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heimdal/lib/krb5/aes-test.c
Nicolas Williams 8e9ad6eda2 krb5: Fix UB
2022-11-01 16:10:57 -05:00

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/*
* Copyright (c) 2003-2016 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 <hex.h>
#include <err.h>
#include <assert.h>
static int verbose = 0;
static void
hex_dump_data(const void *data, size_t length)
{
char *p;
hex_encode(data, length, &p);
printf("%s\n", p);
free(p);
}
struct {
char *password;
char *salt;
int saltlen;
int iterations;
krb5_enctype enctype;
size_t keylen;
char *pbkdf2;
char *key;
} keys[] = {
{
"password",
"\x10\xDF\x9D\xD7\x83\xE5\xBC\x8A\xCE\xA1\x73\x0E\x74\x35\x5F\x61"
"ATHENA.MIT.EDUraeburn",
37,
32768,
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128,
16,
NULL,
"\x08\x9B\xCA\x48\xB1\x05\xEA\x6E\xA7\x7C\xA5\xD2\xF3\x9D\xC5\xE7"
},
{
"password",
"\x10\xDF\x9D\xD7\x83\xE5\xBC\x8A\xCE\xA1\x73\x0E\x74\x35\x5F\x61"
"ATHENA.MIT.EDUraeburn",
37,
32768,
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192,
32,
NULL,
"\x45\xBD\x80\x6D\xBF\x6A\x83\x3A\x9C\xFF\xC1\xC9\x45\x89\xA2\x22"
"\x36\x7A\x79\xBC\x21\xC4\x13\x71\x89\x06\xE9\xF5\x78\xA7\x84\x67"
},
{
"password", "ATHENA.MIT.EDUraeburn", -1,
1,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\xcd\xed\xb5\x28\x1b\xb2\xf8\x01\x56\x5a\x11\x22\xb2\x56\x35\x15",
"\x42\x26\x3c\x6e\x89\xf4\xfc\x28\xb8\xdf\x68\xee\x09\x79\x9f\x15"
},
{
"password", "ATHENA.MIT.EDUraeburn", -1,
1,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\xcd\xed\xb5\x28\x1b\xb2\xf8\x01\x56\x5a\x11\x22\xb2\x56\x35\x15"
"\x0a\xd1\xf7\xa0\x4b\xb9\xf3\xa3\x33\xec\xc0\xe2\xe1\xf7\x08\x37",
"\xfe\x69\x7b\x52\xbc\x0d\x3c\xe1\x44\x32\xba\x03\x6a\x92\xe6\x5b"
"\xbb\x52\x28\x09\x90\xa2\xfa\x27\x88\x39\x98\xd7\x2a\xf3\x01\x61"
},
{
"password", "ATHENA.MIT.EDUraeburn", -1,
2,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\x01\xdb\xee\x7f\x4a\x9e\x24\x3e\x98\x8b\x62\xc7\x3c\xda\x93\x5d",
"\xc6\x51\xbf\x29\xe2\x30\x0a\xc2\x7f\xa4\x69\xd6\x93\xbd\xda\x13"
},
{
"password", "ATHENA.MIT.EDUraeburn", -1,
2,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\x01\xdb\xee\x7f\x4a\x9e\x24\x3e\x98\x8b\x62\xc7\x3c\xda\x93\x5d"
"\xa0\x53\x78\xb9\x32\x44\xec\x8f\x48\xa9\x9e\x61\xad\x79\x9d\x86",
"\xa2\xe1\x6d\x16\xb3\x60\x69\xc1\x35\xd5\xe9\xd2\xe2\x5f\x89\x61"
"\x02\x68\x56\x18\xb9\x59\x14\xb4\x67\xc6\x76\x22\x22\x58\x24\xff"
},
{
"password", "ATHENA.MIT.EDUraeburn", -1,
1200,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\x5c\x08\xeb\x61\xfd\xf7\x1e\x4e\x4e\xc3\xcf\x6b\xa1\xf5\x51\x2b",
"\x4c\x01\xcd\x46\xd6\x32\xd0\x1e\x6d\xbe\x23\x0a\x01\xed\x64\x2a"
},
{
"password", "ATHENA.MIT.EDUraeburn", -1,
1200,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\x5c\x08\xeb\x61\xfd\xf7\x1e\x4e\x4e\xc3\xcf\x6b\xa1\xf5\x51\x2b"
"\xa7\xe5\x2d\xdb\xc5\xe5\x14\x2f\x70\x8a\x31\xe2\xe6\x2b\x1e\x13",
"\x55\xa6\xac\x74\x0a\xd1\x7b\x48\x46\x94\x10\x51\xe1\xe8\xb0\xa7"
"\x54\x8d\x93\xb0\xab\x30\xa8\xbc\x3f\xf1\x62\x80\x38\x2b\x8c\x2a"
},
{
