ae77177087
several new kerberos related libraries and applications to FreeBSD:
o kgetcred(1) allows one to manually get a ticket for a particular service.
o kf(1) securily forwards ticket to another host through an authenticated
and encrypted stream.
o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1)
and other user kerberos operations. klist and kswitch are just symlinks
to kcc(1) now.
o kswitch(1) allows you to easily switch between kerberos credentials if
you're running KCM.
o hxtool(1) is a certificate management tool to use with PKINIT.
o string2key(1) maps a password into key.
o kdigest(8) is a userland tool to access the KDC's digest interface.
o kimpersonate(8) creates a "fake" ticket for a service.
We also now install manpages for some lirbaries that were not installed
before, libheimntlm and libhx509.
- The new HEIMDAL version no longer supports Kerberos 4. All users are
recommended to switch to Kerberos 5.
- Weak ciphers are now disabled by default. To enable DES support (used
by telnet(8)), use "allow_weak_crypto" option in krb5.conf.
- libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings
disabled due to the function they use (krb5_get_err_text(3)) being
deprecated. I plan to work on this next.
- Heimdal's KDC now require sqlite to operate. We use the bundled version
and install it as libheimsqlite. If some other FreeBSD components will
require it in the future we can rename it to libbsdsqlite and use for these
components as well.
- This is not a latest Heimdal version, the new one was released while I was
working on the update. I will update it to 1.5.2 soon, as it fixes some
important bugs and security issues.
879 lines
23 KiB
C
879 lines
23 KiB
C
/*
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* Copyright (c) 2003 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 <hex.h>
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#include <err.h>
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#include <assert.h>
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#ifdef HAVE_OPENSSL
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#include <openssl/evp.h>
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#endif
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static int verbose = 0;
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static void
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hex_dump_data(const void *data, size_t length)
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{
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char *p;
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hex_encode(data, length, &p);
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printf("%s\n", p);
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free(p);
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}
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struct {
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char *password;
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char *salt;
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int saltlen;
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int iterations;
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krb5_enctype enctype;
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size_t keylen;
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char *pbkdf2;
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char *key;
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} keys[] = {
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{
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"password", "ATHENA.MIT.EDUraeburn", -1,
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1,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\xcd\xed\xb5\x28\x1b\xb2\xf8\x01\x56\x5a\x11\x22\xb2\x56\x35\x15",
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"\x42\x26\x3c\x6e\x89\xf4\xfc\x28\xb8\xdf\x68\xee\x09\x79\x9f\x15"
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},
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{
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"password", "ATHENA.MIT.EDUraeburn", -1,
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1,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\xcd\xed\xb5\x28\x1b\xb2\xf8\x01\x56\x5a\x11\x22\xb2\x56\x35\x15"
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"\x0a\xd1\xf7\xa0\x4b\xb9\xf3\xa3\x33\xec\xc0\xe2\xe1\xf7\x08\x37",
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"\xfe\x69\x7b\x52\xbc\x0d\x3c\xe1\x44\x32\xba\x03\x6a\x92\xe6\x5b"
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"\xbb\x52\x28\x09\x90\xa2\xfa\x27\x88\x39\x98\xd7\x2a\xf3\x01\x61"
