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 "Hash_fp.h"
9
Hash_Out_Marshal(Hash_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 Hash_Out_Marshal(Hash_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_DIGEST_Marshal(&source->outHash, buffer, size);
28 total_size += TPMT_TK_HASHCHECK_Marshal(&source->validation, 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
Hash_In_Unmarshal(Hash_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)38 TPM_RC Hash_In_Unmarshal(Hash_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 = TPM2B_MAX_BUFFER_Unmarshal(&target->data, buffer, size);
45 if (result != TPM_RC_SUCCESS) {
46 return result;
47 }
48 result = TPMI_ALG_HASH_Unmarshal(&target->hashAlg, buffer, size, FALSE);
49 if (result != TPM_RC_SUCCESS) {
50 return result;
51 }
52 result = TPMI_RH_HIERARCHY_Unmarshal(&target->hierarchy, buffer, size, TRUE);
53 if (result != TPM_RC_SUCCESS) {
54 return result;
55 }
56 if ((result == TPM_RC_SUCCESS) && *size) {
57 result = TPM_RC_SIZE;
58 }
59 return result;
60 }
61
Exec_Hash(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)62 TPM_RC Exec_Hash(TPMI_ST_COMMAND_TAG tag,
63 BYTE** request_parameter_buffer,
64 INT32* request_parameter_buffer_size,
65 TPM_HANDLE request_handles[],
66 UINT32* response_handle_buffer_size,
67 UINT32* response_parameter_buffer_size) {
68 TPM_RC result = TPM_RC_SUCCESS;
69 Hash_In in;
70 Hash_Out out;
71 #ifdef TPM_CC_Hash
72 BYTE* response_buffer;
73 INT32 response_buffer_size;
74 UINT16 bytes_marshalled;
75 UINT16 num_response_handles = 0;
76 #endif
77 *response_handle_buffer_size = 0;
78 *response_parameter_buffer_size = 0;
79 // Unmarshal request parameters to input structure.
80 result = Hash_In_Unmarshal(&in, request_handles, request_parameter_buffer,
81 request_parameter_buffer_size);
82 if (result != TPM_RC_SUCCESS) {
83 return result;
84 }
85 // Execute command.
86 result = TPM2_Hash(&in, &out);
87 if (result != TPM_RC_SUCCESS) {
88 return result;
89 }
90 // Marshal output structure to global response buffer.
91 #ifdef TPM_CC_Hash
92 response_buffer = MemoryGetResponseBuffer(TPM_CC_Hash) + 10;
93 response_buffer_size = MAX_RESPONSE_SIZE - 10;
94 bytes_marshalled =
95 Hash_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
96 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
97 *response_parameter_buffer_size =
98 bytes_marshalled - *response_handle_buffer_size;
99 return TPM_RC_SUCCESS;
100 #endif
101 return TPM_RC_COMMAND_CODE;
102 }
103