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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <assert.h>
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#include <ell/ell.h>
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#include "src/ecdh.h"
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#include "src/ecc.h"
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/*
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* Tests the most basic case. Generate two full public keys and use to create
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* two identical shared secrets.
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*/
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static void test_basic(const void *data)
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{
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uint8_t private1[32];
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uint8_t private2[32];
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uint8_t public1[64];
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uint8_t public2[64];
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uint8_t secret1[32];
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uint8_t secret2[32];
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assert(ecdh_generate_key_pair(private1, 32, public1, 64));
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assert(ecdh_generate_key_pair(private2, 32, public2, 64));
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assert(ecdh_generate_shared_secret(private1, public2, 64, secret1, 32));
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assert(ecdh_generate_shared_secret(private2, public1, 64, secret2, 32));
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assert(!memcmp(secret1, secret2, 32));
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}
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/*
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* Tests public key compliance. When generating the public keys, only specify
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* half their length (32). This requires ECDH to compute the remainder of the
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* public key when generating the shared secret.
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*/
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static void test_compliant_key(const void *data)
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{
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uint8_t private1[32];
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uint8_t private2[32];
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uint8_t public1[32];
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uint8_t public2[32];
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uint8_t secret1[32];
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uint8_t secret2[32];
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assert(ecdh_generate_key_pair(private1, 32, public1, 32));
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assert(ecdh_generate_key_pair(private2, 32, public2, 32));
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assert(ecdh_generate_shared_secret(private1, public2, 32, secret1, 32));
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assert(ecdh_generate_shared_secret(private2, public1, 32, secret2, 32));
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assert(!memcmp(secret1, secret2, 32));
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}
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int main(int argc, char *argv[])
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{
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l_test_init(&argc, &argv);
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l_test_add("ECDH Basic", test_basic, NULL);
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l_test_add("ECDH Compliant key", test_compliant_key, NULL);
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return l_test_run();
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}
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