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Re: [openpgp] Deprecating compression support

Werner Koch <wk@gnupg.org> Fri, 22 March 2019 09:20 UTC

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From: Werner Koch <wk@gnupg.org>
To: Bart Butler <bartbutler=40protonmail.com@dmarc.ietf.org>
Cc: Andre Heinecke <aheinecke@gnupg.org>, Bart Butler <bartbutler@protonmail.com>, "openpgp@ietf.org" <openpgp@ietf.org>, Justus Winter <justuswinter@gmail.com>
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Date: Fri, 22 Mar 2019 10:19:07 +0100
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Subject: Re: [openpgp] Deprecating compression support
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On Wed, 20 Mar 2019 18:47, bartbutler=40protonmail.com@dmarc.ietf.org
said:

> One thing we could add to the compression section would be a SHOULD
> for ZLIB as opposed to the legacy ZIP and bzip2, which is slow and
> doesn't have much of a reason to exist in my opinion. There's no real

So what about this minor change:

@@ -3322,8 +3321,9 @@ ## Compression Algorithms
  100--110  Private/Experimental algorithm
 
 Implementations MUST implement uncompressed data.  Implementations
-SHOULD implement ZIP.  Implementations MAY implement any other
-algorithm.
+SHOULD implement ZLIB.  For interoperability reasons implementations
+SHOULD be able to decompress using ZIP.  Implementations MAY implement
+any other algorithm.
 
 ## Hash Algorithms



Salam-Shalom,

   Werner

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