Re: [patch] UBIFS: Add cryptographic functionality when a key is passed to the compress / decompress functions

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To: Artem Bityutskiy <dedekind1@xxxxxxxxx>
Subject: Re: [patch] UBIFS: Add cryptographic functionality when a key is passed to the compress / decompress functions
From: Joel Reardon <joel@xxxxxxxxxxxxxxxx>
Date: Mon, 2 Apr 2012 16:58:12 +0200 (CEST)
Cc: linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
In-reply-to: <1333378674.22146.18.camel@sauron.fi.intel.com>
User-agent: Alpine 2.00 (DEB 1167 2008-08-23)

>
> I guess I was a little confused WRT iv vs cryptokey. Anyway, I thought
> you just use UBIFS_CRYPTO_KEYSIZE for all of this, why not to just use
> the constant in this function? Why passing the length as an argument?
>

There's no actually reason... in my head, if I have a char buffer then the
next parameter is its length. I'll change it so the comments discuss the
length of the buffer.
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References:
- [patch] Adding Secure Deletion to UBIFS
  - From: Joel Reardon
- [patch] Move CRC computation to separate function
  - From: Joel Reardon
- Re: [patch] Move CRC computation to separate function
  - From: Artem Bityutskiy
- Re: [patch] Move CRC computation to separate function
  - From: Joel Reardon
- Re: [patch] Move CRC computation to separate function
  - From: Artem Bityutskiy
- Re: [patch] Move CRC computation to separate function
  - From: Joel Reardon
- Re: [patch] Move CRC computation to separate function
  - From: Artem Bityutskiy
- [patch] Add a encryption key parameter to the compress / decompress function.
  - From: Joel Reardon
- [patch] Add cryptographic functionality when a key is passed to the compress / decompress functions
  - From: Joel Reardon
- Re: [patch] Add cryptographic functionality when a key is passed to the compress / decompress functions
  - From: Artem Bityutskiy
- [patch] UBIFS: Add cryptographic functionality when a key is passed to the compress / decompress functions
  - From: Joel Reardon
- Re: [patch] UBIFS: Add cryptographic functionality when a key is passed to the compress / decompress functions
  - From: Artem Bityutskiy
- Re: [patch] UBIFS: Add cryptographic functionality when a key is passed to the compress / decompress functions
  - From: Joel Reardon
- Re: [patch] UBIFS: Add cryptographic functionality when a key is passed to the compress / decompress functions
  - From: Artem Bityutskiy

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