length;
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}
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uint8_t* ImportKeyRequest::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = key_description.Serialize(buf, end);
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buf = append_uint32_to_buf(buf, end, key_format);
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return append_size_and_data_to_buf(buf, end, key_data, key_data_length);
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}
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bool ImportKeyRequest::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_data;
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key_data = NULL;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!key_description.Deserialize(buf_ptr, end) ||
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!copy_uint32_from_buf(buf_ptr, end, &key_format) ||
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!copy_size_and_data_from_buf(buf_ptr, end, &key_data_length, &deserialized_key_material))
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return false;
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key_data = deserialized_key_material.release();
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return true;
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}
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void ImportKeyResponse::SetKeyMaterial(const void* key_material, size_t length) {
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delete[] key_blob.key_material;
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key_blob.key_material = dup_buffer(key_material, length);
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key_blob.key_material_size = length;
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}
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size_t ImportKeyResponse::NonErrorSerializedSize() const {
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return sizeof(uint32_t) /* key_material length */ + key_blob.key_material_size +
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enforced.SerializedSize() + unenforced.SerializedSize();
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}
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uint8_t* ImportKeyResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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buf = append_size_and_data_to_buf(buf, end, key_blob.key_material, key_blob.key_material_size);
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buf = enforced.Serialize(buf, end);
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return unenforced.Serialize(buf, end);
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}
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bool ImportKeyResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_blob.key_material;
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key_blob.key_material = NULL;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!copy_size_and_data_from_buf(buf_ptr, end, &key_blob.key_material_size,
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&deserialized_key_material) ||
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!enforced.Deserialize(buf_ptr, end) || !unenforced.Deserialize(buf_ptr, end))
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return false;
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key_blob.key_material = deserialized_key_material.release();
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return true;
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}
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void ExportKeyRequest::SetKeyMaterial(const void* key_material, size_t length) {
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delete[] key_blob.key_material;
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key_blob.key_material = dup_buffer(key_material, length);
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key_blob.key_material_size = length;
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}
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size_t ExportKeyRequest::SerializedSize() const {
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return additional_params.SerializedSize() + sizeof(uint32_t) /* key_format */ +
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sizeof(uint32_t) /* key_material_size */ + key_blob.key_material_size;
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}
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uint8_t* ExportKeyRequest::Serialize(uint8_t* buf, const uint8_t* end) const {
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buf = additional_params.Serialize(buf, end);
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buf = append_uint32_to_buf(buf, end, key_format);
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return append_size_and_data_to_buf(buf, end, key_blob.key_material, key_blob.key_material_size);
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}
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bool ExportKeyRequest::Deserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_blob.key_material;
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key_blob.key_material = NULL;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!additional_params.Deserialize(buf_ptr, end) ||
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!copy_uint32_from_buf(buf_ptr, end, &key_format) ||
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!copy_size_and_data_from_buf(buf_ptr, end, &key_blob.key_material_size,
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&deserialized_key_material))
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return false;
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key_blob.key_material = deserialized_key_material.release();
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return true;
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}
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void ExportKeyResponse::SetKeyMaterial(const void* key_material, size_t length) {
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delete[] key_data;
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key_data = dup_buffer(key_material, length);
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key_data_length = length;
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}
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size_t ExportKeyResponse::NonErrorSerializedSize() const {
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return sizeof(uint32_t) /* key_data_length */ + key_data_length;
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}
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uint8_t* ExportKeyResponse::NonErrorSerialize(uint8_t* buf, const uint8_t* end) const {
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return append_size_and_data_to_buf(buf, end, key_data, key_data_length);
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}
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bool ExportKeyResponse::NonErrorDeserialize(const uint8_t** buf_ptr, const uint8_t* end) {
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delete[] key_data;
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key_data = NULL;
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UniquePtr<uint8_t[]> deserialized_key_material;
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if (!copy_size_and_data_from_buf(buf_ptr, end, &key_data_length, &deserialized_key_material))
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return false;
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key_data = deserialized_key_material.release();
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return true;
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}
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} // namespace keymaster
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