Am 25.02.16 um 13:16 schrieb Dr. Stephen Henson: >> So yes it's pretty broken. >> > > Just as a quick followup. If you change the two tags I mentioned above the > result does then parse. However I've no idea if it will actually decrypt: the > key derivation might be broken too. Thanks for the follow-up. As this is a problem in Adobe Acrobat, we can't do anything about it. The problem was now reported to Adobe, and hopefully they will fix it. -- Stephan