95 lines
3.5 KiB
C
95 lines
3.5 KiB
C
// Copyright 2015 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// THIS CODE IS GENERATED - DO NOT MODIFY!
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#include "MemoryLib_fp.h"
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#include "EC_Ephemeral_fp.h"
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UINT16 EC_Ephemeral_Out_Marshal(EC_Ephemeral_Out* source,
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TPMI_ST_COMMAND_TAG tag,
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BYTE** buffer,
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INT32* size) {
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UINT16 total_size = 0;
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UINT32 parameter_size = 0;
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BYTE* parameter_size_location;
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INT32 parameter_size_size = sizeof(UINT32);
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UINT32 num_response_handles = 0;
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// Add parameter_size=0 to indicate size of the parameter area. Will be
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// replaced later by computed parameter_size.
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if (tag == TPM_ST_SESSIONS) {
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parameter_size_location = *buffer;
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// Don't add to total_size, but increment *buffer and decrement *size.
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UINT32_Marshal(¶meter_size, buffer, size);
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}
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// Marshal response parameters.
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total_size += TPM2B_ECC_POINT_Marshal(&source->Q, buffer, size);
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total_size += UINT16_Marshal(&source->counter, buffer, size);
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// Compute actual parameter_size. Don't add result to total_size.
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if (tag == TPM_ST_SESSIONS) {
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parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
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UINT32_Marshal(¶meter_size, ¶meter_size_location,
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¶meter_size_size);
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}
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return total_size;
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}
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TPM_RC EC_Ephemeral_In_Unmarshal(EC_Ephemeral_In* target,
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TPM_HANDLE request_handles[],
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BYTE** buffer,
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INT32* size) {
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TPM_RC result = TPM_RC_SUCCESS;
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// Unmarshal request parameters.
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result = TPMI_ECC_CURVE_Unmarshal(&target->curveID, buffer, size);
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if (result != TPM_RC_SUCCESS) {
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return result;
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}
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if ((result == TPM_RC_SUCCESS) && *size) {
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result = TPM_RC_SIZE;
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}
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return result;
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}
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TPM_RC Exec_EC_Ephemeral(TPMI_ST_COMMAND_TAG tag,
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BYTE** request_parameter_buffer,
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INT32* request_parameter_buffer_size,
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TPM_HANDLE request_handles[],
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UINT32* response_handle_buffer_size,
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UINT32* response_parameter_buffer_size) {
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TPM_RC result = TPM_RC_SUCCESS;
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EC_Ephemeral_In in;
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EC_Ephemeral_Out out;
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#ifdef TPM_CC_EC_Ephemeral
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BYTE* response_buffer;
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INT32 response_buffer_size;
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UINT16 bytes_marshalled;
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UINT16 num_response_handles = 0;
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#endif
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*response_handle_buffer_size = 0;
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*response_parameter_buffer_size = 0;
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// Unmarshal request parameters to input structure.
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result =
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EC_Ephemeral_In_Unmarshal(&in, request_handles, request_parameter_buffer,
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request_parameter_buffer_size);
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if (result != TPM_RC_SUCCESS) {
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return result;
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}
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// Execute command.
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result = TPM2_EC_Ephemeral(&in, &out);
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if (result != TPM_RC_SUCCESS) {
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return result;
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}
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// Marshal output structure to global response buffer.
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#ifdef TPM_CC_EC_Ephemeral
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response_buffer = MemoryGetResponseBuffer(TPM_CC_EC_Ephemeral) + 10;
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response_buffer_size = MAX_RESPONSE_SIZE - 10;
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bytes_marshalled = EC_Ephemeral_Out_Marshal(&out, tag, &response_buffer,
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&response_buffer_size);
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*response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
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*response_parameter_buffer_size =
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bytes_marshalled - *response_handle_buffer_size;
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return TPM_RC_SUCCESS;
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#endif
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return TPM_RC_COMMAND_CODE;
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}
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