diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/test_crypto_wrapping.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/test_crypto_wrapping.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/test_crypto_wrapping.c b/crypto/heimdal/lib/krb5/test_crypto_wrapping.c new file mode 100644 index 0000000..1618fdf --- /dev/null +++ b/crypto/heimdal/lib/krb5/test_crypto_wrapping.c @@ -0,0 +1,164 @@ +/* + * Copyright (c) 2005 Kungliga Tekniska Högskolan + * (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: test_crypto_wrapping.c 18809 2006-10-22 07:11:43Z lha $"); + +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 %lu using %s", + (unsigned long)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(etype_name); + 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_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; +} |
