Adding & checking MDC using high-level org.bouncycastle.openpgp

Mike Burke <[email protected]>
Newsgroups gmane.comp.encryption.bouncy-castle.devel
Message-ID <[email protected]> 
I'm doing symmetric AES256 PGP encryption using org.bouncycastle.openpgp.PGPEncryptedDataGenerator and friends.  I am using Bouncy Castle 1.60 for JDK 1.5-1.8.

I want to include the modification detection code so that GPG accepts the encrypted file without warning, and so that I can also detect modifications when I later handle decryption via BouncyCastle.

It looks like org.bouncycastle.bcpg.ModDetectionCodePacket will let me handle the packet, but my understanding is that I could only use it with the lower-level bcpg interface.  org.bouncycastle.openpgp classes don't expose the BCPGOutputStream, and anyway, they manage it directly for me so I probably shouldn't stick my hands in there.

Searching for ModDetectionCodePacket didn't produce any obviously useful results or usage examples.

Is it currently possible to use a MDC with the high-level org.bouncycastle.openpgp package?

Thanks!
Mike
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