From 5eacd8d16e1ab9ca584b46539359dca5c343d7fc Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Mon, 17 Jul 2017 09:31:10 +0200 Subject: tests: added sign/verification test using rfc8080 keys Signed-off-by: Nikos Mavrogiannopoulos --- tests/Makefile.am | 2 +- tests/sign-verify-ed25519-rfc8080.c | 144 ++++++++++++++++++++++++++++++++++++ 2 files changed, 145 insertions(+), 1 deletion(-) create mode 100644 tests/sign-verify-ed25519-rfc8080.c diff --git a/tests/Makefile.am b/tests/Makefile.am index 46fa9a553f..740332f95b 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -98,7 +98,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred cert certuniqueid \ crq_apis init_roundtrip pkcs12_s2k_pem dn2 mini-eagain tls-rehandshake-cert-3 \ nul-in-x509-names x509_altname pkcs12_encode mini-x509 ocsp-resp \ tls-rehandshake-cert rng-fork mini-eagain-dtls resume-dtls \ - x509cert x509cert-tl infoaccess mini-dtls-hello-verify \ + x509cert x509cert-tl infoaccess mini-dtls-hello-verify sign-verify-ed25519-rfc8080 \ trustdb-tofu dtls-rehandshake-anon mini-alpn mini-dtls-large \ mini-termination mini-x509-cas mini-x509-2 pkcs12_simple \ mini-emsgsize-dtls chainverify-unsorted mini-overhead \ diff --git a/tests/sign-verify-ed25519-rfc8080.c b/tests/sign-verify-ed25519-rfc8080.c new file mode 100644 index 0000000000..75585b982c --- /dev/null +++ b/tests/sign-verify-ed25519-rfc8080.c @@ -0,0 +1,144 @@ +/* + * 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 General Public License + * along with GnuTLS; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#ifndef _WIN32 +#include +#include +#include +#endif +#include +#include +#include +#include +#include "utils.h" + +/* verifies whether the sign-data and verify-data APIs + * operate as expected */ + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "<%d> %s", level, str); +} + +/* Values from RFC8080 */ +static unsigned char ed25519_x[] = + "\x97\x4d\x96\xa2\x2d\x22\x4b\xc0\x1a\xdb\x91\x50\x91\x47\x7d\x44\xcc\xd9\x1c\x9a\x41\xa1\x14\x30\x01\x01\x17\xd5\x2c\x59\x24\x0e"; +static unsigned char ed25519_k[] = + "\x38\x32\x32\x36\x30\x33\x38\x34\x36\x32\x38\x30\x38\x30\x31\x32\x32\x36\x34\x35\x31\x39\x30\x32\x30\x34\x31\x34\x32\x32\x36\x32"; + +static gnutls_datum_t _ed25519_x = { ed25519_x, sizeof(ed25519_x) - 1 }; +static gnutls_datum_t _ed25519_k = { ed25519_k, sizeof(ed25519_k) - 1 }; + +/* sha1 hash of "hello" string */ +const gnutls_datum_t raw_data = { + (void *) + "\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe" + "\xde\x0f\x3b\x48\x2c\xd9\xae\xa9\x43\x4d", + 20 +}; + +const gnutls_datum_t invalid_raw_data = { + (void *) + "\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe" + "\xde\x0f\x3b\x48\x3c\xd9\xae\xa9\x43\x4d", + 20 +}; + +void doit(void) +{ + gnutls_pubkey_t pubkey; + gnutls_privkey_t key; + gnutls_datum_t signature; + int ret; + + global_init(); + + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + ret = gnutls_privkey_init(&key); + if (ret < 0) + fail("error\n"); + + ret = + gnutls_privkey_import_ecc_raw(key, GNUTLS_ECC_CURVE_ED25519, + &_ed25519_x, NULL, &_ed25519_k); + if (ret < 0) + fail("error\n"); + + ret = gnutls_privkey_verify_params(key); + if (ret != 0) + fail("error: %s\n", gnutls_strerror(ret)); + + ret = gnutls_privkey_sign_data(key, GNUTLS_DIG_SHA512, 0, + &raw_data, &signature); + if (ret < 0) + fail("gnutls_x509_privkey_sign_hash\n"); + + /* verification */ + ret = gnutls_pubkey_init(&pubkey); + if (ret < 0) + fail("gnutls_privkey_init\n"); + + ret = gnutls_pubkey_import_privkey(pubkey, key, 0, 0); + if (ret < 0) + fail("gnutls_x509_pubkey_import\n"); + + ret = + gnutls_pubkey_verify_data2(pubkey, GNUTLS_SIGN_EDDSA_ED25519, 0, + &raw_data, &signature); + if (ret < 0) + fail("gnutls_x509_pubkey_verify_data2\n"); + + gnutls_pubkey_deinit(pubkey); + + /* try importing the pubkey directly */ + ret = gnutls_pubkey_init(&pubkey); + if (ret < 0) + fail("gnutls_privkey_init\n"); + + ret = gnutls_pubkey_import_ecc_raw(pubkey, GNUTLS_ECC_CURVE_ED25519, &_ed25519_x, NULL); + if (ret < 0) + fail("gnutls_x509_pubkey_import_ecc_raw\n"); + + ret = + gnutls_pubkey_verify_data2(pubkey, GNUTLS_SIGN_EDDSA_ED25519, 0, + &raw_data, &signature); + if (ret < 0) + fail("gnutls_x509_pubkey_verify_data2\n"); + + gnutls_pubkey_deinit(pubkey); + + gnutls_privkey_deinit(key); + gnutls_free(signature.data); + + gnutls_global_deinit(); +} -- cgit v1.2.1