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},
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{
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"password", "ATHENA.MIT.EDUraeburn", -1,
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2,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\x01\xdb\xee\x7f\x4a\x9e\x24\x3e\x98\x8b\x62\xc7\x3c\xda\x93\x5d",
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"\xc6\x51\xbf\x29\xe2\x30\x0a\xc2\x7f\xa4\x69\xd6\x93\xbd\xda\x13"
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},
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{
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"password", "ATHENA.MIT.EDUraeburn", -1,
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2,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\x01\xdb\xee\x7f\x4a\x9e\x24\x3e\x98\x8b\x62\xc7\x3c\xda\x93\x5d"
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"\xa0\x53\x78\xb9\x32\x44\xec\x8f\x48\xa9\x9e\x61\xad\x79\x9d\x86",
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"\xa2\xe1\x6d\x16\xb3\x60\x69\xc1\x35\xd5\xe9\xd2\xe2\x5f\x89\x61"
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"\x02\x68\x56\x18\xb9\x59\x14\xb4\x67\xc6\x76\x22\x22\x58\x24\xff"
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},
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{
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"password", "ATHENA.MIT.EDUraeburn", -1,
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1200,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\x5c\x08\xeb\x61\xfd\xf7\x1e\x4e\x4e\xc3\xcf\x6b\xa1\xf5\x51\x2b",
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"\x4c\x01\xcd\x46\xd6\x32\xd0\x1e\x6d\xbe\x23\x0a\x01\xed\x64\x2a"
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},
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{
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"password", "ATHENA.MIT.EDUraeburn", -1,
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1200,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\x5c\x08\xeb\x61\xfd\xf7\x1e\x4e\x4e\xc3\xcf\x6b\xa1\xf5\x51\x2b"
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"\xa7\xe5\x2d\xdb\xc5\xe5\x14\x2f\x70\x8a\x31\xe2\xe6\x2b\x1e\x13",
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"\x55\xa6\xac\x74\x0a\xd1\x7b\x48\x46\x94\x10\x51\xe1\xe8\xb0\xa7"
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"\x54\x8d\x93\xb0\xab\x30\xa8\xbc\x3f\xf1\x62\x80\x38\x2b\x8c\x2a"
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},
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{
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"password", "\x12\x34\x56\x78\x78\x56\x34\x12", 8,
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5,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\xd1\xda\xa7\x86\x15\xf2\x87\xe6\xa1\xc8\xb1\x20\xd7\x06\x2a\x49",
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"\xe9\xb2\x3d\x52\x27\x37\x47\xdd\x5c\x35\xcb\x55\xbe\x61\x9d\x8e"
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},
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{
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"password", "\x12\x34\x56\x78\x78\x56\x34\x12", 8,
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5,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\xd1\xda\xa7\x86\x15\xf2\x87\xe6\xa1\xc8\xb1\x20\xd7\x06\x2a\x49"
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"\x3f\x98\xd2\x03\xe6\xbe\x49\xa6\xad\xf4\xfa\x57\x4b\x6e\x64\xee",
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"\x97\xa4\xe7\x86\xbe\x20\xd8\x1a\x38\x2d\x5e\xbc\x96\xd5\x90\x9c"
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"\xab\xcd\xad\xc8\x7c\xa4\x8f\x57\x45\x04\x15\x9f\x16\xc3\x6e\x31"
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},
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{
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
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"pass phrase equals block size", -1,
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1200,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\x13\x9c\x30\xc0\x96\x6b\xc3\x2b\xa5\x5f\xdb\xf2\x12\x53\x0a\xc9",
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"\x59\xd1\xbb\x78\x9a\x82\x8b\x1a\xa5\x4e\xf9\xc2\x88\x3f\x69\xed"
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},
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{
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
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"pass phrase equals block size", -1,
