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Re: [openpgp] AEAD Chunk Size

Vincent Breitmoser <look@my.amazin.horse> Mon, 18 March 2019 14:27 UTC

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Date: Mon, 18 Mar 2019 15:27:43 +0100
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From: Vincent Breitmoser <look@my.amazin.horse>
To: Vincent Breitmoser <look@my.amazin.horse>
Cc: "Neal H. Walfield" <neal@walfield.org>, Tobias Mueller <muelli@cryptobitch.de>, openpgp@ietf.org, Sebastian Schinzel <schinzel@fh-muenster.de>
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Subject: Re: [openpgp] AEAD Chunk Size
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> Good point. I guess we could simply stick with the "empty chunk at the end"
> mechanism, which implementations have to have anyways for chunked AE?

Actually, using any fixed value as chunk index as additional data would work
fine, perhaps reserving all 0xFF for that (and boldly assuming that we'll never
have 2^65-1 chunks in an actual message).

 - V

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