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 "EncryptDecrypt_fp.h"
9
EncryptDecrypt_Out_Marshal(EncryptDecrypt_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 EncryptDecrypt_Out_Marshal(EncryptDecrypt_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_MAX_BUFFER_Marshal(&source->outData, buffer, size);
28 total_size += TPM2B_IV_Marshal(&source->ivOut, 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(¶meter_size, ¶meter_size_location,
33 ¶meter_size_size);
34 }
35 return total_size;
36 }
37
EncryptDecrypt_In_Unmarshal(EncryptDecrypt_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)38 TPM_RC EncryptDecrypt_In_Unmarshal(EncryptDecrypt_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->keyHandle = request_handles[0];
45 // Unmarshal request parameters.
46 result = TPMI_YES_NO_Unmarshal(&target->decrypt, buffer, size);
47 if (result != TPM_RC_SUCCESS) {
48 return result;
49 }
50 result = TPMI_ALG_SYM_MODE_Unmarshal(&target->mode, buffer, size, TRUE);
51 if (result != TPM_RC_SUCCESS) {
52 return result;
53 }
54 result = TPM2B_IV_Unmarshal(&target->ivIn, buffer, size);
55 if (result != TPM_RC_SUCCESS) {
56 return result;
57 }
58 result = TPM2B_MAX_BUFFER_Unmarshal(&target->inData, buffer, size);
59 if (result != TPM_RC_SUCCESS) {
60 return result;
61 }
62 if ((result == TPM_RC_SUCCESS) && *size) {
63 result = TPM_RC_SIZE;
64 }
65 return result;
66 }
67
Exec_EncryptDecrypt(TPMI_ST_COMMAND_TAG tag,BYTE ** request_parameter_buffer,INT32 * request_parameter_buffer_size,TPM_HANDLE request_handles[],UINT32 * response_handle_buffer_size,UINT32 * response_parameter_buffer_size)68 TPM_RC Exec_EncryptDecrypt(TPMI_ST_COMMAND_TAG tag,
69 BYTE** request_parameter_buffer,
70 INT32* request_parameter_buffer_size,
71 TPM_HANDLE request_handles[],
72 UINT32* response_handle_buffer_size,
73 UINT32* response_parameter_buffer_size) {
74 TPM_RC result = TPM_RC_SUCCESS;
75 EncryptDecrypt_In in;
76 EncryptDecrypt_Out out;
77 #ifdef TPM_CC_EncryptDecrypt
78 BYTE* response_buffer;
79 INT32 response_buffer_size;
80 UINT16 bytes_marshalled;
81 UINT16 num_response_handles = 0;
82 #endif
83 *response_handle_buffer_size = 0;
84 *response_parameter_buffer_size = 0;
85 // Unmarshal request parameters to input structure.
86 result = EncryptDecrypt_In_Unmarshal(&in, request_handles,
87 request_parameter_buffer,
88 request_parameter_buffer_size);
89 if (result != TPM_RC_SUCCESS) {
90 return result;
91 }
92 // Execute command.
93 result = TPM2_EncryptDecrypt(&in, &out);
94 if (result != TPM_RC_SUCCESS) {
95 return result;
96 }
97 // Marshal output structure to global response buffer.
98 #ifdef TPM_CC_EncryptDecrypt
99 response_buffer = MemoryGetResponseBuffer(TPM_CC_EncryptDecrypt) + 10;
100 response_buffer_size = MAX_RESPONSE_SIZE - 10;
101 bytes_marshalled = EncryptDecrypt_Out_Marshal(&out, tag, &response_buffer,
102 &response_buffer_size);
103 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
104 *response_parameter_buffer_size =
105 bytes_marshalled - *response_handle_buffer_size;
106 return TPM_RC_SUCCESS;
107 #endif
108 return TPM_RC_COMMAND_CODE;
109 }
110