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1200,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\x13\x9c\x30\xc0\x96\x6b\xc3\x2b\xa5\x5f\xdb\xf2\x12\x53\x0a\xc9"
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"\xc5\xec\x59\xf1\xa4\x52\xf5\xcc\x9a\xd9\x40\xfe\xa0\x59\x8e\xd1",
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"\x89\xad\xee\x36\x08\xdb\x8b\xc7\x1f\x1b\xfb\xfe\x45\x94\x86\xb0"
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"\x56\x18\xb7\x0c\xba\xe2\x20\x92\x53\x4e\x56\xc5\x53\xba\x4b\x34"
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},
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{
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
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"pass phrase exceeds block size", -1,
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1200,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\x9c\xca\xd6\xd4\x68\x77\x0c\xd5\x1b\x10\xe6\xa6\x87\x21\xbe\x61",
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"\xcb\x80\x05\xdc\x5f\x90\x17\x9a\x7f\x02\x10\x4c\x00\x18\x75\x1d"
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},
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{
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
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"pass phrase exceeds block size", -1,
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1200,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\x9c\xca\xd6\xd4\x68\x77\x0c\xd5\x1b\x10\xe6\xa6\x87\x21\xbe\x61"
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"\x1a\x8b\x4d\x28\x26\x01\xdb\x3b\x36\xbe\x92\x46\x91\x5e\xc8\x2a",
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"\xd7\x8c\x5c\x9c\xb8\x72\xa8\xc9\xda\xd4\x69\x7f\x0b\xb5\xb2\xd2"
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"\x14\x96\xc8\x2b\xeb\x2c\xae\xda\x21\x12\xfc\xee\xa0\x57\x40\x1b"
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},
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{
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"\xf0\x9d\x84\x9e" /* g-clef */, "EXAMPLE.COMpianist", -1,
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50,
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ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
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"\x6b\x9c\xf2\x6d\x45\x45\x5a\x43\xa5\xb8\xbb\x27\x6a\x40\x3b\x39",
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"\xf1\x49\xc1\xf2\xe1\x54\xa7\x34\x52\xd4\x3e\x7f\xe6\x2a\x56\xe5"
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},
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{
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"\xf0\x9d\x84\x9e" /* g-clef */, "EXAMPLE.COMpianist", -1,
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50,
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ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
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"\x6b\x9c\xf2\x6d\x45\x45\x5a\x43\xa5\xb8\xbb\x27\x6a\x40\x3b\x39"
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"\xe7\xfe\x37\xa0\xc4\x1e\x02\xc2\x81\xff\x30\x69\xe1\xe9\x4f\x52",
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"\x4b\x6d\x98\x39\xf8\x44\x06\xdf\x1f\x09\xcc\x16\x6d\xb4\xb8\x3c"
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"\x57\x18\x48\xb7\x84\xa3\xd6\xbd\xc3\x46\x58\x9a\x3e\x39\x3f\x9e"
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},
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{
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"foo", "", -1,
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0,
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ETYPE_ARCFOUR_HMAC_MD5, 16,
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NULL,
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"\xac\x8e\x65\x7f\x83\xdf\x82\xbe\xea\x5d\x43\xbd\xaf\x78\x00\xcc"
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},
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{
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"test", "", -1,
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0,
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ETYPE_ARCFOUR_HMAC_MD5, 16,
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NULL,
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"\x0c\xb6\x94\x88\x05\xf7\x97\xbf\x2a\x82\x80\x79\x73\xb8\x95\x37"
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}
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};
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static int
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string_to_key_test(krb5_context context)
