1 /*
2 * Copyright 2023-2024 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <openssl/pem.h>
11 #include <openssl/core_names.h>
12 #include <openssl/self_test.h>
13 #include "testutil.h"
14
15 typedef enum OPTION_choice {
16 OPT_ERR = -1,
17 OPT_EOF = 0,
18 OPT_PROVIDER_NAME,
19 OPT_CONFIG_FILE,
20 OPT_PAIRWISETEST,
21 OPT_DSAPARAM,
22 OPT_TEST_ENUM
23 } OPTION_CHOICE;
24
25 struct self_test_arg {
26 const char *type;
27 };
28
29 static OSSL_LIB_CTX *libctx = NULL;
30 static char *pairwise_name = NULL;
31 static char *dsaparam_file = NULL;
32 static struct self_test_arg self_test_args = { 0 };
33
test_get_options(void)34 const OPTIONS *test_get_options(void)
35 {
36 static const OPTIONS test_options[] = {
37 OPT_TEST_OPTIONS_DEFAULT_USAGE,
38 { "config", OPT_CONFIG_FILE, '<',
39 "The configuration file to use for the libctx" },
40 { "pairwise", OPT_PAIRWISETEST, 's',
41 "Test keygen pairwise test failures" },
42 { "dsaparam", OPT_DSAPARAM, 's', "DSA param file" },
43 { NULL }
44 };
45 return test_options;
46 }
47
self_test_on_pairwise_fail(const OSSL_PARAM params[],void * arg)48 static int self_test_on_pairwise_fail(const OSSL_PARAM params[], void *arg)
49 {
50 struct self_test_arg *args = arg;
51 const OSSL_PARAM *p = NULL;
52 const char *type = NULL, *phase = NULL;
53
54 p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_PHASE);
55 if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
56 return 0;
57 phase = (const char *)p->data;
58 if (strcmp(phase, OSSL_SELF_TEST_PHASE_CORRUPT) == 0) {
59 p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_TYPE);
60 if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
61 return 0;
62 type = (const char *)p->data;
63 if (strcmp(type, args->type) == 0)
64 return 0;
65 }
66 return 1;
67 }
68
setup_selftest_pairwise_failure(const char * type)69 static int setup_selftest_pairwise_failure(const char *type)
70 {
71 int ret = 0;
72 OSSL_PROVIDER *prov = NULL;
73
74 if (!TEST_ptr(prov = OSSL_PROVIDER_load(libctx, "fips")))
75 goto err;
76
77 /* Setup a callback that corrupts the pairwise self tests and causes failures */
78 self_test_args.type = type;
79 OSSL_SELF_TEST_set_callback(libctx, self_test_on_pairwise_fail, &self_test_args);
80
81 ret = 1;
82 err:
83 OSSL_PROVIDER_unload(prov);
84 return ret;
85 }
86
test_keygen_pairwise_failure(void)87 static int test_keygen_pairwise_failure(void)
88 {
89 BIO *bio = NULL;
90 EVP_PKEY_CTX *ctx = NULL;
91 EVP_PKEY *pParams = NULL;
92 EVP_PKEY *pkey = NULL;
93 const char *type = OSSL_SELF_TEST_TYPE_PCT;
94 int ret = 0;
95
96 if (strcmp(pairwise_name, "rsa") == 0) {
97 if (!TEST_true(setup_selftest_pairwise_failure(type)))
98 goto err;
99 if (!TEST_ptr_null(pkey = EVP_PKEY_Q_keygen(libctx, NULL, "RSA", (size_t)2048)))
100 goto err;
101 } else if (strncmp(pairwise_name, "ec", 2) == 0) {
102 if (strcmp(pairwise_name, "eckat") == 0)
103 type = OSSL_SELF_TEST_TYPE_PCT_KAT;
104 if (!TEST_true(setup_selftest_pairwise_failure(type)))
105 goto err;
106 if (!TEST_ptr_null(pkey = EVP_PKEY_Q_keygen(libctx, NULL, "EC", "P-256")))
107 goto err;
108 } else if (strncmp(pairwise_name, "dsa", 3) == 0) {
109 if (strcmp(pairwise_name, "dsakat") == 0)
110 type = OSSL_SELF_TEST_TYPE_PCT_KAT;
111 if (!TEST_true(setup_selftest_pairwise_failure(type)))
112 goto err;
113 if (!TEST_ptr(bio = BIO_new_file(dsaparam_file, "r")))
114 goto err;
115 if (!TEST_ptr(pParams = PEM_read_bio_Parameters_ex(bio, NULL, libctx, NULL)))
116 goto err;
117 if (!TEST_ptr(ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pParams, NULL)))
118 goto err;
119 if (!TEST_int_eq(EVP_PKEY_keygen_init(ctx), 1))
120 goto err;
121 if (!TEST_int_le(EVP_PKEY_keygen(ctx, &pkey), 0))
122 goto err;
123 if (!TEST_ptr_null(pkey))
124 goto err;
125 } else if (strncmp(pairwise_name, "eddsa", 5) == 0) {
126 if (!TEST_true(setup_selftest_pairwise_failure(type)))
127 goto err;
128 if (!TEST_ptr(ctx = EVP_PKEY_CTX_new_from_name(libctx, "ED25519", NULL)))
129 goto err;
130 if (!TEST_int_eq(EVP_PKEY_keygen_init(ctx), 1))
131 goto err;
132 if (!TEST_int_le(EVP_PKEY_keygen(ctx, &pkey), 0))
133 goto err;
134 if (!TEST_ptr_null(pkey))
135 goto err;
136 }
137 ret = 1;
138 err:
139 EVP_PKEY_free(pkey);
140 EVP_PKEY_CTX_free(ctx);
141 BIO_free(bio);
142 EVP_PKEY_free(pParams);
143 return ret;
144 }
145
setup_tests(void)146 int setup_tests(void)
147 {
148 OPTION_CHOICE o;
149 char *config_file = NULL;
150
151 while ((o = opt_next()) != OPT_EOF) {
152 switch (o) {
153 case OPT_CONFIG_FILE:
154 config_file = opt_arg();
155 break;
156 case OPT_PAIRWISETEST:
157 pairwise_name = opt_arg();
158 break;
159 case OPT_DSAPARAM:
160 dsaparam_file = opt_arg();
161 break;
162 case OPT_TEST_CASES:
163 break;
164 default:
165 case OPT_ERR:
166 return 0;
167 }
168 }
169
170 libctx = OSSL_LIB_CTX_new();
171 if (libctx == NULL)
172 return 0;
173 if (!OSSL_LIB_CTX_load_config(libctx, config_file)) {
174 opt_printf_stderr("Failed to load config\n");
175 return 0;
176 }
177 ADD_TEST(test_keygen_pairwise_failure);
178 return 1;
179 }
180
cleanup_tests(void)181 void cleanup_tests(void)
182 {
183 OSSL_LIB_CTX_free(libctx);
184 }
185
