re-write the handling of crypto libraries. try to use the one of

openssl's libcrypto or krb4's libdes that has all the required
functionality (md4, md5, sha1, des, rc4).  if there is no such
library, the included lib/des is built.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10519 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/ftp/ftp/ftp_locl.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1995 - 2001 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  * 
@@ -131,7 +131,7 @@ struct hostent  *gethostbyname(const char *);
 #include "security.h"
 
 /* des_read_pw_string */
-#ifdef HAVE_OPENSSL_DES_H
+#ifdef HAVE_OPENSSL
 #include <openssl/des.h>
 #else
 #include <des.h>

appl/kx/common.c

@@ -421,7 +421,7 @@ create_and_write_cookie (char *xauthfile,
      auth.name_length = strlen(auth.name);
      auth.data_length = cookie_sz;
      auth.data = (char*)cookie;
-#ifdef HAVE_OPENSSL_DES_H
+#ifdef HAVE_OPENSSL
      krb5_generate_random_block (cookie, cookie_sz);
 #else
      des_rand_data (cookie, cookie_sz);

appl/otp/otp_locl.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H<>gskolan
+ * Copyright (c) 1995 - 2001 Kungliga Tekniska H<>gskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  * 
@@ -52,7 +52,7 @@
 #endif
 #include <roken.h>
 #include <err.h>
-#ifdef HAVE_OPENSSL_DES_H
+#ifdef HAVE_OPENSSL
 #include <openssl/des.h>
 #else
 #include <des.h>

appl/telnet/libtelnet/enc_des.c

@@ -50,7 +50,7 @@ RCSID("$Id$");
 #include "encrypt.h"
 #include "misc-proto.h"
 
-#ifdef HAVE_OPENSSL_DES_H
+#ifdef HAVE_OPENSSL
 #include <openssl/des.h>
 #else
 #include <des.h>
@@ -408,7 +408,7 @@ static void fb64_session(Session_Key *key, int server, struct fb *fbp)
 	fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_DECRYPT-1]);
 
 	if (fbp->once == 0) {
-#if !defined(OLD_DES_RANDOM_KEY) && !defined(HAVE_OPENSSL_DES_H)
+#if !defined(OLD_DES_RANDOM_KEY) && !defined(HAVE_OPENSSL)
 		des_init_random_number_generator(&fbp->krbdes_key);
 #endif
 		fbp->once = 1;

appl/telnet/libtelnet/encrypt.h

@@ -90,7 +90,7 @@ typedef struct {
 
 #define	SK_DES		1	/* Matched Kerberos v5 KEYTYPE_DES */
 
-#ifdef HAVE_OPENSSL_DES_H
+#ifdef HAVE_OPENSSL
 #include <openssl/des.h>
 #define des_new_random_key des_random_key
 #else

appl/telnet/libtelnet/kerberos.c

@@ -220,7 +220,7 @@ kerberos4_send(char *name, Authenticator *ap)
 
 	des_key_sched(&cred.session, sched);
 	memcpy (&cred_session, &cred.session, sizeof(cred_session));
-#ifndef HAVE_OPENSSL_DES_H
+#ifndef HAVE_OPENSSL
 	des_init_random_number_generator(&cred.session);
 #endif
 	des_new_random_key(&session_key);