]> git.ipfire.org Git - thirdparty/gnutls.git/commitdiff
tests: added unit test for RSA-PSS signing over PKCS#11
authorNikos Mavrogiannopoulos <nmav@redhat.com>
Mon, 24 Jul 2017 14:15:15 +0000 (16:15 +0200)
committerNikos Mavrogiannopoulos <nmav@redhat.com>
Thu, 3 Aug 2017 09:57:52 +0000 (11:57 +0200)
This requires a softhsm with support for RSA_PKCS_PSS mechanism.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
tests/Makefile.am
tests/pkcs11/pkcs11-rsa-pss-privkey-test.c [new file with mode: 0644]

index 4f8a43c7580f1486dfc161a9ba76d5286cf14527..a97814d05ca1b1fd24a463ca5739b476d740adbf 100644 (file)
@@ -250,7 +250,8 @@ ctests += pkcs11-cert-import-url-exts pkcs11-get-exts pkcs11-get-raw-issuer-exts
        pkcs11-import-url-privkey pkcs11-privkey-fork pkcs11/pkcs11-ec-privkey-test \
        pkcs11-privkey-always-auth pkcs11-privkey-export pkcs11/pkcs11-import-with-pin \
        pkcs11/pkcs11-privkey-pthread pkcs11/pkcs11-pin-func pkcs11/pkcs11-obj-import \
-       pkcs11-privkey-fork-reinit pkcs11-mechanisms pkcs11-privkey-safenet-always-auth
+       pkcs11-privkey-fork-reinit pkcs11-mechanisms pkcs11-privkey-safenet-always-auth \
+       pkcs11/pkcs11-rsa-pss-privkey-test
 
 
 endif
diff --git a/tests/pkcs11/pkcs11-rsa-pss-privkey-test.c b/tests/pkcs11/pkcs11-rsa-pss-privkey-test.c
new file mode 100644 (file)
index 0000000..e0cd657
--- /dev/null
@@ -0,0 +1,272 @@
+/*
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+#include <gnutls/abstract.h>
+
+#include "../utils.h"
+#include "softhsm.h"
+
+#define CONFIG_NAME "softhsm-privkey-rsa-pss-test"
+#define CONFIG CONFIG_NAME".config"
+
+/* Tests whether signing with PKCS#11 and RSA-PSS would
+ * generate valid signatures */
+
+#include "../cert-common.h"
+
+#define PIN "1234"
+
+static const gnutls_datum_t testdata = { (void *)"test test", 9 };
+
+static void tls_log_func(int level, const char *str)
+{
+       fprintf(stderr, "|<%d>| %s", level, str);
+}
+
+static
+int pin_func(void *userdata, int attempt, const char *url, const char *label,
+            unsigned flags, char *pin, size_t pin_max)
+{
+       if (attempt == 0) {
+               strcpy(pin, PIN);
+               return 0;
+       }
+       return -1;
+}
+
+#define myfail(fmt, ...) \
+       fail("%s (iter %d): "fmt, gnutls_sign_get_name(sigalgo), i, ##__VA_ARGS__)
+
+static unsigned verify_rsa_pss_presence(void)
+{
+       unsigned i;
+       unsigned long mechanism;
+       int ret;
+
+       i = 0;
+       do {
+               ret = gnutls_pkcs11_token_get_mechanism("pkcs11:", i++, &mechanism);
+               if (ret >= 0 && mechanism == 0xd /* CKM_RSA_PKCS_PSS*/)
+                       return 1;
+       } while(ret>=0);
+
+       return 0;
+}
+
+void doit(void)
+{
+       char buf[128];
+       int ret;
+       const char *lib, *bin;
+       gnutls_x509_crt_t crt;
+       gnutls_x509_privkey_t key;
+       gnutls_datum_t tmp, sig;
+       gnutls_privkey_t pkey;
+       gnutls_pubkey_t pubkey;
+       gnutls_pubkey_t pubkey2;
+       unsigned i, sigalgo;
+
+       bin = softhsm_bin();
+
+       lib = softhsm_lib();
+
+       ret = global_init();
+       if (ret != 0) {
+               fail("%d: %s\n", ret, gnutls_strerror(ret));
+               exit(1);
+       }
+
+       gnutls_pkcs11_set_pin_function(pin_func, NULL);
+       gnutls_global_set_log_function(tls_log_func);
+       if (debug)
+               gnutls_global_set_log_level(4711);
+
+       set_softhsm_conf(CONFIG);
+       snprintf(buf, sizeof(buf),
+                "%s --init-token --slot 0 --label test --so-pin " PIN " --pin "
+                PIN, bin);
+       system(buf);
+
+       ret = gnutls_pkcs11_add_provider(lib, NULL);
+       if (ret < 0) {
+               fprintf(stderr, "gnutls_x509_crt_init: %s\n",
+                       gnutls_strerror(ret));
+               exit(1);
+       }
+
+       if (verify_rsa_pss_presence() == 0) {
+               fprintf(stderr, "Skipping test as no RSA-PSS mech is supported\n");
+               goto cleanup;
+       }
+
+       ret = gnutls_x509_crt_init(&crt);
+       if (ret < 0) {
+               fprintf(stderr,
+                       "gnutls_x509_crt_init: %s\n", gnutls_strerror(ret));
+               exit(1);
+       }
+
+       ret =
+           gnutls_x509_crt_import(crt, &cli_ca3_rsa_pss_cert,
+                                  GNUTLS_X509_FMT_PEM);
+       if (ret < 0) {
+               fprintf(stderr,
+                       "gnutls_x509_crt_import: %s\n", gnutls_strerror(ret));
+               exit(1);
+       }
+
+       if (debug) {
+               gnutls_x509_crt_print(crt, GNUTLS_CRT_PRINT_ONELINE, &tmp);
+
+               printf("\tCertificate: %.*s\n", tmp.size, tmp.data);
