ELG-E key requires IDEA cipher?

David Shaw dshaw@jabberwocky.com
Mon Jul 21 19:03:03 2003


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On Sun, Jul 20, 2003 at 06:13:04AM -1000, Denis McCauley wrote:
> Mark B. Elrod wrote :
> | Hello,
> |
> | I have an ELG-E key which refuses to work completely with gpg. I can
> | encrypt to it but when I try to unencrypt the data I get the following:
> |
> | gpg: Warning: using insecure memory!
> | gpg: please see http://www.gnupg.org/faq.html for more information
> | gpg: protection algorithm 1 (IDEA) is not supported
> 
> I'm not sure on this but it suggests to me that your secret key is
> encrypted with IDEA.

This is correct.  I guess PGP 5 used IDEA for the internal
protection.

> | gpg: please see http://www.gnupg.org/why-not-idea.html for more
> information
> 
> This link includes a download link to an IDEA DLL for Windows. You
> should put this in the "Lib" folder of your Gnupg directory, then
> include in your gpg configuration file the line:
> 
> load-extension Lib\idea
> 
> After that you can change your password on the key (to the same one, if
> you like) and that will change the protect cipher on your secret key.

Exactly, yes.

David
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