"password", "\x12\x34\x56\x78\x78\x56\x34\x12", 8,
5,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\xd1\xda\xa7\x86\x15\xf2\x87\xe6\xa1\xc8\xb1\x20\xd7\x06\x2a\x49",
"\xe9\xb2\x3d\x52\x27\x37\x47\xdd\x5c\x35\xcb\x55\xbe\x61\x9d\x8e"
},
{
"password", "\x12\x34\x56\x78\x78\x56\x34\x12", 8,
5,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\xd1\xda\xa7\x86\x15\xf2\x87\xe6\xa1\xc8\xb1\x20\xd7\x06\x2a\x49"
"\x3f\x98\xd2\x03\xe6\xbe\x49\xa6\xad\xf4\xfa\x57\x4b\x6e\x64\xee",
"\x97\xa4\xe7\x86\xbe\x20\xd8\x1a\x38\x2d\x5e\xbc\x96\xd5\x90\x9c"
"\xab\xcd\xad\xc8\x7c\xa4\x8f\x57\x45\x04\x15\x9f\x16\xc3\x6e\x31"
},
{
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
"pass phrase equals block size", -1,
1200,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\x13\x9c\x30\xc0\x96\x6b\xc3\x2b\xa5\x5f\xdb\xf2\x12\x53\x0a\xc9",
"\x59\xd1\xbb\x78\x9a\x82\x8b\x1a\xa5\x4e\xf9\xc2\x88\x3f\x69\xed"
},
{
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
"pass phrase equals block size", -1,
1200,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\x13\x9c\x30\xc0\x96\x6b\xc3\x2b\xa5\x5f\xdb\xf2\x12\x53\x0a\xc9"
"\xc5\xec\x59\xf1\xa4\x52\xf5\xcc\x9a\xd9\x40\xfe\xa0\x59\x8e\xd1",
"\x89\xad\xee\x36\x08\xdb\x8b\xc7\x1f\x1b\xfb\xfe\x45\x94\x86\xb0"
"\x56\x18\xb7\x0c\xba\xe2\x20\x92\x53\x4e\x56\xc5\x53\xba\x4b\x34"
},
{
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
"pass phrase exceeds block size", -1,
1200,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\x9c\xca\xd6\xd4\x68\x77\x0c\xd5\x1b\x10\xe6\xa6\x87\x21\xbe\x61",
"\xcb\x80\x05\xdc\x5f\x90\x17\x9a\x7f\x02\x10\x4c\x00\x18\x75\x1d"
},
{
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
"pass phrase exceeds block size", -1,
1200,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\x9c\xca\xd6\xd4\x68\x77\x0c\xd5\x1b\x10\xe6\xa6\x87\x21\xbe\x61"
"\x1a\x8b\x4d\x28\x26\x01\xdb\x3b\x36\xbe\x92\x46\x91\x5e\xc8\x2a",
"\xd7\x8c\x5c\x9c\xb8\x72\xa8\xc9\xda\xd4\x69\x7f\x0b\xb5\xb2\xd2"
"\x14\x96\xc8\x2b\xeb\x2c\xae\xda\x21\x12\xfc\xee\xa0\x57\x40\x1b"
},
{
"\xf0\x9d\x84\x9e" /* g-clef */, "EXAMPLE.COMpianist", -1,
50,
ETYPE_AES128_CTS_HMAC_SHA1_96, 16,
"\x6b\x9c\xf2\x6d\x45\x45\x5a\x43\xa5\xb8\xbb\x27\x6a\x40\x3b\x39",
"\xf1\x49\xc1\xf2\xe1\x54\xa7\x34\x52\xd4\x3e\x7f\xe6\x2a\x56\xe5"
},
{
"\xf0\x9d\x84\x9e" /* g-clef */, "EXAMPLE.COMpianist", -1,
50,
ETYPE_AES256_CTS_HMAC_SHA1_96, 32,
"\x6b\x9c\xf2\x6d\x45\x45\x5a\x43\xa5\xb8\xbb\x27\x6a\x40\x3b\x39"
"\xe7\xfe\x37\xa0\xc4\x1e\x02\xc2\x81\xff\x30\x69\xe1\xe9\x4f\x52",
"\x4b\x6d\x98\x39\xf8\x44\x06\xdf\x1f\x09\xcc\x16\x6d\xb4\xb8\x3c"
"\x57\x18\x48\xb7\x84\xa3\xd6\xbd\xc3\x46\x58\x9a\x3e\x39\x3f\x9e"
},
{
"foo", "", -1,
0,
ETYPE_ARCFOUR_HMAC_MD5, 16,
NULL,
"\xac\x8e\x65\x7f\x83\xdf\x82\xbe\xea\x5d\x43\xbd\xaf\x78\x00\xcc"
},
{
"test", "", -1,
0,
ETYPE_ARCFOUR_HMAC_MD5, 16,
NULL,
"\x0c\xb6\x94\x88\x05\xf7\x97\xbf\x2a\x82\x80\x79\x73\xb8\x95\x37"
}
};
static int
string_to_key_test(krb5_context context)
{
krb5_data password, opaque;
krb5_error_code ret;
krb5_salt salt;
int i, val = 0;
char iter[4];