+               gnutls_free(tmp.data);
+       }
+
+       ret = gnutls_x509_privkey_init(&key);
+       if (ret < 0) {
+               fprintf(stderr,
+                       "gnutls_x509_privkey_init: %s\n", gnutls_strerror(ret));
+               exit(1);
+       }
+
+       ret =
+           gnutls_x509_privkey_import(key, &cli_ca3_rsa_pss_key,
+                                      GNUTLS_X509_FMT_PEM);
+       if (ret < 0) {
+               fprintf(stderr,
+                       "gnutls_x509_privkey_import: %s\n",
+                       gnutls_strerror(ret));
+               exit(1);
+       }
+
+       /* initialize softhsm token */
+       ret = gnutls_pkcs11_token_init(SOFTHSM_URL, PIN, "test");
+       if (ret < 0) {
+               fail("gnutls_pkcs11_token_init: %s\n", gnutls_strerror(ret));
+               exit(1);
+       }
+
+       ret =
+           gnutls_pkcs11_token_set_pin(SOFTHSM_URL, NULL, PIN,
+                                       GNUTLS_PIN_USER);
+       if (ret < 0) {
+               fail("gnutls_pkcs11_token_set_pin: %s\n", gnutls_strerror(ret));
+               exit(1);
+       }
+
+       ret = gnutls_pkcs11_copy_x509_crt(SOFTHSM_URL, crt, "cert",
+                                         GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE |
+                                         GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
+       if (ret < 0) {
+               fail("gnutls_pkcs11_copy_x509_crt: %s\n", gnutls_strerror(ret));
+               exit(1);
+       }
+
+       ret =
+           gnutls_pkcs11_copy_x509_privkey(SOFTHSM_URL, key, "cert",
+                                           GNUTLS_KEY_DIGITAL_SIGNATURE |
+                                           GNUTLS_KEY_KEY_ENCIPHERMENT,
+                                           GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE
+                                           |
+                                           GNUTLS_PKCS11_OBJ_FLAG_MARK_SENSITIVE
+                                           | GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
+       if (ret < 0) {
+               fail("gnutls_pkcs11_copy_x509_privkey: %s\n",
+                    gnutls_strerror(ret));
+               exit(1);
+       }
+
+       gnutls_x509_crt_deinit(crt);
+       gnutls_x509_privkey_deinit(key);
+       gnutls_pkcs11_set_pin_function(NULL, NULL);
+
+       assert(gnutls_privkey_init(&pkey) == 0);
+
+       ret =
+           gnutls_privkey_import_pkcs11_url(pkey,
+                                            SOFTHSM_URL
+                                            ";object=cert;object-type=private;pin-value="
+                                            PIN);
+       if (ret < 0) {
+               fprintf(stderr, "error in %d: %s\n", __LINE__,
+                       gnutls_strerror(ret));
+               exit(1);
+       }
+
+       assert(gnutls_pubkey_init(&pubkey) == 0);
+       assert(gnutls_pubkey_import_privkey(pubkey, pkey, 0, 0) == 0);
+
+       assert(gnutls_pubkey_init(&pubkey2) == 0);
+       assert(gnutls_pubkey_import_x509_raw
+              (pubkey2, &cli_ca3_rsa_pss_cert, GNUTLS_X509_FMT_PEM, 0) == 0);
+
+       /* this is the algorithm supported by the certificate */
+       sigalgo = GNUTLS_SIGN_RSA_PSS_SHA256;
+
+       for (i = 0; i < 20; i++) {
+               /* check whether privkey and pubkey are operational
+                * by signing and verifying */
+               ret =
+                   gnutls_privkey_sign_data2(pkey, sigalgo, 0,
+                                             &testdata, &sig);
+               if (ret < 0)
+                       myfail("Error signing data %s\n", gnutls_strerror(ret));
+
+               /* verify against the pubkey in PKCS #11 */
+               ret =
+                   gnutls_pubkey_verify_data2(pubkey, sigalgo, 0,
+                                              &testdata, &sig);
+               if (ret < 0)
+                       myfail("Error verifying data1: %s\n",
+                              gnutls_strerror(ret));
+
+               /* verify against the raw pubkey */
+               ret =
+                   gnutls_pubkey_verify_data2(pubkey2, sigalgo, 0,
+                                              &testdata, &sig);
+               if (ret < 0)
+                       myfail("Error verifying data2: %s\n",
+                              gnutls_strerror(ret));
+
+               gnutls_free(sig.data);
+       }
+
+       gnutls_pubkey_deinit(pubkey2);
+       gnutls_pubkey_deinit(pubkey);
+       gnutls_privkey_deinit(pkey);
+
+cleanup:
+       gnutls_global_deinit();
+
+       remove(CONFIG);
+}