1a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr// Copyright 2015 The Chromium OS Authors. All rights reserved. 2a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr// Use of this source code is governed by a BSD-style license that can be 3a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr// found in the LICENSE file. 4a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr 5a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr// THIS CODE IS GENERATED - DO NOT MODIFY! 6a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr 7a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr#include "MemoryLib_fp.h" 8a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr#include "ECDH_ZGen_fp.h" 9a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr 10a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn BohrUINT16 ECDH_ZGen_Out_Marshal(ECDH_ZGen_Out* source, 11a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr TPMI_ST_COMMAND_TAG tag, 12a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr BYTE** buffer, 13a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr INT32* size) { 14a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT16 total_size = 0; 15a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT32 parameter_size = 0; 16a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr BYTE* parameter_size_location; 17a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr INT32 parameter_size_size = sizeof(UINT32); 18a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT32 num_response_handles = 0; 19a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Add parameter_size=0 to indicate size of the parameter area. Will be 20a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // replaced later by computed parameter_size. 21a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr if (tag == TPM_ST_SESSIONS) { 22a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr parameter_size_location = *buffer; 23a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Don't add to total_size, but increment *buffer and decrement *size. 24a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT32_Marshal(¶meter_size, buffer, size); 25a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr } 26a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Marshal response parameters. 27a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr total_size += TPM2B_ECC_POINT_Marshal(&source->outPoint, buffer, size); 28a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Compute actual parameter_size. Don't add result to total_size. 29a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr if (tag == TPM_ST_SESSIONS) { 30a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE); 31a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT32_Marshal(¶meter_size, ¶meter_size_location, 32a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr ¶meter_size_size); 33a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr } 34a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return total_size; 35a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr} 36a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr 37a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn BohrTPM_RC ECDH_ZGen_In_Unmarshal(ECDH_ZGen_In* target, 38a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr TPM_HANDLE request_handles[], 39a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr BYTE** buffer, 40a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr INT32* size) { 41a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr TPM_RC result = TPM_RC_SUCCESS; 42a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Get request handles from request_handles array. 43a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr target->keyHandle = request_handles[0]; 44a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Unmarshal request parameters. 45a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr result = TPM2B_ECC_POINT_Unmarshal(&target->inPoint, buffer, size); 46a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr if (result != TPM_RC_SUCCESS) { 47a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return result; 48a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr } 493dfffca12cb483bee81b6f65b6aeed027204b8f1Vadim Bendebury if ((result == TPM_RC_SUCCESS) && *size) { 503dfffca12cb483bee81b6f65b6aeed027204b8f1Vadim Bendebury result = TPM_RC_SIZE; 513dfffca12cb483bee81b6f65b6aeed027204b8f1Vadim Bendebury } 52a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return result; 53a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr} 54a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr 55a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn BohrTPM_RC Exec_ECDH_ZGen(TPMI_ST_COMMAND_TAG tag, 56a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr BYTE** request_parameter_buffer, 57a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr INT32* request_parameter_buffer_size, 58a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr TPM_HANDLE request_handles[], 59a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT32* response_handle_buffer_size, 60a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT32* response_parameter_buffer_size) { 61a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr TPM_RC result = TPM_RC_SUCCESS; 62a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr ECDH_ZGen_In in; 63a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr ECDH_ZGen_Out out; 64a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr#ifdef TPM_CC_ECDH_ZGen 65a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr BYTE* response_buffer; 66a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr INT32 response_buffer_size; 67a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT16 bytes_marshalled; 68a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr UINT16 num_response_handles = 0; 69a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr#endif 70a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr *response_handle_buffer_size = 0; 71a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr *response_parameter_buffer_size = 0; 72a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Unmarshal request parameters to input structure. 73a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr result = 74a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr ECDH_ZGen_In_Unmarshal(&in, request_handles, request_parameter_buffer, 75a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr request_parameter_buffer_size); 76a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr if (result != TPM_RC_SUCCESS) { 77a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return result; 78a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr } 79a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr // Execute command. 80a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr result = TPM2_ECDH_ZGen(&in, &out); 81a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr if (result != TPM_RC_SUCCESS) { 82a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return result; 83a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr } 84a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr// Marshal output structure to global response buffer. 85a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr#ifdef TPM_CC_ECDH_ZGen 86a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr response_buffer = MemoryGetResponseBuffer(TPM_CC_ECDH_ZGen) + 10; 87a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr response_buffer_size = MAX_RESPONSE_SIZE - 10; 88a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr bytes_marshalled = 89a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr ECDH_ZGen_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size); 90a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); 91a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr *response_parameter_buffer_size = 92a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr bytes_marshalled - *response_handle_buffer_size; 93a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return TPM_RC_SUCCESS; 94a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr#endif 95a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr return TPM_RC_COMMAND_CODE; 96a4ed3aa64664a1241ea982d685db744caaae3ffaJocelyn Bohr} 97