08-20-2011
Thanks for the reply Corona688, I'll give it a try.
I actually have to store that encrypted data in shell vars which looks like ok the way I did. As you stated above the problem is then to pass that data to other scripts as the non representable characters make sed go nuts :S
I just hope openssl is available on the system I'm working on.
Once again thank you for the hint
##########################
EDIT:
I've tried to encode / decode with base64 and it seems to work fine (100.000 auto generated values of 20 characters used in my tests). I can provide java code template for those who might be interested.
Thanks Apache for commons-codec-1.5.jar
Last edited by Jormun; 08-20-2011 at 08:46 AM..
Reason: Solution tested
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base64(n) Text encoding & decoding binary data base64(n)
__________________________________________________________________________________________________________________________________________________
NAME
base64 - base64-encode/decode binary data
SYNOPSIS
package require Tcl 8
package require base64 ?2.4?
::base64::encode ?-maxlen maxlen? ?-wrapchar wrapchar? string
::base64::decode string
_________________________________________________________________
DESCRIPTION
This package provides procedures to encode binary data into base64 and back.
::base64::encode ?-maxlen maxlen? ?-wrapchar wrapchar? string
Base64 encodes the given binary string and returns the encoded result. Inserts the character wrapchar every maxlen characters of
output. wrapchar defaults to newline. maxlen defaults to 60.
Note well: If your string is not simple ascii you should fix the string encoding before doing base64 encoding. See the examples.
The command will throw an error for negative values of maxlen, or if maxlen is not an integer number.
::base64::decode string
Base64 decodes the given string and returns the binary data. The decoder ignores whitespace in the string.
EXAMPLES
% base64::encode "Hello, world"
SGVsbG8sIHdvcmxk
% base64::encode [string repeat xyz 20]
eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6
eHl6eHl6eHl6
% base64::encode -wrapchar "" [string repeat xyz 20]
eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6eHl6
# NOTE: base64 encodes BINARY strings.
% set chemical [encoding convertto utf-8 "Cu2088Hu2081u2080Nu2084Ou2082"]
% set encoded [base64::encode $chemical]
Q+KCiEjigoHigoBO4oKET+KCgg==
% set caffeine [encoding convertfrom utf-8 [base64::decode $encoded]]
BUGS, IDEAS, FEEDBACK
This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category base64
of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for
either package and/or documentation.
KEYWORDS
base64, encoding
COPYRIGHT
Copyright (c) 2000, Eric Melski
Copyright (c) 2001, Miguel Sofer
base64 2.4 base64(n)