1 // Copyright 2015 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // THIS CODE IS GENERATED - DO NOT MODIFY! 6 7 #include "MemoryLib_fp.h" 8 #include "Hash_fp.h" 9 10 UINT16 Hash_Out_Marshal(Hash_Out* source, 11 TPMI_ST_COMMAND_TAG tag, 12 BYTE** buffer, 13 INT32* size) { 14 UINT16 total_size = 0; 15 UINT32 parameter_size = 0; 16 BYTE* parameter_size_location; 17 INT32 parameter_size_size = sizeof(UINT32); 18 UINT32 num_response_handles = 0; 19 // Add parameter_size=0 to indicate size of the parameter area. Will be 20 // replaced later by computed parameter_size. 21 if (tag == TPM_ST_SESSIONS) { 22 parameter_size_location = *buffer; 23 // Don't add to total_size, but increment *buffer and decrement *size. 24 UINT32_Marshal(¶meter_size, buffer, size); 25 } 26 // Marshal response parameters. 27 total_size += TPM2B_DIGEST_Marshal(&source->outHash, buffer, size); 28 total_size += TPMT_TK_HASHCHECK_Marshal(&source->validation, buffer, size); 29 // Compute actual parameter_size. Don't add result to total_size. 30 if (tag == TPM_ST_SESSIONS) { 31 parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE); 32 UINT32_Marshal(¶meter_size, ¶meter_size_location, 33 ¶meter_size_size); 34 } 35 return total_size; 36 } 37 38 TPM_RC Hash_In_Unmarshal(Hash_In* target, 39 TPM_HANDLE request_handles[], 40 BYTE** buffer, 41 INT32* size) { 42 TPM_RC result = TPM_RC_SUCCESS; 43 // Unmarshal request parameters. 44 result = TPM2B_MAX_BUFFER_Unmarshal(&target->data, buffer, size); 45 if (result != TPM_RC_SUCCESS) { 46 return result; 47 } 48 result = TPMI_ALG_HASH_Unmarshal(&target->hashAlg, buffer, size, FALSE); 49 if (result != TPM_RC_SUCCESS) { 50 return result; 51 } 52 result = TPMI_RH_HIERARCHY_Unmarshal(&target->hierarchy, buffer, size, TRUE); 53 if (result != TPM_RC_SUCCESS) { 54 return result; 55 } 56 if ((result == TPM_RC_SUCCESS) && *size) { 57 result = TPM_RC_SIZE; 58 } 59 return result; 60 } 61 62 TPM_RC Exec_Hash(TPMI_ST_COMMAND_TAG tag, 63 BYTE** request_parameter_buffer, 64 INT32* request_parameter_buffer_size, 65 TPM_HANDLE request_handles[], 66 UINT32* response_handle_buffer_size, 67 UINT32* response_parameter_buffer_size) { 68 TPM_RC result = TPM_RC_SUCCESS; 69 Hash_In in; 70 Hash_Out out; 71 #ifdef TPM_CC_Hash 72 BYTE* response_buffer; 73 INT32 response_buffer_size; 74 UINT16 bytes_marshalled; 75 UINT16 num_response_handles = 0; 76 #endif 77 *response_handle_buffer_size = 0; 78 *response_parameter_buffer_size = 0; 79 // Unmarshal request parameters to input structure. 80 result = Hash_In_Unmarshal(&in, request_handles, request_parameter_buffer, 81 request_parameter_buffer_size); 82 if (result != TPM_RC_SUCCESS) { 83 return result; 84 } 85 // Execute command. 86 result = TPM2_Hash(&in, &out); 87 if (result != TPM_RC_SUCCESS) { 88 return result; 89 } 90 // Marshal output structure to global response buffer. 91 #ifdef TPM_CC_Hash 92 response_buffer = MemoryGetResponseBuffer(TPM_CC_Hash) + 10; 93 response_buffer_size = MAX_RESPONSE_SIZE - 10; 94 bytes_marshalled = 95 Hash_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size); 96 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); 97 *response_parameter_buffer_size = 98 bytes_marshalled - *response_handle_buffer_size; 99 return TPM_RC_SUCCESS; 100 #endif 101 return TPM_RC_COMMAND_CODE; 102 } 103
