1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*******************************************************************************
3 * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
4 * All rights reserved.
5 *******************************************************************************/
6
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10
11 #include <stdlib.h>
12 #include <stdio.h>
13 #include <errno.h>
14 #include <fcntl.h>
15 #include <unistd.h>
16
17 #include "tss2_fapi.h"
18
19 #define LOGMODULE test
20 #include "util/log.h"
21 #include "util/aux_util.h"
22
23 #define SIGN_TEMPLATE "sign,noDa"
24 #define PASSWORD NULL
25
26 #define NV_SIZE 4
27
28 /** Test the FAPI functions for NV writing and key usage.
29 *
30 * Tested FAPI commands:
31 * - Fapi_Provision()
32 * - Fapi_CreateKey()
33 * - Fapi_NvWrite()
34 * - Fapi_Import()
35 * - Fapi_Sign()
36 * - Fapi_Delete()
37 *
38 * Tested Policies:
39 * - PolicyNv
40 *
41 * @param[in,out] context The FAPI_CONTEXT.
42 * @retval EXIT_FAILURE
43 * @retval EXIT_SUCCESS
44 */
45 int
test_fapi_key_create_policy_nv_sign(FAPI_CONTEXT * context)46 test_fapi_key_create_policy_nv_sign(FAPI_CONTEXT *context)
47 {
48 TSS2_RC r;
49 char *policy_name = "/policy/pol_nv";
50 char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_nv.json";;
51 FILE *stream = NULL;
52 char *json_policy = NULL;
53 uint8_t *signature = NULL;
54 char *publicKey = NULL;
55 long policy_size;
56 char *nvPathOrdinary = "/nv/Owner/myNV";
57 uint8_t data_nv[NV_SIZE] = { 1, 2, 3, 4 };
58
59 r = Fapi_Provision(context, NULL, NULL, NULL);
60 goto_if_error(r, "Error Fapi_Provision", error);
61
62 r = Fapi_CreateNv(context, nvPathOrdinary, "noda", 4, "", "");
63 goto_if_error(r, "Error Fapi_CreateNv", error);
64
65 r = Fapi_NvWrite(context, nvPathOrdinary, &data_nv[0], NV_SIZE);
66 goto_if_error(r, "Error Fapi_NvWrite", error);
67
68 stream = fopen(policy_file, "r");
69 if (!stream) {
70 LOG_ERROR("File %s does not exist", policy_file);
71 goto error;
72 }
73 fseek(stream, 0L, SEEK_END);
74 policy_size = ftell(stream);
75 fclose(stream);
76 json_policy = malloc(policy_size + 1);
77 goto_if_null(json_policy,
78 "Could not allocate memory for the JSON policy",
79 TSS2_FAPI_RC_MEMORY, error);
80 stream = fopen(policy_file, "r");
81 ssize_t ret = read(fileno(stream), json_policy, policy_size);
82 if (ret != policy_size) {
83 LOG_ERROR("IO error %s.", policy_file);
84 goto error;
85 }
86 json_policy[policy_size] = '\0';
87
88 r = Fapi_Import(context, policy_name, json_policy);
89 goto_if_error(r, "Error Fapi_Import", error);
90
91 r = Fapi_CreateKey(context, "HS/SRK/mySignKey", SIGN_TEMPLATE,
92 policy_name, PASSWORD);
93 goto_if_error(r, "Error Fapi_CreateKey", error);
94 size_t signatureSize = 0;
95
96 TPM2B_DIGEST digest = {
97 .size = 20,
98 .buffer = {
99 0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0,
100 0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f
101 }
102 };
103
104 r = Fapi_Sign(context, "HS/SRK/mySignKey", NULL,
105 &digest.buffer[0], digest.size, &signature, &signatureSize,
106 &publicKey, NULL);
107 goto_if_error(r, "Error Fapi_Sign", error);
108
109 r = Fapi_Delete(context, nvPathOrdinary);
110 goto_if_error(r, "Error Fapi_NV_Undefine", error);
111
112 r = Fapi_Delete(context, "/HS/SRK");
113 goto_if_error(r, "Error Fapi_Delete", error);
114
115 SAFE_FREE(signature);
116 SAFE_FREE(publicKey);
117 SAFE_FREE(json_policy);
118 return EXIT_SUCCESS;
119
120 error:
121 SAFE_FREE(signature);
122 SAFE_FREE(publicKey);
123 SAFE_FREE(json_policy);
124 return EXIT_FAILURE;
125 }
126
127 int
test_invoke_fapi(FAPI_CONTEXT * fapi_context)128 test_invoke_fapi(FAPI_CONTEXT *fapi_context)
129 {
130 return test_fapi_key_create_policy_nv_sign(fapi_context);
131 }
132