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{
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krb5_data password, opaque;
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krb5_error_code ret;
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krb5_salt salt;
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int i, val = 0;
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char iter[4];
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for (i = 0; i < sizeof(keys)/sizeof(keys[0]); i++) {
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password.data = keys[i].password;
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password.length = strlen(password.data);
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salt.salttype = KRB5_PW_SALT;
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salt.saltvalue.data = keys[i].salt;
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if (keys[i].saltlen == -1)
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salt.saltvalue.length = strlen(salt.saltvalue.data);
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else
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salt.saltvalue.length = keys[i].saltlen;
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opaque.data = iter;
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opaque.length = sizeof(iter);
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_krb5_put_int(iter, keys[i].iterations, 4);
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if (keys[i].pbkdf2) {
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unsigned char keyout[32];
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if (keys[i].keylen > sizeof(keyout))
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abort();
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PKCS5_PBKDF2_HMAC_SHA1(password.data, password.length,
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salt.saltvalue.data, salt.saltvalue.length,
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keys[i].iterations,
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keys[i].keylen, keyout);
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if (memcmp(keyout, keys[i].pbkdf2, keys[i].keylen) != 0) {
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krb5_warnx(context, "%d: pbkdf2", i);
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val = 1;
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continue;
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}
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if (verbose) {
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printf("PBKDF2:\n");
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hex_dump_data(keyout, keys[i].keylen);
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}
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}
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{
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krb5_keyblock key;
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ret = krb5_string_to_key_data_salt_opaque (context,
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keys[i].enctype,
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password,
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salt,
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opaque,
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&key);
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if (ret) {
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krb5_warn(context, ret, "%d: string_to_key_data_salt_opaque",
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i);
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val = 1;
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continue;
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}
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if (key.keyvalue.length != keys[i].keylen) {
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krb5_warnx(context, "%d: key wrong length (%lu/%lu)",
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i, (unsigned long)key.keyvalue.length,
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(unsigned long)keys[i].keylen);
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val = 1;
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continue;
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}
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if (memcmp(key.keyvalue.data, keys[i].key, keys[i].keylen) != 0) {
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krb5_warnx(context, "%d: key wrong", i);
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val = 1;
