Updated to libdes 4.01

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1925 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/des/README

@@ -1,7 +1,7 @@
 
-		libdes, Version 3.21 21/11/95
+		libdes, Version 4.01 13-Jan-97
 
-		Copyright (c) 1995, Eric Young
+		Copyright (c) 1997, Eric Young
 			  All rights reserved.
 
     This program is free software; you can redistribute it and/or modify
@@ -11,13 +11,13 @@
 The primary ftp site for this library is
 ftp://ftp.psy.uq.oz.au/pub/Crypto/DES/libdes-x.xx.tar.gz
 libdes is now also shipped with SSLeay.  Primary ftp site of
-ftp://ftp.psy.uq.oz.au/pub/Crypto/SSL/SSLeay-x.xx.tar.gz
+ftp://ftp.psy.uq.oz.au/pub/Crypto/SSL/SSLeay-x.x.x.tar.gz
 
 The best way to build this library is to build it as part of SSLeay.
 
 This kit builds a DES encryption library and a DES encryption program.
 It supports ecb, cbc, ofb, cfb, triple ecb, triple cbc, triple ofb,
-triple cfb, and MIT's pcbc encryption modes and also has a fast
+triple cfb, desx, and MIT's pcbc encryption modes and also has a fast
 implementation of crypt(3).
 It contains support routines to read keys from a terminal,
 generate a random key, generate a key from an arbitrary length string,
@@ -43,6 +43,12 @@ routines that use small lookup tables (4.5k) that are publicly available.
 The fcrypt routine is faster than ufc's fcrypt (when compiling with
 gcc2 -O2) on the sparc 2 (1410 vs 1270) but is not so good on other machines
 (on a sun3/260 168 vs 336).  It is a function of CPU on chip cache size.
+[ 10-Jan-97 and a function of an incorrect speed testing program in
+  ufc which gave much better test figures that reality ].
 
-Eric Young (eay@mincom.oz.au or eay@psych.psy.uq.oz.au)
+It is worth noting that on sparc and Alpha CPUs, performance of the DES
+library can vary by upto %10 due to the positioning of files after application
+linkage.
+
+Eric Young (eay@mincom.oz.au)