Re: [RFC PATCH 01/21] crypto: scomp - Revert "add support for deflate rfc1950 (zlib)"
From: Giovanni Cabiddu
Date: Thu Aug 03 2023 - 06:30:32 EST
On Thu, Aug 03, 2023 at 11:59:00AM +0200, Ard Biesheuvel wrote:
> Any clue why zlib_deflate was chosen in this case?
I believe it was done for integrity.
The output of zlib_deflate is raw deflate with an header and a footer
defined in rfc1950. The footer contains a checksum which gets
calculated over the uncompressed data during compression and checked
after decompression.
--
Giovanni