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continue;
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}
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if (verbose) {
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printf("key:\n");
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hex_dump_data(key.keyvalue.data, key.keyvalue.length);
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}
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krb5_free_keyblock_contents(context, &key);
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}
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}
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return val;
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}
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static int
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krb_enc(krb5_context context,
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krb5_crypto crypto,
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unsigned usage,
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krb5_data *cipher,
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krb5_data *clear)
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{
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krb5_data decrypt;
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krb5_error_code ret;
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krb5_data_zero(&decrypt);
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ret = krb5_decrypt(context,
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crypto,
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usage,
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cipher->data,
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cipher->length,
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&decrypt);
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if (ret) {
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krb5_warn(context, ret, "krb5_decrypt");
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return ret;
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}
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if (decrypt.length != clear->length ||
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memcmp(decrypt.data, clear->data, decrypt.length) != 0) {
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krb5_warnx(context, "clear text not same");
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return EINVAL;
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}
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krb5_data_free(&decrypt);
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return 0;
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}
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static int
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krb_enc_iov2(krb5_context context,
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krb5_crypto crypto,
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unsigned usage,
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size_t cipher_len,
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krb5_data *clear)
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{
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krb5_crypto_iov iov[4];
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krb5_data decrypt;
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int ret;
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char *p, *q;
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size_t len, i;
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p = clear->data;
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len = clear->length;
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iov[0].flags = KRB5_CRYPTO_TYPE_HEADER;
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krb5_crypto_length(context, crypto, iov[0].flags, &iov[0].data.length);
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iov[0].data.data = emalloc(iov[0].data.length);
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iov[1].flags = KRB5_CRYPTO_TYPE_DATA;
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iov[1].data.length = len;
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iov[1].data.data = emalloc(iov[1].data.length);
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memcpy(iov[1].data.data, p, iov[1].data.length);
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/* padding buffer */
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iov[2].flags = KRB5_CRYPTO_TYPE_PADDING;
