142a3cee1e
Now that test_fx checks 1DES keys, we need to call allow_weak_crypto on the test's context. Without this fix, "make check" was failing with the following error: lt-test_fx: krb5_crypto_init: Encryption type des-cbc-crc not supported
254 lines
6.9 KiB
C
254 lines
6.9 KiB
C
/*
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* Copyright (c) 2009 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of KTH nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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#include "krb5_locl.h"
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#include <err.h>
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#include <getarg.h>
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struct {
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char *p1;
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char *pepper1;
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krb5_enctype e1;
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char *p2;
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char *pepper2;
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krb5_enctype e2;
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krb5_enctype e3;
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char *key;
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size_t len;
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} cf2[] = {
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{
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"key1", "a", ETYPE_AES128_CTS_HMAC_SHA1_96,
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"key2", "b", ETYPE_AES128_CTS_HMAC_SHA1_96,
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ETYPE_AES128_CTS_HMAC_SHA1_96,
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"\x97\xdf\x97\xe4\xb7\x98\xb2\x9e\xb3\x1e\xd7\x28\x02\x87\xa9\x2a",
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16
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},
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{
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"key1", "a", ETYPE_AES256_CTS_HMAC_SHA1_96,
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"key2", "b", ETYPE_AES256_CTS_HMAC_SHA1_96,
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ETYPE_AES256_CTS_HMAC_SHA1_96,
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"\x4d\x6c\xa4\xe6\x29\x78\x5c\x1f\x01\xba\xf5\x5e\x2e\x54\x85\x66"
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"\xb9\x61\x7a\xe3\xa9\x68\x68\xc3\x37\xcb\x93\xb5\xe7\x2b\x1c\x7b",
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32
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},
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{
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"key1", "a", ETYPE_AES128_CTS_HMAC_SHA1_96,
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"key2", "b", ETYPE_AES128_CTS_HMAC_SHA1_96,
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ETYPE_AES256_CTS_HMAC_SHA1_96,
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"\x97\xdf\x97\xe4\xb7\x98\xb2\x9e\xb3\x1e\xd7\x28\x2\x87\xa9\x2a"
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"\x1\x96\xfa\xf2\x44\xf8\x11\x20\xc2\x1c\x51\x17\xb3\xe6\xeb\x98",
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32
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},
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{
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"key1", "a", ETYPE_AES256_CTS_HMAC_SHA1_96,
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"key2", "b", ETYPE_AES256_CTS_HMAC_SHA1_96,
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ETYPE_AES128_CTS_HMAC_SHA1_96,
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"\x4d\x6c\xa4\xe6\x29\x78\x5c\x1f\x01\xba\xf5\x5e\x2e\x54\x85\x66",
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16
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},
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{
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"key1", "a", ETYPE_AES128_CTS_HMAC_SHA1_96,
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"key2", "b", ETYPE_AES256_CTS_HMAC_SHA1_96,
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ETYPE_AES256_CTS_HMAC_SHA1_96,
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"\x88\xbd\xb2\xa9\xf\x3e\x52\x5a\xb0\x5f\x68\xc5\x43\x9a\x4d\x5e"
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"\x9c\x2b\xfd\x2b\x02\x24\xde\x39\xb5\x82\xf4\xbb\x05\xfe\x2\x2e",
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32
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},
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{
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"key1", "a", ETYPE_ARCFOUR_HMAC_MD5,
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"key2", "b", ETYPE_ARCFOUR_HMAC_MD5,
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ETYPE_ARCFOUR_HMAC_MD5,
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"\x24\xd7\xf6\xb6\xba\xe4\xe5\xc0\x0d\x20\x82\xc5\xeb\xab\x36\x72",
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16
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},
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/* We don't yet have a PRF for 1DES in Heimdal */
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{
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"key1", "a", ETYPE_DES_CBC_CRC,
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"key2", "b", ETYPE_DES_CBC_CRC,
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ETYPE_DES_CBC_CRC,
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"\x43\xba\xe3\x73\x8c\x94\x67\xe6",
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8
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},
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{
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"key1", "a", ETYPE_DES3_CBC_SHA1,
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"key2", "b", ETYPE_DES3_CBC_SHA1,
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ETYPE_DES3_CBC_SHA1,
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"\xe5\x8f\x9e\xb6\x43\x86\x2c\x13\xad\x38\xe5\x29\x31\x34\x62\xa7"
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"\xf7\x3e\x62\x83\x4f\xe5\x4a\x01",
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24
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},
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};
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static void
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test_cf2(krb5_context context)
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{
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krb5_error_code ret;
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krb5_data pw, p1, p2;
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krb5_salt salt;
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krb5_keyblock k1, k2, k3;
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krb5_crypto c1, c2;
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unsigned int i;
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unsigned int errors = 0;
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ret = krb5_allow_weak_crypto(context, 1);
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if (ret)
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krb5_err(context, 1, ret, "krb5_allow_weak_crypto");
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for (i = 0; i < sizeof(cf2)/sizeof(cf2[0]); i++) {
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pw.data = cf2[i].p1;
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pw.length = strlen(cf2[i].p1);
