2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 #include <openssl/evp.h>
12 #include <openssl/err.h>
13 #include <openssl/provider.h>
14 #include <openssl/params.h>
15 #include <openssl/fips_names.h>
16 #include <openssl/core_names.h>
17 #include <openssl/self_test.h>
18 #include <openssl/fipskey.h>
22 DEFINE_STACK_OF_STRING()
26 /* Configuration file values */
27 #define VERSION_KEY "version"
28 #define VERSION_VAL "1"
29 #define INSTALL_STATUS_VAL "INSTALL_SELF_TEST_KATS_RUN"
31 static OSSL_CALLBACK self_test_events;
32 static char *self_test_corrupt_desc = NULL;
33 static char *self_test_corrupt_type = NULL;
34 static int self_test_log = 1;
37 typedef enum OPTION_choice {
38 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
39 OPT_IN, OPT_OUT, OPT_MODULE,
40 OPT_PROV_NAME, OPT_SECTION_NAME, OPT_MAC_NAME, OPT_MACOPT, OPT_VERIFY,
41 OPT_NO_LOG, OPT_CORRUPT_DESC, OPT_CORRUPT_TYPE, OPT_QUIET, OPT_CONFIG,
42 OPT_NO_CONDITIONAL_ERRORS
45 const OPTIONS fipsinstall_options[] = {
46 OPT_SECTION("General"),
47 {"help", OPT_HELP, '-', "Display this summary"},
48 {"verify", OPT_VERIFY, '-',
49 "Verify a config file instead of generating one"},
50 {"module", OPT_MODULE, '<', "File name of the provider module"},
51 {"provider_name", OPT_PROV_NAME, 's', "FIPS provider name"},
52 {"section_name", OPT_SECTION_NAME, 's',
53 "FIPS Provider config section name (optional)"},
54 {"no_conditional_errors", OPT_NO_CONDITIONAL_ERRORS, '-',
55 "Disable the ability of the fips module to enter an error state if"
56 " any conditional self tests fail"},
58 {"in", OPT_IN, '<', "Input config file, used when verifying"},
60 OPT_SECTION("Output"),
61 {"out", OPT_OUT, '>', "Output config file, used when generating"},
62 {"mac_name", OPT_MAC_NAME, 's', "MAC name"},
63 {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form. "
64 "See 'PARAMETER NAMES' in the EVP_MAC_ docs"},
65 {"noout", OPT_NO_LOG, '-', "Disable logging of self test events"},
66 {"corrupt_desc", OPT_CORRUPT_DESC, 's', "Corrupt a self test by description"},
67 {"corrupt_type", OPT_CORRUPT_TYPE, 's', "Corrupt a self test by type"},
68 {"config", OPT_CONFIG, '<', "The parent config to verify"},
69 {"quiet", OPT_QUIET, '-', "No messages, just exit status"},
73 static int do_mac(EVP_MAC_CTX *ctx, unsigned char *tmp, BIO *in,
74 unsigned char *out, size_t *out_len)
78 size_t outsz = *out_len;
80 if (!EVP_MAC_init(ctx))
82 if (EVP_MAC_size(ctx) > outsz)
84 while ((i = BIO_read(in, (char *)tmp, BUFSIZE)) != 0) {
85 if (i < 0 || !EVP_MAC_update(ctx, tmp, i))
89 if (!EVP_MAC_final(ctx, out, out_len, outsz))
96 static int load_fips_prov_and_run_self_test(const char *prov_name)
99 OSSL_PROVIDER *prov = NULL;
101 prov = OSSL_PROVIDER_load(NULL, prov_name);
103 BIO_printf(bio_err, "Failed to load FIPS module\n");
108 OSSL_PROVIDER_unload(prov);
112 static int print_mac(BIO *bio, const char *label, const unsigned char *mac,
118 hexstr = OPENSSL_buf2hexstr(mac, (long)len);
121 ret = BIO_printf(bio, "%s = %s\n", label, hexstr);
122 OPENSSL_free(hexstr);
126 static int write_config_header(BIO *out, const char *prov_name,
129 return BIO_printf(out, "openssl_conf = openssl_init\n\n")
130 && BIO_printf(out, "[openssl_init]\n")
131 && BIO_printf(out, "providers = provider_section\n\n")
132 && BIO_printf(out, "[provider_section]\n")
133 && BIO_printf(out, "%s = %s\n\n", prov_name, section);
137 * Outputs a fips related config file that contains entries for the fips
138 * module checksum, installation indicator checksum and the option
139 * conditional_errors.
141 * Returns 1 if the config file is written otherwise it returns 0 on error.
