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Date: Thu, 27 Apr 2006 18:31:24 +0400
From: Solar Designer <>
Subject: Re: problems with skr. files

On Thu, Apr 27, 2006 at 03:31:12PM +0200, Philippe Gruhl wrote:
> one question, howe to open skr. files?

I am guessing that by ".skr files" you mean PGP secret keyrings and by
"opening" you mean cracking the passphrase.

John the Ripper currently has no support for this, nor is such support
planned.  Thus, this topic is not to be discussed on this mailing list,
unless someone would be willing to post some valuable technical detail,
contribute a patch for John, etc.

However, since this question already got in here, I'll point out that I
am in fact aware of a product - commercial and fairly expensive - that
would (attempt to) crack PGP secret key passphrases.  It's Elcomsoft
Distributed Password Recovery:

(This web page is very new.  Perhaps I should add the ancient PGPCrack
to it, just for the sake of completeness.)

Alexander Peslyak <solar at>
GPG key ID: B35D3598  fp: 6429 0D7E F130 C13E C929  6447 73C3 A290 B35D 3598 - bringing security into open computing environments

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