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 "Sign_fp.h" 9 10 UINT16 Sign_Out_Marshal(Sign_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 += TPMT_SIGNATURE_Marshal(&source->signature, buffer, size); 28 // Compute actual parameter_size. Don't add result to total_size. 29 if (tag == TPM_ST_SESSIONS) { 30 parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE); 31 UINT32_Marshal(¶meter_size, ¶meter_size_location, 32 ¶meter_size_size); 33 } 34 return total_size; 35 } 36 37 TPM_RC Sign_In_Unmarshal(Sign_In* target, 38 TPM_HANDLE request_handles[], 39 BYTE** buffer, 40 INT32* size) { 41 TPM_RC result = TPM_RC_SUCCESS; 42 // Get request handles from request_handles array. 43 target->keyHandle = request_handles[0]; 44 // Unmarshal request parameters. 45 result = TPM2B_DIGEST_Unmarshal(&target->digest, buffer, size); 46 if (result != TPM_RC_SUCCESS) { 47 return result; 48 } 49 result = TPMT_SIG_SCHEME_Unmarshal(&target->inScheme, buffer, size); 50 if (result != TPM_RC_SUCCESS) { 51 return result; 52 } 53 result = TPMT_TK_HASHCHECK_Unmarshal(&target->validation, buffer, size); 54 if (result != TPM_RC_SUCCESS) { 55 return result; 56 } 57 if ((result == TPM_RC_SUCCESS) && *size) { 58 result = TPM_RC_SIZE; 59 } 60 return result; 61 } 62 63 TPM_RC Exec_Sign(TPMI_ST_COMMAND_TAG tag, 64 BYTE** request_parameter_buffer, 65 INT32* request_parameter_buffer_size, 66 TPM_HANDLE request_handles[], 67 UINT32* response_handle_buffer_size, 68 UINT32* response_parameter_buffer_size) { 69 TPM_RC result = TPM_RC_SUCCESS; 70 Sign_In in; 71 Sign_Out out; 72 #ifdef TPM_CC_Sign 73 BYTE* response_buffer; 74 INT32 response_buffer_size; 75 UINT16 bytes_marshalled; 76 UINT16 num_response_handles = 0; 77 #endif 78 *response_handle_buffer_size = 0; 79 *response_parameter_buffer_size = 0; 80 // Unmarshal request parameters to input structure. 81 result = Sign_In_Unmarshal(&in, request_handles, request_parameter_buffer, 82 request_parameter_buffer_size); 83 if (result != TPM_RC_SUCCESS) { 84 return result; 85 } 86 // Execute command. 87 result = TPM2_Sign(&in, &out); 88 if (result != TPM_RC_SUCCESS) { 89 return result; 90 } 91 // Marshal output structure to global response buffer. 92 #ifdef TPM_CC_Sign 93 response_buffer = MemoryGetResponseBuffer(TPM_CC_Sign) + 10; 94 response_buffer_size = MAX_RESPONSE_SIZE - 10; 95 bytes_marshalled = 96 Sign_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size); 97 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); 98 *response_parameter_buffer_size = 99 bytes_marshalled - *response_handle_buffer_size; 100 return TPM_RC_SUCCESS; 101 #endif 102 return TPM_RC_COMMAND_CODE; 103 } 104
