Symmetric Encryption Requirement

Mark Jacobs mark.jacobs at
Fri Dec 19 13:51:05 CET 2003

On Friday 19 December 2003 01:21 pm, Atom 'Smasher' wrote:
> for your application you don't need (or don't want) public-key crypto?
> you can use openssl to convert to/from 3DES, and it's easy to use
> passwords on the command line.
> 	...atom

The mainframe has cryptographic hardware that has to accessed via sofware
API's. PGP/GNUPG doesn't use these API's of course so they do their work
in software.

I want to be able to strip the extra stuff from a PGP/GNUPG encrypted file and
use the mainframe facilities to do the actual encryption.

For files in the millions or tens of millons of records the crypto hardware makes
a big difference. 

There is no native way to do what PGP/GNUPG does on a mainframe using public
key crypto.
Mark Jacobs
Time Customer Service, Tampa FL
Time Warner


What are the facts? Again and again and again --- 
what are the facts? Shun wishful thinking, ignore 
divine revelation, forget what "the stars foretell", 
avoid opinion, Care not what the neighbors think, 
never mind the unguessable "verdict of history" --- 
what are the facts, and to how many decimal places? 
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your only chance. Get the facts!
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