add aes support

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12508 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/des/Makefile.am

@@ -5,7 +5,7 @@ include $(top_srcdir)/Makefile.am.common
 lib_LTLIBRARIES = libdes.la
 libdes_la_LDFLAGS = -version-info 3:1:0
 
-include_HEADERS = des.h md4.h md5.h sha.h rc4.h
+include_HEADERS = des.h md4.h md5.h sha.h rc4.h aes.h
 
 build_HEADERZ = $(include_HEADERS)
 
@@ -20,6 +20,7 @@ des_SOURCES = des.c des_ver.h
 LDADD = $(lib_LTLIBRARIES)
 
 libdes_la_SOURCES =	\
+	aes.c		\
 	cbc3_enc.c	\
 	cbc_cksm.c	\
 	cbc_enc.c	\
@@ -48,6 +49,7 @@ libdes_la_SOURCES =	\
 	rc4_skey.c	\
 	rc4_enc.c	\
 	read_pwd.c	\
+	rijndael-alg-fst.c \
 	rnd_keys.c	\
 	set_key.c	\
 	sha.c		\

lib/des/aes.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2003 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 the Institute 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 THE INSTITUTE AND 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 THE INSTITUTE OR 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+
+RCSID("$Id$");
+#endif
+
+#ifdef KRB5
+#include <krb5-types.h>
+#elif defined(KRB4)
+#include <ktypes.h>
+#endif
+
+#include "rijndael-alg-fst.h"
+#include "aes.h"
+
+int
+AES_set_encrypt_key(const unsigned char *userkey, const int bits, AES_KEY *key)
+{
+    key->rounds = rijndaelKeySetupEnc(key->key, userkey, bits);
+    if (key->rounds == 0)
+	return -1;
+    return 0;
+}
+
+int
+AES_set_decrypt_key(const unsigned char *userkey, const int bits, AES_KEY *key)
+{
+    key->rounds = rijndaelKeySetupDec(key->key, userkey, bits);
+    if (key->rounds == 0)
+	return -1;
+    return 0;
+}
+
+void
+AES_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key)
+{
+    rijndaelEncrypt(key->key, key->rounds, in, out);
+}
+
+void
+AES_decrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key)
+{
+    rijndaelDecrypt(key->key, key->rounds, in, out);
+}

lib/des/aes.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2003 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 the Institute 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 THE INSTITUTE AND 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 THE INSTITUTE OR 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.
+ */
+
+/* $Id$ */
+
+#ifdef KRB5
+#include <krb5-types.h>
+#elif defined(KRB4)
+#include <ktypes.h>
+#endif
+
+#define AES_BLOCK_SIZE 16
+#define AES_MAXNR 14
+
+typedef struct aes_key {
+    u_int32_t key[(AES_MAXNR+1)*4];
+    int rounds;
+} AES_KEY;
+
+int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *);
+int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *);
+
+void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *);
+void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *);

lib/des/rijndael-alg-fst.h

@@ -0,0 +1,40 @@
+/*	$NetBSD: rijndael-alg-fst.h,v 1.2 2000/10/02 17:19:15 itojun Exp $	*/
+/*	$KAME: rijndael-alg-fst.h,v 1.5 2003/07/15 10:47:16 itojun Exp $	*/
+/**
+ * rijndael-alg-fst.h
+ *
+ * @version 3.0 (December 2000)
+ *
+ * Optimised ANSI C code for the Rijndael cipher (now AES)
+ *
+ * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
+ * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
+ * @author Paulo Barreto <paulo.barreto@terra.com.br>
+ *
+ * This code is hereby placed in the public domain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''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 THE AUTHORS OR 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.
+ */
+#ifndef __RIJNDAEL_ALG_FST_H
+#define __RIJNDAEL_ALG_FST_H
+
+#define RIJNDAEL_MAXKC	(256/32)
+#define RIJNDAEL_MAXKB	(256/8)
+#define RIJNDAEL_MAXNR	14
+
+int rijndaelKeySetupEnc(u_int32_t rk[/*4*(Nr + 1)*/], const u_int8_t cipherKey[], int keyBits);
+int rijndaelKeySetupDec(u_int32_t rk[/*4*(Nr + 1)*/], const u_int8_t cipherKey[], int keyBits);
+void rijndaelEncrypt(const u_int32_t rk[/*4*(Nr + 1)*/], int Nr, const u_int8_t pt[16], u_int8_t ct[16]);
+void rijndaelDecrypt(const u_int32_t rk[/*4*(Nr + 1)*/], int Nr, const u_int8_t ct[16], u_int8_t pt[16]);
+
+#endif /* __RIJNDAEL_ALG_FST_H */