test encryption wrapping
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15596 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
165
lib/krb5/test_crypto_wrapping.c
Normal file
165
lib/krb5/test_crypto_wrapping.c
Normal file
@@ -0,0 +1,165 @@
|
||||
/*
|
||||
* Copyright (c) 2005 Kungliga Tekniska H<>gskolan
|
||||
* (Royal Institute of Technology, Stockholm, Sweden).
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. Neither the name of KTH nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
|
||||
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||||
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
|
||||
|
||||
#include "krb5_locl.h"
|
||||
#include <err.h>
|
||||
#include <getarg.h>
|
||||
|
||||
RCSID("$Id$");
|
||||
|
||||
static void
|
||||
test_wrapping(krb5_context context,
|
||||
size_t min_size,
|
||||
size_t max_size,
|
||||
size_t step,
|
||||
krb5_enctype etype)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
krb5_keyblock key;
|
||||
krb5_crypto crypto;
|
||||
krb5_data data;
|
||||
char *etype_name;
|
||||
void *buf;
|
||||
size_t size;
|
||||
|
||||
ret = krb5_generate_random_keyblock(context, etype, &key);
|
||||
if (ret)
|
||||
krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
|
||||
|
||||
ret = krb5_enctype_to_string(context, etype, &etype_name);
|
||||
if (ret)
|
||||
krb5_err(context, 1, ret, "krb5_enctype_to_string");
|
||||
|
||||
buf = malloc(max_size);
|
||||
if (buf == NULL)
|
||||
krb5_errx(context, 1, "out of memory");
|
||||
memset(buf, 0, max_size);
|
||||
|
||||
ret = krb5_crypto_init(context, &key, 0, &crypto);
|
||||
if (ret)
|
||||
krb5_err(context, 1, ret, "krb5_crypto_init");
|
||||
|
||||
for (size = min_size; size < max_size; size += step) {
|
||||
size_t wrapped_size;
|
||||
|
||||
ret = krb5_encrypt(context, crypto, 0, buf, size, &data);
|
||||
if (ret)
|
||||
krb5_err(context, 1, ret, "encrypt size %d using %s",
|
||||
size, etype_name);
|
||||
|
||||
wrapped_size = krb5_get_wrapped_length(context, crypto, size);
|
||||
|
||||
if (wrapped_size != data.length)
|
||||
krb5_errx(context, 1, "calculated wrapped length %lu != "
|
||||
"real wrapped length %lu for data length %lu using "
|
||||
"enctype %s",
|
||||
(unsigned long)wrapped_size,
|
||||
(unsigned long)data.length,
|
||||
(unsigned long)size,
|
||||
etype_name);
|
||||
krb5_data_free(&data);
|
||||
}
|
||||
|
||||
free(buf);
|
||||
krb5_crypto_destroy(context, crypto);
|
||||
krb5_free_keyblock_contents(context, &key);
|
||||
}
|
||||
|
||||
|
||||
|
||||
static int version_flag = 0;
|
||||
static int help_flag = 0;
|
||||
|
||||
static struct getargs args[] = {
|
||||
{"version", 0, arg_flag, &version_flag,
|
||||
"print version", NULL },
|
||||
{"help", 0, arg_flag, &help_flag,
|
||||
NULL, NULL }
|
||||
};
|
||||
|
||||
static void
|
||||
usage (int ret)
|
||||
{
|
||||
arg_printusage (args,
|
||||
sizeof(args)/sizeof(*args),
|
||||
NULL,
|
||||
"");
|
||||
exit (ret);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
krb5_context context;
|
||||
krb5_error_code ret;
|
||||
int i, optidx = 0;
|
||||
|
||||
krb5_enctype enctypes[] = {
|
||||
ETYPE_DES_CBC_CRC,
|
||||
ETYPE_DES_CBC_MD4,
|
||||
ETYPE_DES_CBC_MD5,
|
||||
ETYPE_DES3_CBC_SHA1,
|
||||
ETYPE_ARCFOUR_HMAC_MD5,
|
||||
ETYPE_ARCFOUR_HMAC_MD5_56,
|
||||
ETYPE_AES128_CTS_HMAC_SHA1_96,
|
||||
ETYPE_AES256_CTS_HMAC_SHA1_96
|
||||
};
|
||||
|
||||
setprogname(argv[0]);
|
||||
|
||||
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
|
||||
usage(1);
|
||||
|
||||
if (help_flag)
|
||||
usage (0);
|
||||
|
||||
if(version_flag){
|
||||
print_version(NULL);
|
||||
exit(0);
|
||||
}
|
||||
|
||||
argc -= optidx;
|
||||
argv += optidx;
|
||||
|
||||
|
||||
ret = krb5_init_context(&context);
|
||||
if (ret)
|
||||
errx (1, "krb5_init_context failed: %d", ret);
|
||||
|
||||
for (i = 0; i < sizeof(enctypes)/sizeof(enctypes[0]); i++) {
|
||||
test_wrapping(context, 0, 1024, 1, enctypes[i]);
|
||||
test_wrapping(context, 1024, 1024 * 100, 1024, enctypes[i]);
|
||||
}
|
||||
krb5_free_context(context);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user