for (i = 0; i < sizeof(keys)/sizeof(keys[0]); i++) {
password.data = keys[i].password;
password.length = strlen(password.data);
salt.salttype = KRB5_PW_SALT;
salt.saltvalue.data = keys[i].salt;
if (keys[i].saltlen == -1)
salt.saltvalue.length = strlen(salt.saltvalue.data);
else
salt.saltvalue.length = keys[i].saltlen;
opaque.data = iter;
opaque.length = sizeof(iter);
_krb5_put_int(iter, keys[i].iterations, 4);
if (keys[i].pbkdf2) {
unsigned char keyout[32];
if (keys[i].keylen > sizeof(keyout))
abort();
PKCS5_PBKDF2_HMAC(password.data, password.length,
salt.saltvalue.data, salt.saltvalue.length,
keys[i].iterations, EVP_sha1(),
keys[i].keylen, keyout);
if (memcmp(keyout, keys[i].pbkdf2, keys[i].keylen) != 0) {
krb5_warnx(context, "%d: pbkdf2", i);
val = 1;
hex_dump_data(keyout, keys[i].keylen);
continue;
}
if (verbose) {
printf("PBKDF2:\n");
hex_dump_data(keyout, keys[i].keylen);
}
}
{
krb5_keyblock key;
ret = krb5_string_to_key_data_salt_opaque (context,
keys[i].enctype,
password,
salt,
opaque,
&key);
if (ret) {
krb5_warn(context, ret, "%d: string_to_key_data_salt_opaque",
i);
val = 1;
continue;
}
if (key.keyvalue.length != keys[i].keylen) {
krb5_warnx(context, "%d: key wrong length (%lu/%lu)",
i, (unsigned long)key.keyvalue.length,
(unsigned long)keys[i].keylen);
val = 1;
continue;
}
if (memcmp(key.keyvalue.data, keys[i].key, keys[i].keylen) != 0) {
krb5_warnx(context, "%d: key wrong", i);
val = 1;
hex_dump_data(key.keyvalue.data, key.keyvalue.length);
hex_dump_data(keys[i].key, keys[i].keylen);
continue;
}
if (verbose) {
printf("key:\n");
hex_dump_data(key.keyvalue.data, key.keyvalue.length);
}
krb5_free_keyblock_contents(context, &key);
}
}
return val;
}
static int
krb_enc(krb5_context context,
krb5_crypto crypto,
unsigned usage,
krb5_data *cipher,
krb5_data *clear)
{
krb5_data decrypt;
krb5_error_code ret;
krb5_data_zero(&decrypt);
ret = krb5_decrypt(context,
crypto,
usage,
cipher->data,
cipher->length,
&decrypt);
if (ret) {
krb5_warn(context, ret, "krb5_decrypt");
return ret;
}
if (decrypt.length != clear->length ||
(decrypt.length &&
memcmp(decrypt.data, clear->data, decrypt.length) != 0)) {
krb5_warnx(context, "clear text not same");
return EINVAL;
}
krb5_data_free(&decrypt);
return 0;
}
static int
krb_enc_iov2(krb5_context context,
krb5_crypto crypto,
unsigned usage,
size_t cipher_len,
krb5_data *clear)
{
krb5_crypto_iov iov[4];
krb5_data decrypt;
int ret;
char *p, *q;
size_t len, i;
p = clear->data;
len = clear->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);
iov[1].flags = KRB5_CRYPTO_TYPE_DATA;
iov[1].data.length = len;
iov[1].data.data = emalloc(iov[1].data.length);
memcpy(iov[1].data.data, p, iov[1].data.length);
/* padding buffer */
iov[2].flags = KRB5_CRYPTO_TYPE_PADDING;
krb5_crypto_length(context, crypto, KRB5_CRYPTO_TYPE_PADDING, &iov[2].data.length);
iov[2].data.data = emalloc(iov[2].data.length);
iov[3].flags = KRB5_CRYPTO_TYPE_TRAILER;
krb5_crypto_length(context, crypto, iov[3].flags, &iov[3].data.length);
iov[3].data.data = emalloc(iov[3].data.length);
