AES-NI, symmetric key generation
wk at gnupg.org
Thu Mar 12 13:36:01 CET 2015
On Thu, 12 Mar 2015 11:08, pete at heypete.com said:
> I (perhaps incorrectly) interpreted the question as "If GnuPG makes
> backwards-incompatible changes in the future, would it be possible for
> one who knows the encryption algorithm used, key, etc. of a message to
> decrypt that message with other, non-GnuPG tools?"
Sure. As long as the tool understand the OpenPGP protocol.
> For example, if one knows that CAST5-CFB, ZIP, and salted-and-iterated
> S2K was used (as well as the value of the salt and number of
> iterations), might one be able to decrypt the message using OpenSSL
> and other common utilities? I suspect yes, as the encryption and
Yes. Many years ago there used to be a toolset with reference
implementation based on OpenSSL. IIRC, it was also available as a
Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
More information about the Gnupg-users