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salt.salttype = (krb5_salttype)KRB5_PADATA_PW_SALT;
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salt.saltvalue.data = cf2[i].p1;
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salt.saltvalue.length = strlen(cf2[i].p1);
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ret = krb5_string_to_key_data_salt(context,
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cf2[i].e1,
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pw,
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salt,
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&k1);
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if (ret)
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krb5_err(context, 1, ret, "krb5_string_to_key_data_salt");
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ret = krb5_crypto_init(context, &k1, 0, &c1);
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if (ret)
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krb5_err(context, 1, ret, "krb5_crypto_init");
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pw.data = cf2[i].p2;
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pw.length = strlen(cf2[i].p2);
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salt.saltvalue.data = cf2[i].p2;
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salt.saltvalue.length = strlen(cf2[i].p2);
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ret = krb5_string_to_key_data_salt(context,
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cf2[i].e2,
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pw,
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salt,
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&k2);
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if (ret)
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krb5_err(context, 1, ret, "krb5_string_to_key_data_salt");
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ret = krb5_crypto_init(context, &k2, 0, &c2);
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if (ret)
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krb5_err(context, 1, ret, "krb5_crypto_init");
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p1.data = cf2[i].pepper1;
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p1.length = strlen(cf2[i].pepper1);
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p2.data = cf2[i].pepper2;
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p2.length = strlen(cf2[i].pepper2);
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ret = krb5_crypto_fx_cf2(context, c1, c2, &p1, &p2, cf2[i].e3, &k3);
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if (ret == KRB5_PROG_ETYPE_NOSUPP) {
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krb5_warn(context, ret, "KRB-FX-CF2 not supported for enctype %d",
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cf2[i].e1);
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continue;
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} else if (ret) {
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krb5_err(context, 1, ret, "krb5_crypto_fx_cf2");
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}
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if (k3.keytype != cf2[i].e3) {
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errors++;
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krb5_warnx(context, "length not right for enctype %d", cf2[i].e3);
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continue;
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}
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if (k3.keyvalue.length != cf2[i].len ||
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memcmp(k3.keyvalue.data, cf2[i].key, cf2[i].len) != 0) {
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errors++;
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krb5_warnx(context, "key not same for enctypes %d %d %d",
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cf2[i].e1, cf2[i].e2, cf2[i].e3);
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continue;
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}
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krb5_crypto_destroy(context, c1);
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krb5_crypto_destroy(context, c2);
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krb5_free_keyblock_contents(context, &k1);
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krb5_free_keyblock_contents(context, &k2);
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krb5_free_keyblock_contents(context, &k3);
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}
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if (errors)
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krb5_errx(context, 1, "%u KRB-FX-CF2 vectors failed", errors);
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}
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static int version_flag = 0;
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static int help_flag = 0;
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static struct getargs args[] = {
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{"version", 0, arg_flag, &version_flag,
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"print version", NULL },
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{"help", 0, arg_flag, &help_flag,
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NULL, NULL }
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};
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static void
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usage (int ret)
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{
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arg_printusage (args,
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sizeof(args)/sizeof(*args),
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NULL,
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"");
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exit (ret);
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}
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int
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main(int argc, char **argv)
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{
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krb5_context context;
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krb5_error_code ret;
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int optidx = 0;
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setprogname(argv[0]);
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
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usage(1);
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if (help_flag)
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usage (0);
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if(version_flag){
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print_version(NULL);
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exit(0);
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}
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ret = krb5_init_context(&context);
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if (ret)
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errx (1, "krb5_init_context failed: %d", ret);
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test_cf2(context);
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krb5_free_context(context);
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return 0;
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}
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