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krb5_crypto_length(context, crypto, KRB5_CRYPTO_TYPE_PADDING, &iov[2].data.length);
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iov[2].data.data = emalloc(iov[2].data.length);
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iov[3].flags = KRB5_CRYPTO_TYPE_TRAILER;
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krb5_crypto_length(context, crypto, iov[3].flags, &iov[3].data.length);
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iov[3].data.data = emalloc(iov[3].data.length);
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ret = krb5_encrypt_iov_ivec(context, crypto, usage,
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iov, sizeof(iov)/sizeof(iov[0]), NULL);
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if (ret)
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errx(1, "encrypt iov failed: %d", ret);
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/* check len */
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for (i = 0, len = 0; i < sizeof(iov)/sizeof(iov[0]); i++)
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len += iov[i].data.length;
|
|
if (len != cipher_len)
|
|
errx(1, "cipher len wrong");
|
|
|
|
/*
|
|
* Plain decrypt
|
|
*/
|
|
|
|
p = q = emalloc(len);
|
|
for (i = 0; i < sizeof(iov)/sizeof(iov[0]); i++) {
|
|
memcpy(q, iov[i].data.data, iov[i].data.length);
|
|
q += iov[i].data.length;
|
|
}
|
|
|
|
ret = krb5_decrypt(context, crypto, usage, p, len, &decrypt);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_decrypt");
|
|
else
|
|
krb5_data_free(&decrypt);
|
|
|
|
free(p);
|
|
|
|
/*
|
|
* Now decrypt use iov
|
|
*/
|
|
|
|
/* padding turn into data */
|
|
p = q = emalloc(iov[1].data.length + iov[2].data.length);
|
|
|
|
memcpy(q, iov[1].data.data, iov[1].data.length);
|
|
q += iov[1].data.length;
|
|
memcpy(q, iov[2].data.data, iov[2].data.length);
|
|
|
|
free(iov[1].data.data);
|
|
free(iov[2].data.data);
|
|
|
|
iov[1].data.data = p;
|
|
iov[1].data.length += iov[2].data.length;
|
|
|
|
iov[2].flags = KRB5_CRYPTO_TYPE_EMPTY;
|
|
iov[2].data.length = 0;
|
|
|
|
ret = krb5_decrypt_iov_ivec(context, crypto, usage,
|
|
iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
free(iov[0].data.data);
|
|
free(iov[3].data.data);
|
|
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "decrypt iov failed: %d", ret);
|
|
|
|
if (clear->length != iov[1].data.length)
|
|
errx(1, "length incorrect");
|
|
|
|
p = clear->data;
|
|
if (memcmp(iov[1].data.data, p, iov[1].data.length) != 0)
|
|
errx(1, "iov[1] incorrect");
|
|
|
|
free(iov[1].data.data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
krb_enc_iov(krb5_context context,
|
|
krb5_crypto crypto,
|
|
unsigned usage,
|
|
krb5_data *cipher,
|
|
krb5_data *clear)
|
|
{
|
|
krb5_crypto_iov iov[3];
|
|
int ret;
|
|
char *p;
|
|
size_t len;
|
|
|
|
p = cipher->data;
|
|
len = cipher->length;
|
|
|
|
iov[0].flags = KRB5_CRYPTO_TYPE_HEADER;
|
|
krb5_crypto_length(context, crypto, iov[0].flags, &iov[0].data.length);
|
|
iov[0].data.data = emalloc(iov[0].data.length);
|
|
memcpy(iov[0].data.data, p, iov[0].data.length);
|
|
p += iov[0].data.length;
|
|
len -= iov[0].data.length;
|
|
|
|
iov[1].flags = KRB5_CRYPTO_TYPE_TRAILER;
|
|
krb5_crypto_length(context, crypto, iov[1].flags, &iov[1].data.length);
|
|
iov[1].data.data = emalloc(iov[1].data.length);
|
|
memcpy(iov[1].data.data, p + len - iov[1].data.length, iov[1].data.length);
|
|
len -= iov[1].data.length;
|
|
|
|
iov[2].flags = KRB5_CRYPTO_TYPE_DATA;
|
|
iov[2].data.length = len;
|
|
iov[2].data.data = emalloc(len);
|
|
memcpy(iov[2].data.data, p, len);
|
|
|
|
ret = krb5_decrypt_iov_ivec(context, crypto, usage,
|
|
iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb_enc_iov decrypt iov failed: %d", ret);
|
|
|
|
if (clear->length != iov[2].data.length)
|
|
errx(1, "length incorrect");
|
|
|
|
p = clear->data;
|
|
if (memcmp(iov[2].data.data, p, iov[2].data.length) != 0)
|
|
errx(1, "iov[2] incorrect");
|
|
|
|
free(iov[0].data.data);
|
|
free(iov[1].data.data);
|
|
free(iov[2].data.data);
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
krb_checksum_iov(krb5_context context,
|
|
krb5_crypto crypto,
|
|
unsigned usage,
|
|
krb5_data *plain)
|
|
{
|
|
krb5_crypto_iov iov[4];
|
|
int ret;
|
|
char *p;
|
|
size_t len;
|
|
|
|
p = plain->data;
|
|
len = plain->length;
|
|
|
|
iov[0].flags = KRB5_CRYPTO_TYPE_CHECKSUM;
|
|
krb5_crypto_length(context, crypto, iov[0].flags, &iov[0].data.length);
|
|
iov[0].data.data = emalloc(iov[0].data.length);
|
|
|
|
iov[1].flags = KRB5_CRYPTO_TYPE_DATA;
|
|
iov[1].data.length = len;
|
|
iov[1].data.data = p;
|
