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Re: [openpgp] AEAD Chunk Size

Peter Gutmann <pgut001@cs.auckland.ac.nz> Fri, 29 March 2019 03:33 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Bill Frantz <frantz@pwpconsult.com>, Bart Butler <bartbutler@protonmail.com>
CC: "openpgp@ietf.org" <openpgp@ietf.org>, Justus Winter <justuswinter@gmail.com>, "Neal H. Walfield" <neal@walfield.org>, Jon Callas <joncallas@icloud.com>, Jon Callas <joncallas=40icloud.com@dmarc.ietf.org>
Thread-Topic: [openpgp] AEAD Chunk Size
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Date: Fri, 29 Mar 2019 03:33:03 +0000
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Subject: Re: [openpgp] AEAD Chunk Size
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Bill Frantz <frantz@pwpconsult.com> writes:

>The Arduino Uno, which the web site says is the most popular Arduino in the
>line
><https://store.arduino.cc/usa/arduino-uno-rev3>, has:
>
>  Flash Memory 32 KB (ATmega328P) of which 0.5 KB used by bootloader
>  SRAM 2 KB (ATmega328P)
>  EEPROM 1 KB (ATmega328P)
>
>So it might be able to use a chunk up to 1KB without having to do the kind of
>pipelining that leads to security bugs and messy code.

And where does the PGP code and data memory itself fit in all this?

Peter.

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