learning which symmetric cipher via --status-fd when --decrypting

Werner Koch wk at gnupg.org
Thu Feb 3 21:01:59 CET 2011


On Thu,  3 Feb 2011 08:28, dkg at fifthhorseman.net said:

> is there a way for a program that parses --status-fd to get this

Not yet.

> information, or does the program need to parse --logger-fd as well to

better don't do that; the messages may change.  What about this new
feature:

    DECRYPTION_INFO <mdc_method> <sym_algo>
        Print information about the symmetric encryption algorithm and
        the MDC method.  This will be emitted even if the decryption
        fails.


  $ ~/b/gnupg/g10/gpg2 --status-fd 2 <enc+sig.asc
  [GNUPG:] ENC_TO 4F9915352D91F921 18 0
  gpg: encrypted with 256-bit ECDH key, ID 2D91F921, created 2011-02-03
        "Joe Random Hacker (test key with passphrase "x") <joe at setq.org>"
  [GNUPG:] BEGIN_DECRYPTION
  [GNUPG:] DECRYPTION_INFO 2 7
  [GNUPG:] PLAINTEXT 62 1296751201 
  [GNUPG:] PLAINTEXT_LENGTH 139
  The difference between the right word and the almost right word is the
  difference between lightning and the lightning bug.
                  -- Mark Twain
  gpg: Signature made Thu Feb  3 17:40:01 2011 CET using ECDSA key ID 6AE8EAC3
  [GNUPG:] SIG_ID Fh+ZrREGtHN97DZR1dRxaRCohdo 2011-02-03 1296751201
  [GNUPG:] GOODSIG 9A7AE1B86AE8EAC3 Joe Random Hacker (test key with...
  gpg: Good signature from "Joe Random Hacker (test key with passphrase...
  [GNUPG:] VALIDSIG 1C5AD3334C35780012F7D6979A7AE1B86AE8EAC3 2011-02-03 ...
  [GNUPG:] TRUST_FULLY
  [GNUPG:] DECRYPTION_OKAY
  [GNUPG:] GOODMDC
  [GNUPG:] END_DECRYPTION

Commit 5667e33.  There is no support in GPGME yet, but I added some
framework to support it.


Shalom-Salam,

   Werner


-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.




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