|
|
|
iov[2].flags = KRB5_CRYPTO_TYPE_TRAILER;
|
|
krb5_crypto_length(context, crypto, iov[0].flags, &iov[2].data.length);
|
|
iov[2].data.data = malloc(iov[2].data.length);
|
|
|
|
ret = krb5_create_checksum_iov(context, crypto, usage,
|
|
iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_create_checksum_iov failed");
|
|
|
|
ret = krb5_verify_checksum_iov(context, crypto, usage, iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_verify_checksum_iov");
|
|
|
|
free(iov[0].data.data);
|
|
free(iov[2].data.data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
krb_enc_mit(krb5_context context,
|
|
krb5_enctype enctype,
|
|
krb5_keyblock *key,
|
|
unsigned usage,
|
|
krb5_data *cipher,
|
|
krb5_data *clear)
|
|
{
|
|
#ifndef HEIMDAL_SMALLER
|
|
krb5_error_code ret;
|
|
krb5_enc_data e;
|
|
krb5_data decrypt;
|
|
size_t len;
|
|
|
|
e.kvno = 0;
|
|
e.enctype = enctype;
|
|
e.ciphertext = *cipher;
|
|
|
|
ret = krb5_c_decrypt(context, *key, usage, NULL, &e, &decrypt);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (decrypt.length != clear->length ||
|
|
memcmp(decrypt.data, clear->data, decrypt.length) != 0) {
|
|
krb5_warnx(context, "clear text not same");
|
|
return EINVAL;
|
|
}
|
|
|
|
krb5_data_free(&decrypt);
|
|
|
|
ret = krb5_c_encrypt_length(context, enctype, clear->length, &len);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (len != cipher->length) {
|
|
krb5_warnx(context, "c_encrypt_length wrong %lu != %lu",
|
|
(unsigned long)len, (unsigned long)cipher->length);
|
|
return EINVAL;
|
|
}
|
|
#endif /* HEIMDAL_SMALLER */
|
|
return 0;
|
|
}
|
|
|
|
|
|
struct {
|
|
krb5_enctype enctype;
|
|
unsigned usage;
|
|
size_t keylen;
|
|
void *key;
|
|
size_t elen;
|
|
void* edata;
|
|
size_t plen;
|
|
void *pdata;
|
|
} krbencs[] = {
|
|
{
|
|
ETYPE_AES256_CTS_HMAC_SHA1_96,
|
|
7,
|
|
32,
|
|
"\x47\x75\x69\x64\x65\x6c\x69\x6e\x65\x73\x20\x74\x6f\x20\x41\x75"
|
|
"\x74\x68\x6f\x72\x73\x20\x6f\x66\x20\x49\x6e\x74\x65\x72\x6e\x65",
|
|
44,
|
|
"\xcf\x79\x8f\x0d\x76\xf3\xe0\xbe\x8e\x66\x94\x70\xfa\xcc\x9e\x91"
|
|
"\xa9\xec\x1c\x5c\x21\xfb\x6e\xef\x1a\x7a\xc8\xc1\xcc\x5a\x95\x24"
|
|
"\x6f\x9f\xf4\xd5\xbe\x5d\x59\x97\x44\xd8\x47\xcd",
|
|
16,
|
|
"\x54\x68\x69\x73\x20\x69\x73\x20\x61\x20\x74\x65\x73\x74\x2e\x0a"
|
|
}
|
|
};
|
|
|
|
|
|
static int
|
|
krb_enc_test(krb5_context context)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_crypto crypto;
|
|
krb5_keyblock kb;
|
|
krb5_data cipher, plain;
|
|
int i;
|
|
|
|
for (i = 0; i < sizeof(krbencs)/sizeof(krbencs[0]); i++) {
|
|
|
|
kb.keytype = krbencs[i].enctype;
|
|
kb.keyvalue.length = krbencs[i].keylen;
|
|
kb.keyvalue.data = krbencs[i].key;
|
|
|
|
ret = krb5_crypto_init(context, &kb, krbencs[i].enctype, &crypto);
|
|
|
|
cipher.length = krbencs[i].elen;
|
|
cipher.data = krbencs[i].edata;
|
|
plain.length = krbencs[i].plen;
|
|
plain.data = krbencs[i].pdata;
|
|
|
|
ret = krb_enc(context, crypto, krbencs[i].usage, &cipher, &plain);
|
|
|
|
if (ret)
|
|
errx(1, "krb_enc failed with %d for test %d", ret, i);
|
|
|
|
ret = krb_enc_iov(context, crypto, krbencs[i].usage, &cipher, &plain);
|
|
if (ret)
|
|
errx(1, "krb_enc_iov failed with %d for test %d", ret, i);
|
|
|
|
ret = krb_enc_iov2(context, crypto, krbencs[i].usage,
|
|
cipher.length, &plain);
|
|
if (ret)
|
|
errx(1, "krb_enc_iov2 failed with %d for test %d", ret, i);
|
|
|
|
ret = krb_checksum_iov(context, crypto, krbencs[i].usage, &plain);
|
|
if (ret)
|
|
errx(1, "krb_checksum_iov failed with %d for test %d", ret, i);
|
|
|
|
krb5_crypto_destroy(context, crypto);
|
|
|
|
ret = krb_enc_mit(context, krbencs[i].enctype, &kb,
|
|
krbencs[i].usage, &cipher, &plain);
|
|
if (ret)
|
|
errx(1, "krb_enc_mit failed with %d for test %d", ret, i);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iov_test(krb5_context context)
|
|
{
|
|
krb5_enctype enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;
|
|
krb5_error_code ret;
|
|
krb5_crypto crypto;
|
|
krb5_keyblock key;
|
|
krb5_data signonly, in, in2;
|
|
krb5_crypto_iov iov[6];
|
|
size_t len, i;
|
|
unsigned char *base, *p;
|
|
|
|
ret = krb5_generate_random_keyblock(context, enctype, &key);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
|
|
|
|
ret = krb5_crypto_init(context, &key, 0, &crypto);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_crypto_init");
|
|
|
|
|
|
ret = krb5_crypto_length(context, crypto, KRB5_CRYPTO_TYPE_HEADER, &len);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_crypto_length");
|
|
|
|
signonly.data = "This should be signed";
|
|
signonly.length = strlen(signonly.data);
|
|
in.data = "inputdata";
|
|
in.length = strlen(in.data);
