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 "ZGen_2Phase_fp.h"
9
ZGen_2Phase_Out_Marshal(ZGen_2Phase_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 ZGen_2Phase_Out_Marshal(ZGen_2Phase_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_ECC_POINT_Marshal(&source->outZ1, buffer, size);
28 total_size += TPM2B_ECC_POINT_Marshal(&source->outZ2, 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
ZGen_2Phase_In_Unmarshal(ZGen_2Phase_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)38 TPM_RC ZGen_2Phase_In_Unmarshal(ZGen_2Phase_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->keyA = request_handles[0];
45 // Unmarshal request parameters.
46 result = TPM2B_ECC_POINT_Unmarshal(&target->inQsB, buffer, size);
47 if (result != TPM_RC_SUCCESS) {
48 return result;
49 }
50 result = TPM2B_ECC_POINT_Unmarshal(&target->inQeB, buffer, size);
51 if (result != TPM_RC_SUCCESS) {
52 return result;
53 }
54 result =
55 TPMI_ECC_KEY_EXCHANGE_Unmarshal(&target->inScheme, buffer, size, FALSE);
56 if (result != TPM_RC_SUCCESS) {
57 return result;
58 }
59 result = UINT16_Unmarshal(&target->counter, buffer, size);
60 if (result != TPM_RC_SUCCESS) {
61 return result;
62 }
63 if ((result == TPM_RC_SUCCESS) && *size) {
64 result = TPM_RC_SIZE;
65 }
66 return result;
67 }
68
Exec_ZGen_2Phase(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)69 TPM_RC Exec_ZGen_2Phase(TPMI_ST_COMMAND_TAG tag,
70 BYTE** request_parameter_buffer,
71 INT32* request_parameter_buffer_size,
72 TPM_HANDLE request_handles[],
73 UINT32* response_handle_buffer_size,
74 UINT32* response_parameter_buffer_size) {
75 TPM_RC result = TPM_RC_SUCCESS;
76 ZGen_2Phase_In in;
77 ZGen_2Phase_Out out;
78 #ifdef TPM_CC_ZGen_2Phase
79 BYTE* response_buffer;
80 INT32 response_buffer_size;
81 UINT16 bytes_marshalled;
82 UINT16 num_response_handles = 0;
83 #endif
84 *response_handle_buffer_size = 0;
85 *response_parameter_buffer_size = 0;
86 // Unmarshal request parameters to input structure.
87 result =
88 ZGen_2Phase_In_Unmarshal(&in, request_handles, request_parameter_buffer,
89 request_parameter_buffer_size);
90 if (result != TPM_RC_SUCCESS) {
91 return result;
92 }
93 // Execute command.
94 result = TPM2_ZGen_2Phase(&in, &out);
95 if (result != TPM_RC_SUCCESS) {
96 return result;
97 }
98 // Marshal output structure to global response buffer.
99 #ifdef TPM_CC_ZGen_2Phase
100 response_buffer = MemoryGetResponseBuffer(TPM_CC_ZGen_2Phase) + 10;
101 response_buffer_size = MAX_RESPONSE_SIZE - 10;
102 bytes_marshalled = ZGen_2Phase_Out_Marshal(&out, tag, &response_buffer,
103 &response_buffer_size);
104 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
105 *response_parameter_buffer_size =
106 bytes_marshalled - *response_handle_buffer_size;
107 return TPM_RC_SUCCESS;
108 #endif
109 return TPM_RC_COMMAND_CODE;
110 }
111