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 "RSA_Decrypt_fp.h" 9 10 UINT16 RSA_Decrypt_Out_Marshal(RSA_Decrypt_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_PUBLIC_KEY_RSA_Marshal(&source->message, 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 RSA_Decrypt_In_Unmarshal(RSA_Decrypt_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_PUBLIC_KEY_RSA_Unmarshal(&target->cipherText, buffer, size); 46 if (result != TPM_RC_SUCCESS) { 47 return result; 48 } 49 result = TPMT_RSA_DECRYPT_Unmarshal(&target->inScheme, buffer, size); 50 if (result != TPM_RC_SUCCESS) { 51 return result; 52 } 53 result = TPM2B_DATA_Unmarshal(&target->label, 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_RSA_Decrypt(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 RSA_Decrypt_In in; 71 RSA_Decrypt_Out out; 72 #ifdef TPM_CC_RSA_Decrypt 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 = 82 RSA_Decrypt_In_Unmarshal(&in, request_handles, request_parameter_buffer, 83 request_parameter_buffer_size); 84 if (result != TPM_RC_SUCCESS) { 85 return result; 86 } 87 // Execute command. 88 result = TPM2_RSA_Decrypt(&in, &out); 89 if (result != TPM_RC_SUCCESS) { 90 return result; 91 } 92 // Marshal output structure to global response buffer. 93 #ifdef TPM_CC_RSA_Decrypt 94 response_buffer = MemoryGetResponseBuffer(TPM_CC_RSA_Decrypt) + 10; 95 response_buffer_size = MAX_RESPONSE_SIZE - 10; 96 bytes_marshalled = RSA_Decrypt_Out_Marshal(&out, tag, &response_buffer, 97 &response_buffer_size); 98 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); 99 *response_parameter_buffer_size = 100 bytes_marshalled - *response_handle_buffer_size; 101 return TPM_RC_SUCCESS; 102 #endif 103 return TPM_RC_COMMAND_CODE; 104 } 105