143 static int write_config_fips_section(BIO *out, const char *section,
144 unsigned char *module_mac,
145 size_t module_mac_len,
146 int conditional_errors,
147 unsigned char *install_mac,
148 size_t install_mac_len)
152 if (BIO_printf(out, "[%s]\n", section) <= 0
153 || BIO_printf(out, "activate = 1\n") <= 0
154 || BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
156 || BIO_printf(out, "%s = %s\n", OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
157 conditional_errors ? "1" : "0") <= 0
158 || !print_mac(out, OSSL_PROV_FIPS_PARAM_MODULE_MAC, module_mac,
162 if (install_mac != NULL) {
163 if (!(print_mac(out, OSSL_PROV_FIPS_PARAM_INSTALL_MAC, install_mac,
165 && BIO_printf(out, "%s = %s\n",
166 OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
167 INSTALL_STATUS_VAL) > 0))
175 static CONF *generate_config_and_load(const char *prov_name,
177 unsigned char *module_mac,
178 size_t module_mac_len,
179 int conditional_errors)
184 mem_bio = BIO_new(BIO_s_mem());
187 if (!write_config_header(mem_bio, prov_name, section)
188 || !write_config_fips_section(mem_bio, section,
189 module_mac, module_mac_len,
194 conf = app_load_config_bio(mem_bio, NULL);
198 if (CONF_modules_load(conf, NULL, 0) <= 0)
208 static void free_config_and_unload(CONF *conf)
212 CONF_modules_unload(1);
216 static int verify_module_load(const char *parent_config_file)
218 return OPENSSL_CTX_load_config(NULL, parent_config_file);
222 * Returns 1 if the config file entries match the passed in module_mac and
223 * install_mac values, otherwise it returns 0.
225 static int verify_config(const char *infile, const char *section,
226 unsigned char *module_mac, size_t module_mac_len,
227 unsigned char *install_mac, size_t install_mac_len)
231 unsigned char *buf1 = NULL, *buf2 = NULL;
235 /* read in the existing values and check they match the saved values */
236 conf = app_load_config(infile);
240 s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_VERSION);
241 if (s == NULL || strcmp(s, VERSION_VAL) != 0) {
242 BIO_printf(bio_err, "version not found\n");
245 s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_STATUS);
246 if (s == NULL || strcmp(s, INSTALL_STATUS_VAL) != 0) {
247 BIO_printf(bio_err, "install status not found\n");
250 s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_MODULE_MAC);
252 BIO_printf(bio_err, "Module integrity MAC not found\n");
255 buf1 = OPENSSL_hexstr2buf(s, &len);
257 || (size_t)len != module_mac_len
258 || memcmp(module_mac, buf1, module_mac_len) != 0) {
259 BIO_printf(bio_err, "Module integrity mismatch\n");
262 s = NCONF_get_string(conf, section, OSSL_PROV_FIPS_PARAM_INSTALL_MAC);
264 BIO_printf(bio_err, "Install indicator MAC not found\n");
267 buf2 = OPENSSL_hexstr2buf(s, &len);
269 || (size_t)len != install_mac_len
270 || memcmp(install_mac, buf2, install_mac_len) != 0) {
271 BIO_printf(bio_err, "Install indicator status mismatch\n");
282 int fipsinstall_main(int argc, char **argv)
284 int ret = 1, verify = 0, gotkey = 0, gotdigest = 0;
285 int enable_conditional_errors = 1;
286 const char *section_name = "fips_sect";
287 const char *mac_name = "HMAC";
288 const char *prov_name = "fips";
289 BIO *module_bio = NULL, *mem_bio = NULL, *fout = NULL;
290 char *in_fname = NULL, *out_fname = NULL, *prog;
291 char *module_fname = NULL, *parent_config = NULL, *module_path = NULL;
293 EVP_MAC_CTX *ctx = NULL, *ctx2 = NULL;
294 STACK_OF(OPENSSL_STRING) *opts = NULL;
296 unsigned char *read_buffer = NULL;
297 unsigned char module_mac[EVP_MAX_MD_SIZE];
298 size_t module_mac_len = EVP_MAX_MD_SIZE;
299 unsigned char install_mac[EVP_MAX_MD_SIZE];
300 size_t install_mac_len = EVP_MAX_MD_SIZE;
304 if ((opts = sk_OPENSSL_STRING_new_null()) == NULL)
307 prog = opt_init(argc, argv, fipsinstall_options);
308 while ((o = opt_next()) != OPT_EOF) {
313 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
316 opt_help(fipsinstall_options);
320 in_fname = opt_arg();
323 out_fname = opt_arg();
325 case OPT_NO_CONDITIONAL_ERRORS:
326 enable_conditional_errors = 0;
334 case OPT_CORRUPT_DESC:
335 self_test_corrupt_desc = opt_arg();
337 case OPT_CORRUPT_TYPE:
338 self_test_corrupt_type = opt_arg();
341 prov_name = opt_arg();
344 module_fname = opt_arg();
346 case OPT_SECTION_NAME:
347 section_name = opt_arg();
350 mac_name = opt_arg();
353 parent_config = opt_arg();
356 if (!sk_OPENSSL_STRING_push(opts, opt_arg()))
358 if (strncmp(opt_arg(), "hexkey:", 7) == 0)
360 else if (strncmp(opt_arg(), "digest:", 7) == 0)
