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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 "ECC_Parameters_fp.h"
      9 
     10 UINT16 ECC_Parameters_Out_Marshal(ECC_Parameters_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 +=
     28       TPMS_ALGORITHM_DETAIL_ECC_Marshal(&source->parameters, 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 ECC_Parameters_In_Unmarshal(ECC_Parameters_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 = TPMI_ECC_CURVE_Unmarshal(&target->curveID, buffer, size);
     45   if (result != TPM_RC_SUCCESS) {
     46     return result;
     47   }
     48   if ((result == TPM_RC_SUCCESS) && *size) {
     49     result = TPM_RC_SIZE;
     50   }
     51   return result;
     52 }
     53 
     54 TPM_RC Exec_ECC_Parameters(TPMI_ST_COMMAND_TAG tag,
     55                            BYTE** request_parameter_buffer,
     56                            INT32* request_parameter_buffer_size,
     57                            TPM_HANDLE request_handles[],
     58                            UINT32* response_handle_buffer_size,
     59                            UINT32* response_parameter_buffer_size) {
     60   TPM_RC result = TPM_RC_SUCCESS;
     61   ECC_Parameters_In in;
     62   ECC_Parameters_Out out;
     63 #ifdef TPM_CC_ECC_Parameters
     64   BYTE* response_buffer;
     65   INT32 response_buffer_size;
     66   UINT16 bytes_marshalled;
     67   UINT16 num_response_handles = 0;
     68 #endif
     69   *response_handle_buffer_size = 0;
     70   *response_parameter_buffer_size = 0;
     71   // Unmarshal request parameters to input structure.
     72   result = ECC_Parameters_In_Unmarshal(&in, request_handles,
     73                                        request_parameter_buffer,
     74                                        request_parameter_buffer_size);
     75   if (result != TPM_RC_SUCCESS) {
     76     return result;
     77   }
     78   // Execute command.
     79   result = TPM2_ECC_Parameters(&in, &out);
     80   if (result != TPM_RC_SUCCESS) {
     81     return result;
     82   }
     83 // Marshal output structure to global response buffer.
     84 #ifdef TPM_CC_ECC_Parameters
     85   response_buffer = MemoryGetResponseBuffer(TPM_CC_ECC_Parameters) + 10;
     86   response_buffer_size = MAX_RESPONSE_SIZE - 10;
     87   bytes_marshalled = ECC_Parameters_Out_Marshal(&out, tag, &response_buffer,
     88                                                 &response_buffer_size);
     89   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
     90   *response_parameter_buffer_size =
     91       bytes_marshalled - *response_handle_buffer_size;
     92   return TPM_RC_SUCCESS;
     93 #endif
     94   return TPM_RC_COMMAND_CODE;
     95 }
     96