Re: ASCII Requires a Temporary Substitution During Encryption.
- From: rossum <rossum48@xxxxxxxxxxxx>
- Date: Thu, 19 Feb 2009 14:57:21 +0000
On Thu, 19 Feb 2009 02:45:51 -0800 (PST), austin.obyrne@xxxxxxxxxxx
wrote:
The creation of ASCII circa 1963 was a profound move by the USHowever, ASCII has now been replaced by Unicode:
government that greatly enhanced normal ‘overt’ communications. In the
notes that follow, the focus is on using the writable subset of ASCII
in ‘covert’ secret communications and more precisely the denary
representation of this set that is comprised of the positive integers
32 to 126 inclusively, as the encryption data for writing ciphers.
http://www.unicode.org/
If you want your crypto system to by forward looking rather than
backward looking then you need to drop ASCII, which is now obsolete,
and move over to Unicode.
A failure to support Unicode is likely to impede use of your system at
the proposal stage. Almost all proposals will be required to support
Unicode; and any that fail to do so will not progress any further.
rossum
.
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