ret = krb5_encrypt_iov_ivec(context, crypto, usage,
iov, sizeof(iov)/sizeof(iov[0]), NULL);
if (ret)
errx(1, "encrypt iov failed: %d", ret);
/* check len */
for (i = 0, len = 0; i < sizeof(iov)/sizeof(iov[0]); i++)
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_data *verify)
{
krb5_crypto_iov iov[3];
int ret;
char *p;
size_t len;
p = plain->data;
len = plain->length;
iov[0].flags = KRB5_CRYPTO_TYPE_CHECKSUM;
if (verify) {
iov[0].data = *verify;
} else {
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);
if (verify == NULL) {
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");
if (verify == NULL)
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 ||
(decrypt.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;
size_t clen; /* checksum length */
void *cdata; /* checksum data */
} 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",
0,
NULL
},
{
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128,
2,
16,
"\x37\x05\xD9\x60\x80\xC1\x77\x28\xA0\xE8\x00\xEA\xB6\xE0\xD2\x3C",
32,
"\xEF\x85\xFB\x89\x0B\xB8\x47\x2F\x4D\xAB\x20\x39\x4D\xCA\x78\x1D"
"\xAD\x87\x7E\xDA\x39\xD5\x0C\x87\x0C\x0D\x5A\x0A\x8E\x48\xC7\x18",
0,
"",
0,
NULL
},
{
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128,
2,
16,
"\x37\x05\xD9\x60\x80\xC1\x77\x28\xA0\xE8\x00\xEA\xB6\xE0\xD2\x3C",
38,
"\x84\xD7\xF3\x07\x54\xED\x98\x7B\xAB\x0B\xF3\x50\x6B\xEB\x09\xCF"
"\xB5\x54\x02\xCE\xF7\xE6\x87\x7C\xE9\x9E\x24\x7E\x52\xD1\x6E\xD4"
"\x42\x1D\xFD\xF8\x97\x6C",
6,
"\x00\x01\x02\x03\x04\x05",
0,
NULL
},
{
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128,
2,
16,
"\x37\x05\xD9\x60\x80\xC1\x77\x28\xA0\xE8\x00\xEA\xB6\xE0\xD2\x3C",
48,
"\x35\x17\xD6\x40\xF5\x0D\xDC\x8A\xD3\x62\x87\x22\xB3\x56\x9D\x2A"
"\xE0\x74\x93\xFA\x82\x63\x25\x40\x80\xEA\x65\xC1\x00\x8E\x8F\xC2"
"\x95\xFB\x48\x52\xE7\xD8\x3E\x1E\x7C\x48\xC3\x7E\xEB\xE6\xB0\xD3",
16,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F",
0,
NULL
},
{
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128,
2,
16,
"\x37\x05\xD9\x60\x80\xC1\x77\x28\xA0\xE8\x00\xEA\xB6\xE0\xD2\x3C",
53,
"\x72\x0F\x73\xB1\x8D\x98\x59\xCD\x6C\xCB\x43\x46\x11\x5C\xD3\x36"
"\xC7\x0F\x58\xED\xC0\xC4\x43\x7C\x55\x73\x54\x4C\x31\xC8\x13\xBC"
"\xE1\xE6\xD0\x72\xC1\x86\xB3\x9A\x41\x3C\x2F\x92\xCA\x9B\x83\x34"
"\xA2\x87\xFF\xCB\xFC",
21,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14",
16,
"\xD7\x83\x67\x18\x66\x43\xD6\x7B\x41\x1C\xBA\x91\x39\xFC\x1D\xEE"
},
{
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192,
2,
32,
"\x6D\x40\x4D\x37\xFA\xF7\x9F\x9D\xF0\xD3\x35\x68\xD3\x20\x66\x98"
"\x00\xEB\x48\x36\x47\x2E\xA8\xA0\x26\xD1\x6B\x71\x82\x46\x0C\x52",
40,
"\x41\xF5\x3F\xA5\xBF\xE7\x02\x6D\x91\xFA\xF9\xBE\x95\x91\x95\xA0"
"\x58\x70\x72\x73\xA9\x6A\x40\xF0\xA0\x19\x60\x62\x1A\xC6\x12\x74"
"\x8B\x9B\xBF\xBE\x7E\xB4\xCE\x3C",
0,
"",
0,
NULL
},
{
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192,
2,
32,
"\x6D\x40\x4D\x37\xFA\xF7\x9F\x9D\xF0\xD3\x35\x68\xD3\x20\x66\x98"
"\x00\xEB\x48\x36\x47\x2E\xA8\xA0\x26\xD1\x6B\x71\x82\x46\x0C\x52",
46,
"\x4E\xD7\xB3\x7C\x2B\xCA\xC8\xF7\x4F\x23\xC1\xCF\x07\xE6\x2B\xC7"
