IDEA

[Alon Bar-Lev]

You can use Gentoo patches...
For libgcrypt:
http://gentoo.osuosl.org/distfiles/libgcrypt-1.4.0-idea.diff.bz2

For gnupg-2:
http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-crypt/gnupg/files/gnupg-2.0.4-idea.patch?rev=1.1&view=markup

Alon.

On 1/23/08, McDougall, Marshall (STEM) <Marshall.McDougall at gov.mb.ca> wrote:
>
>
>
> Hi All.
>
> First post....be gentle :-}
>
> I have a RHEL server and I am having difficulty decrypting a pgp encrypted
> file.  Near as I can tell, I need the IDEA cipher.
>
> [user at myserver]# gpg --decrypt myfile.txt
> gpg: protection algorithm 1 (IDEA) is not supported
> gpg: the IDEA cipher plugin is not present
> gpg: please see
> http://www.gnupg.org/why-not-idea.html
> for more information
> gpg: encrypted with 1024-bit RSA key, ID C0A298D3, created 2004-07-13
>       "one_of_my_keys"
> gpg: public key decryption failed: unknown cipher algorithm
> gpg: decryption failed: secret key not available
>
> I roamed around the GNUPG site and found the "idea.c.gz" downloads, but the
> instructions allude to directories that don't exist on my server.  Has
> anyone added IDEA to an existing canned redhat installation?  I am open to
> any suggestion.  Thanks.
>
> Regards, Marshall
>
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>