* Hashed Message Authentication Code using MD5 (HMAC-MD5)
*
* hmac_md5 was based on sample code in RFC2104 (thanks guys).
- *
+ *
* Adapted to Bacula by Kern E. Sibbald, February MMI.
*
- * Version $Id$
*/
/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2001-2006 Free Software Foundation Europe e.V.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU Lesser General
+ Public License as published by the Free Software Foundation plus
+ additions in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ You should have received a copy of the GNU Affero General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- */
+ Bacula® is a registered trademark of Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
#include "bacula.h"
-#define PAD_LEN 64 /* PAD length */
-#define SIG_LEN 16 /* MD5 signature length */
+#define PAD_LEN 64 /* PAD length */
+#define SIG_LEN MD5HashSize /* MD5 digest length */
void
hmac_md5(
- uint8_t* text, /* pointer to data stream */
- int text_len, /* length of data stream */
- uint8_t* key, /* pointer to authentication key */
- int key_len, /* length of authentication key */
- uint8_t *hmac) /* returned hmac-md5 */
+ uint8_t* text, /* pointer to data stream */
+ int text_len, /* length of data stream */
+ uint8_t* key, /* pointer to authentication key */
+ int key_len, /* length of authentication key */
+ uint8_t *hmac) /* returned hmac-md5 */
{
MD5Context md5c;
uint8_t k_ipad[PAD_LEN]; /* inner padding - key XORd with ipad */
/* Zero pads and store key */
memset(k_ipad, 0, PAD_LEN);
memcpy(k_ipad, key, key_len);
- memcpy(k_opad, k_ipad, PAD_LEN);
+ memcpy(k_opad, k_ipad, PAD_LEN);
/* XOR key with ipad and opad values */
for (i=0; i<PAD_LEN; i++) {
}
/* perform inner MD5 */
- MD5Init(&md5c); /* start inner hash */
+ MD5Init(&md5c); /* start inner hash */
MD5Update(&md5c, k_ipad, PAD_LEN); /* hash inner pad */
MD5Update(&md5c, text, text_len); /* hash text */
- MD5Final(hmac, &md5c); /* store inner hash */
+ MD5Final(hmac, &md5c); /* store inner hash */
/* perform outer MD5 */
- MD5Init(&md5c); /* start outer hash */
+ MD5Init(&md5c); /* start outer hash */
MD5Update(&md5c, k_opad, PAD_LEN); /* hash outer pad */
MD5Update(&md5c, hmac, SIG_LEN); /* hash inner hash */
- MD5Final(hmac, &md5c); /* store results */
+ MD5Final(hmac, &md5c); /* store results */
}
/*
Test Vectors (Trailing '\0' of a character string not included in test):
- key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
- key_len = 16 bytes
+ key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
+ key_len = 16 bytes
data = "Hi There"
- data_len = 8 bytes
- digest = 0x9294727a3638bb1c13f48ef8158bfc9d
+ data_len = 8 bytes
+ digest = 0x9294727a3638bb1c13f48ef8158bfc9d
key = "Jefe"
data = "what do ya want for nothing?"
- data_len = 28 bytes
- digest = 0x750c783e6ab0b503eaa86e310a5db738
-
- key = 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-
- key_len 16 bytes
- data = 0xDDDDDDDDDDDDDDDDDDDD...
- ..DDDDDDDDDDDDDDDDDDDD...
- ..DDDDDDDDDDDDDDDDDDDD...
- ..DDDDDDDDDDDDDDDDDDDD...
- ..DDDDDDDDDDDDDDDDDDDD
- data_len = 50 bytes
- digest = 0x56be34521d144c88dbb8c733f0e8b3f6
+ data_len = 28 bytes
+ digest = 0x750c783e6ab0b503eaa86e310a5db738
+
+ key = 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+
+ key_len 16 bytes
+ data = 0xDDDDDDDDDDDDDDDDDDDD...
+ ..DDDDDDDDDDDDDDDDDDDD...
+ ..DDDDDDDDDDDDDDDDDDDD...
+ ..DDDDDDDDDDDDDDDDDDDD...
+ ..DDDDDDDDDDDDDDDDDDDD
+ data_len = 50 bytes
+ digest = 0x56be34521d144c88dbb8c733f0e8b3f6
*/