Coverage Report

Created: 2025-07-11 06:15

/src/tpm2/Marshal_RSA_Decrypt.c
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// Copyright 2015 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// THIS CODE IS GENERATED - DO NOT MODIFY!
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#include "MemoryLib_fp.h"
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#include "RSA_Decrypt_fp.h"
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#if IS_CC_ENABLED(RSA_Decrypt)
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static UINT16 RSA_Decrypt_Out_Marshal(RSA_Decrypt_Out* source,
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                                      TPMI_ST_COMMAND_TAG tag,
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                                      BYTE** buffer,
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                                      INT32* size) {
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  UINT16 total_size = 0;
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  UINT32 parameter_size = 0;
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  BYTE* parameter_size_location;
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  INT32 parameter_size_size = sizeof(UINT32);
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  UINT32 num_response_handles = 0;
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  // Add parameter_size=0 to indicate size of the parameter area. Will be
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  // replaced later by computed parameter_size.
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  if (tag == TPM_ST_SESSIONS) {
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    parameter_size_location = *buffer;
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    // Don't add to total_size, but increment *buffer and decrement *size.
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    UINT32_Marshal(&parameter_size, buffer, size);
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  }
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  // Marshal response parameters.
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  total_size += TPM2B_PUBLIC_KEY_RSA_Marshal(&source->message, buffer, size);
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  // Compute actual parameter_size. Don't add result to total_size.
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  if (tag == TPM_ST_SESSIONS) {
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    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
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    UINT32_Marshal(&parameter_size, &parameter_size_location,
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                   &parameter_size_size);
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  }
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  return total_size;
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}
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#endif
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static TPM_RC RSA_Decrypt_In_Unmarshal(RSA_Decrypt_In* target,
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                                       TPM_HANDLE request_handles[],
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                                       BYTE** buffer,
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                                       INT32* size) {
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  TPM_RC result = TPM_RC_SUCCESS;
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  // Get request handles from request_handles array.
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  target->keyHandle = request_handles[0];
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  // Unmarshal request parameters.
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  result = TPM2B_PUBLIC_KEY_RSA_Unmarshal(&target->cipherText, buffer, size);
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  if (result != TPM_RC_SUCCESS) {
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    return result;
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  }
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  result = TPMT_RSA_DECRYPT_Unmarshal(&target->inScheme, buffer, size);
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  if (result != TPM_RC_SUCCESS) {
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    return result;
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  }
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  result = TPM2B_DATA_Unmarshal(&target->label, buffer, size);
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  if (result != TPM_RC_SUCCESS) {
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    return result;
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  }
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  if ((result == TPM_RC_SUCCESS) && *size) {
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    result = TPM_RC_SIZE;
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  }
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  return result;
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}
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TPM_RC Exec_RSA_Decrypt(TPMI_ST_COMMAND_TAG tag,
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                        BYTE** request_parameter_buffer,
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                        INT32* request_parameter_buffer_size,
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                        TPM_HANDLE request_handles[],
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                        UINT32* response_handle_buffer_size,
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                        UINT32* response_parameter_buffer_size) {
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  TPM_RC result = TPM_RC_SUCCESS;
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  RSA_Decrypt_In in;
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  RSA_Decrypt_Out out;
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#if IS_CC_ENABLED(RSA_Decrypt)
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  BYTE* response_buffer;
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  INT32 response_buffer_size;
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  UINT16 bytes_marshalled;
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  UINT16 num_response_handles = 0;
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#endif
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  *response_handle_buffer_size = 0;
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  *response_parameter_buffer_size = 0;
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  // Unmarshal request parameters to input structure.
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  result =
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      RSA_Decrypt_In_Unmarshal(&in, request_handles, request_parameter_buffer,
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                               request_parameter_buffer_size);
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  if (result != TPM_RC_SUCCESS) {
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    return result;
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  }
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  // Execute command.
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  result = TPM2_RSA_Decrypt(&in, &out);
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  if (result != TPM_RC_SUCCESS) {
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    return result;
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  }
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// Marshal output structure to global response buffer.
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#if IS_CC_ENABLED(RSA_Decrypt)
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  response_buffer = MemoryGetResponseBuffer(TPM_CC_RSA_Decrypt) + 10;
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  response_buffer_size = MAX_RESPONSE_SIZE - 10;
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  bytes_marshalled = RSA_Decrypt_Out_Marshal(&out, tag, &response_buffer,
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                                             &response_buffer_size);
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  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
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  *response_parameter_buffer_size =
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      bytes_marshalled - *response_handle_buffer_size;
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  return TPM_RC_SUCCESS;
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#endif
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  return TPM_RC_COMMAND_CODE;
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}