368 argc = opt_num_rest();
370 if (parent_config != NULL) {
371 /* Test that a parent config can load the module */
372 if (verify_module_load(parent_config)) {
373 ret = OSSL_PROVIDER_available(NULL, prov_name) ? 0 : 1;
375 BIO_printf(bio_out, "FIPS provider is %s\n",
376 ret == 0 ? "available" : " not available");
380 if (module_fname == NULL
381 || (verify && in_fname == NULL)
382 || (!verify && out_fname == NULL)
386 tail = opt_path_end(module_fname);
388 module_path = OPENSSL_strdup(module_fname);
389 if (module_path == NULL)
391 module_path[tail - module_fname] = '\0';
392 if (!OSSL_PROVIDER_set_default_search_path(NULL, module_path))
397 || self_test_corrupt_desc != NULL
398 || self_test_corrupt_type != NULL)
399 OSSL_SELF_TEST_set_callback(NULL, self_test_events, NULL);
401 /* Use the default FIPS HMAC digest and key if not specified. */
402 if (!gotdigest && !sk_OPENSSL_STRING_push(opts, "digest:SHA256"))
404 if (!gotkey && !sk_OPENSSL_STRING_push(opts, "hexkey:" FIPS_KEY_STRING))
407 module_bio = bio_open_default(module_fname, 'r', FORMAT_BINARY);
408 if (module_bio == NULL) {
409 BIO_printf(bio_err, "Failed to open module file\n");
413 read_buffer = app_malloc(BUFSIZE, "I/O buffer");
414 if (read_buffer == NULL)
417 mac = EVP_MAC_fetch(NULL, mac_name, NULL);
419 BIO_printf(bio_err, "Unable to get MAC of type %s\n", mac_name);
423 ctx = EVP_MAC_CTX_new(mac);
425 BIO_printf(bio_err, "Unable to create MAC CTX for module check\n");
432 app_params_new_from_opts(opts, EVP_MAC_settable_ctx_params(mac));
437 if (!EVP_MAC_CTX_set_params(ctx, params)) {
438 BIO_printf(bio_err, "MAC parameter error\n");
439 ERR_print_errors(bio_err);
442 app_params_free(params);
447 ctx2 = EVP_MAC_CTX_dup(ctx);
449 BIO_printf(bio_err, "Unable to create MAC CTX for install indicator\n");
453 if (!do_mac(ctx, read_buffer, module_bio, module_mac, &module_mac_len))
456 mem_bio = BIO_new_mem_buf((const void *)INSTALL_STATUS_VAL,
457 strlen(INSTALL_STATUS_VAL));
458 if (mem_bio == NULL) {
459 BIO_printf(bio_err, "Unable to create memory BIO\n");
462 if (!do_mac(ctx2, read_buffer, mem_bio, install_mac, &install_mac_len))
466 if (!verify_config(in_fname, section_name, module_mac, module_mac_len,
467 install_mac, install_mac_len))
470 BIO_printf(bio_out, "VERIFY PASSED\n");
473 conf = generate_config_and_load(prov_name, section_name, module_mac,
475 enable_conditional_errors);
478 if (!load_fips_prov_and_run_self_test(prov_name))
481 fout = bio_open_default(out_fname, 'w', FORMAT_TEXT);
483 BIO_printf(bio_err, "Failed to open file\n");
486 if (!write_config_fips_section(fout, section_name,
487 module_mac, module_mac_len,
488 enable_conditional_errors,
489 install_mac, install_mac_len))
492 BIO_printf(bio_out, "INSTALL PASSED\n");
499 BIO_printf(bio_err, "%s FAILED\n", verify ? "VERIFY" : "INSTALL");
500 ERR_print_errors(bio_err);
504 OPENSSL_free(module_path);
507 BIO_free(module_bio);
508 sk_OPENSSL_STRING_free(opts);
510 EVP_MAC_CTX_free(ctx2);
511 EVP_MAC_CTX_free(ctx);
512 OPENSSL_free(read_buffer);
513 free_config_and_unload(conf);
517 static int self_test_events(const OSSL_PARAM params[], void *arg)
519 const OSSL_PARAM *p = NULL;
520 const char *phase = NULL, *type = NULL, *desc = NULL;
523 p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_PHASE);
524 if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
526 phase = (const char *)p->data;
528 p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_DESC);
529 if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
531 desc = (const char *)p->data;
533 p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_TYPE);
534 if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
536 type = (const char *)p->data;
539 if (strcmp(phase, OSSL_SELF_TEST_PHASE_START) == 0)
540 BIO_printf(bio_out, "%s : (%s) : ", desc, type);
541 else if (strcmp(phase, OSSL_SELF_TEST_PHASE_PASS) == 0
542 || strcmp(phase, OSSL_SELF_TEST_PHASE_FAIL) == 0)
543 BIO_printf(bio_out, "%s\n", phase);
546 * The self test code will internally corrupt the KAT test result if an
547 * error is returned during the corrupt phase.
549 if (strcmp(phase, OSSL_SELF_TEST_PHASE_CORRUPT) == 0
550 && (self_test_corrupt_desc != NULL
551 || self_test_corrupt_type != NULL)) {
552 if (self_test_corrupt_desc != NULL
553 && strcmp(self_test_corrupt_desc, desc) != 0)
555 if (self_test_corrupt_type != NULL
556 && strcmp(self_test_corrupt_type, type) != 0)
558 BIO_printf(bio_out, "%s ", phase);