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      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 "NV_Certify_fp.h"
      9 
     10 UINT16 NV_Certify_Out_Marshal(NV_Certify_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(&parameter_size, buffer, size);
     25   }
     26   // Marshal response parameters.
     27   total_size += TPM2B_ATTEST_Marshal(&source->certifyInfo, buffer, size);
     28   total_size += TPMT_SIGNATURE_Marshal(&source->signature, 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(&parameter_size, &parameter_size_location,
     33                    &parameter_size_size);
     34   }
     35   return total_size;
     36 }
     37 
     38 TPM_RC NV_Certify_In_Unmarshal(NV_Certify_In* target,
     39                                TPM_HANDLE request_handles[],
     40                                BYTE** buffer,
     41                                INT32* size) {
     42   TPM_RC result = TPM_RC_SUCCESS;
     43   // Get request handles from request_handles array.
     44   target->signHandle = request_handles[0];
     45   target->authHandle = request_handles[1];
     46   target->nvIndex = request_handles[2];
     47   // Unmarshal request parameters.
     48   result = TPM2B_DATA_Unmarshal(&target->qualifyingData, buffer, size);
     49   if (result != TPM_RC_SUCCESS) {
     50     return result;
     51   }
     52   result = TPMT_SIG_SCHEME_Unmarshal(&target->inScheme, buffer, size);
     53   if (result != TPM_RC_SUCCESS) {
     54     return result;
     55   }
     56   result = UINT16_Unmarshal(&target->size, buffer, size);
     57   if (result != TPM_RC_SUCCESS) {
     58     return result;
     59   }
     60   result = UINT16_Unmarshal(&target->offset, buffer, size);
     61   if (result != TPM_RC_SUCCESS) {
     62     return result;
     63   }
     64   if ((result == TPM_RC_SUCCESS) && *size) {
     65     result = TPM_RC_SIZE;
     66   }
     67   return result;
     68 }
     69 
     70 TPM_RC Exec_NV_Certify(TPMI_ST_COMMAND_TAG tag,
     71                        BYTE** request_parameter_buffer,
     72                        INT32* request_parameter_buffer_size,
     73                        TPM_HANDLE request_handles[],
     74                        UINT32* response_handle_buffer_size,
     75                        UINT32* response_parameter_buffer_size) {
     76   TPM_RC result = TPM_RC_SUCCESS;
     77   NV_Certify_In in;
     78   NV_Certify_Out out;
     79 #ifdef TPM_CC_NV_Certify
     80   BYTE* response_buffer;
     81   INT32 response_buffer_size;
     82   UINT16 bytes_marshalled;
     83   UINT16 num_response_handles = 0;
     84 #endif
     85   *response_handle_buffer_size = 0;
     86   *response_parameter_buffer_size = 0;
     87   // Unmarshal request parameters to input structure.
     88   result =
     89       NV_Certify_In_Unmarshal(&in, request_handles, request_parameter_buffer,
     90                               request_parameter_buffer_size);
     91   if (result != TPM_RC_SUCCESS) {
     92     return result;
     93   }
     94   // Execute command.
     95   result = TPM2_NV_Certify(&in, &out);
     96   if (result != TPM_RC_SUCCESS) {
     97     return result;
     98   }
     99 // Marshal output structure to global response buffer.
    100 #ifdef TPM_CC_NV_Certify
    101   response_buffer = MemoryGetResponseBuffer(TPM_CC_NV_Certify) + 10;
    102   response_buffer_size = MAX_RESPONSE_SIZE - 10;
    103   bytes_marshalled = NV_Certify_Out_Marshal(&out, tag, &response_buffer,
    104                                             &response_buffer_size);
    105   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
    106   *response_parameter_buffer_size =
    107       bytes_marshalled - *response_handle_buffer_size;
    108   return TPM_RC_SUCCESS;
    109 #endif
    110   return TPM_RC_COMMAND_CODE;
    111 }
    112