|
|
|
|
in2.data = "INPUTDATA";
|
|
in2.length = strlen(in2.data);
|
|
|
|
|
|
memset(iov, 0, sizeof(iov));
|
|
|
|
iov[0].flags = KRB5_CRYPTO_TYPE_HEADER;
|
|
iov[1].flags = KRB5_CRYPTO_TYPE_DATA;
|
|
iov[1].data = in;
|
|
iov[2].flags = KRB5_CRYPTO_TYPE_SIGN_ONLY;
|
|
iov[2].data = signonly;
|
|
iov[3].flags = KRB5_CRYPTO_TYPE_EMPTY;
|
|
iov[4].flags = KRB5_CRYPTO_TYPE_PADDING;
|
|
iov[5].flags = KRB5_CRYPTO_TYPE_TRAILER;
|
|
|
|
ret = krb5_crypto_length_iov(context, crypto, iov,
|
|
sizeof(iov)/sizeof(iov[0]));
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_crypto_length_iov");
|
|
|
|
for (len = 0, i = 0; i < sizeof(iov)/sizeof(iov[0]); i++) {
|
|
if (iov[i].flags == KRB5_CRYPTO_TYPE_SIGN_ONLY)
|
|
continue;
|
|
len += iov[i].data.length;
|
|
}
|
|
|
|
base = emalloc(len);
|
|
|
|
/*
|
|
* Allocate data for the fields
|
|
*/
|
|
|
|
for (p = base, i = 0; i < sizeof(iov)/sizeof(iov[0]); i++) {
|
|
if (iov[i].flags == KRB5_CRYPTO_TYPE_SIGN_ONLY)
|
|
continue;;
|
|
iov[i].data.data = p;
|
|
p += iov[i].data.length;
|
|
}
|
|
assert(iov[1].data.length == in.length);
|
|
memcpy(iov[1].data.data, in.data, iov[1].data.length);
|
|
|
|
/*
|
|
* Encrypt
|
|
*/
|
|
|
|
ret = krb5_encrypt_iov_ivec(context, crypto, 7, iov,
|
|
sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_encrypt_iov_ivec");
|
|
|
|
/*
|
|
* Decrypt
|
|
*/
|
|
|
|
ret = krb5_decrypt_iov_ivec(context, crypto, 7,
|
|
iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_decrypt_iov_ivec");
|
|
|
|
/*
|
|
* Verify data
|
|
*/
|
|
|
|
if (krb5_data_cmp(&iov[1].data, &in) != 0)
|
|
krb5_errx(context, 1, "decrypted data not same");
|
|
|
|
/*
|
|
* Free memory
|
|
*/
|
|
|
|
free(base);
|
|
|
|
/* Set up for second try */
|
|
|
|
iov[3].flags = KRB5_CRYPTO_TYPE_DATA;
|
|
iov[3].data = in;
|
|
|
|
ret = krb5_crypto_length_iov(context, crypto,
|
|
iov, sizeof(iov)/sizeof(iov[0]));
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_crypto_length_iov");
|
|
|
|
for (len = 0, i = 0; i < sizeof(iov)/sizeof(iov[0]); i++) {
|
|
if (iov[i].flags == KRB5_CRYPTO_TYPE_SIGN_ONLY)
|
|
continue;
|
|
len += iov[i].data.length;
|
|
}
|
|
|
|
base = emalloc(len);
|
|
|
|
/*
|
|
* Allocate data for the fields
|
|
*/
|
|
|
|
for (p = base, i = 0; i < sizeof(iov)/sizeof(iov[0]); i++) {
|
|
if (iov[i].flags == KRB5_CRYPTO_TYPE_SIGN_ONLY)
|
|
continue;;
|
|
iov[i].data.data = p;
|
|
p += iov[i].data.length;
|
|
}
|
|
assert(iov[1].data.length == in.length);
|
|
memcpy(iov[1].data.data, in.data, iov[1].data.length);
|
|
|
|
assert(iov[3].data.length == in2.length);
|
|
memcpy(iov[3].data.data, in2.data, iov[3].data.length);
|
|
|
|
|
|
|
|
/*
|
|
* Encrypt
|
|
*/
|
|
|
|
ret = krb5_encrypt_iov_ivec(context, crypto, 7,
|
|
iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_encrypt_iov_ivec");
|
|
|
|
/*
|
|
* Decrypt
|
|
*/
|
|
|
|
ret = krb5_decrypt_iov_ivec(context, crypto, 7,
|
|
iov, sizeof(iov)/sizeof(iov[0]), NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_decrypt_iov_ivec");
|
|
|
|
/*
|
|
* Verify data
|
|
*/
|
|
|
|
if (krb5_data_cmp(&iov[1].data, &in) != 0)
|
|
krb5_errx(context, 1, "decrypted data 2.1 not same");
|
|
|
|
if (krb5_data_cmp(&iov[3].data, &in2) != 0)
|
|
krb5_errx(context, 1, "decrypted data 2.2 not same");
|
|
|
|
/*
|
|
* Free memory
|
|
*/
|
|
|
|
free(base);
|
|
|
|
krb5_crypto_destroy(context, crypto);
|
|
|
|
krb5_free_keyblock_contents(context, &key);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
random_to_key(krb5_context context)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_keyblock key;
|
|
|
|
ret = krb5_random_to_key(context,
|
|
ETYPE_DES3_CBC_SHA1,
|
|
"\x21\x39\x04\x58\x6A\xBD\x7F"
|
|
"\x21\x39\x04\x58\x6A\xBD\x7F"
|
|
"\x21\x39\x04\x58\x6A\xBD\x7F",
|
|
21,
|
|
&key);
|
|
if (ret){
|
|
krb5_warn(context, ret, "random_to_key");
|
|
return 1;
|
|
}
|
|
if (key.keyvalue.length != 24)
|
|
return 1;
|
|
|
|
if (memcmp(key.keyvalue.data,
|
|
"\x20\x38\x04\x58\x6b\xbc\x7f\xc7"
|
|
"\x20\x38\x04\x58\x6b\xbc\x7f\xc7"
|
|
"\x20\x38\x04\x58\x6b\xbc\x7f\xc7",
|
|
24) != 0)
|
|
return 1;
|
|
|
|
krb5_free_keyblock_contents(context, &key);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_context context;
|
|
int val = 0;
|
|
|
|
ret = krb5_init_context (&context);
|
|
if (ret)
|
|
errx (1, "krb5_init_context failed: %d", ret);
|
|
|
|
val |= string_to_key_test(context);
|
|
|
|
val |= krb_enc_test(context);
|
|
val |= random_to_key(context);
|
|
val |= iov_test(context);
|
|
|
|
if (verbose && val == 0)
|
|
printf("all ok\n");
|
|
if (val)
|
|
printf("tests failed\n");
|
|
|
|
krb5_free_context(context);
|
|
|
|
return val;
|
|
}
|