"\xB7\x5F\xB3\xF6\x37\xB9\xF5\x59\xC7\xF6\x64\xF6\x9E\xAB\x7B\x60"
"\x92\x23\x75\x26\xEA\x0D\x1F\x61\xCB\x20\xD6\x9D\x10\xF2",
6,
"\x00\x01\x02\x03\x04\x05",
0,
NULL
},
{
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192,
2,
32,
"\x6D\x40\x4D\x37\xFA\xF7\x9F\x9D\xF0\xD3\x35\x68\xD3\x20\x66\x98"
"\x00\xEB\x48\x36\x47\x2E\xA8\xA0\x26\xD1\x6B\x71\x82\x46\x0C\x52",
56,
"\xBC\x47\xFF\xEC\x79\x98\xEB\x91\xE8\x11\x5C\xF8\xD1\x9D\xAC\x4B"
"\xBB\xE2\xE1\x63\xE8\x7D\xD3\x7F\x49\xBE\xCA\x92\x02\x77\x64\xF6"
"\x8C\xF5\x1F\x14\xD7\x98\xC2\x27\x3F\x35\xDF\x57\x4D\x1F\x93\x2E"
"\x40\xC4\xFF\x25\x5B\x36\xA2\x66",
16,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F",
0,
NULL
},
{
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192,
2,
32,
"\x6D\x40\x4D\x37\xFA\xF7\x9F\x9D\xF0\xD3\x35\x68\xD3\x20\x66\x98"
"\x00\xEB\x48\x36\x47\x2E\xA8\xA0\x26\xD1\x6B\x71\x82\x46\x0C\x52",
61,
"\x40\x01\x3E\x2D\xF5\x8E\x87\x51\x95\x7D\x28\x78\xBC\xD2\xD6\xFE"
"\x10\x1C\xCF\xD5\x56\xCB\x1E\xAE\x79\xDB\x3C\x3E\xE8\x64\x29\xF2"
"\xB2\xA6\x02\xAC\x86\xFE\xF6\xEC\xB6\x47\xD6\x29\x5F\xAE\x07\x7A"
"\x1F\xEB\x51\x75\x08\xD2\xC1\x6B\x41\x92\xE0\x1F\x62",
21,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14",
24,
"\x45\xEE\x79\x15\x67\xEE\xFC\xA3\x7F\x4A\xC1\xE0\x22\x2D\xE8\x0D"
"\x43\xC3\xBF\xA0\x66\x99\x67\x2A"
}
};
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);
if (ret)
krb5_err(context, 1, ret, "krb5_crypto_init failed with %d for test %d",
ret, i);
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)
krb5_err(context, 1, ret, "krb_enc failed with %d for test %d",
ret, i);
ret = krb_enc_iov(context, crypto, krbencs[i].usage, &cipher, &plain);
if (ret)
krb5_err(context, 1, ret, "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)
krb5_err(context, 1, ret, "krb_enc_iov2 failed with %d for test %d",
ret, i);
ret = krb_checksum_iov(context, crypto, krbencs[i].usage, &plain, NULL);
if (ret)
krb5_err(context, 1, ret,
"krb_checksum_iov failed with %d for test %d", ret, i);
if (krbencs[i].cdata) {
krb5_data checksum;
checksum.length = krbencs[i].clen;
checksum.data = krbencs[i].cdata;
ret = krb_checksum_iov(context, crypto, krbencs[i].usage,
&plain, &checksum);
if (ret)
krb5_err(context, 1, ret,
"krb_checksum_iov(2) 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)
krb5_err(context, 1, ret, "krb_enc_mit failed with %d for test %d",
ret, i);
}
return 0;
}
static int
iov_test(krb5_context context, krb5_enctype enctype)
{
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;
if (argc > 1 && strcmp(argv[1], "-v") == 0)
verbose = 1;
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, KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96);
val |= iov_test(context, KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128);
val |= iov_test(context, KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192);
if (verbose && val == 0)
printf("all ok\n");
if (val)
printf("tests failed\n");
krb5_free_context(context);
return val;
}
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