From: Eric Biggers <ebiggers3@gmail.com>
To: David Gstir <david@sigma-star.at>
Cc: tytso@mit.edu, jaegeuk@kernel.org, dwalter@sigma-star.at,
richard@sigma-star.at, herbert@gondor.apana.org.au,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fscrypt@vger.kernel.org
Subject: Re: [PATCH] fscrypt: Add support for AES-128-CBC
Date: Thu, 30 Mar 2017 23:36:01 -0700 [thread overview]
Message-ID: <20170331063601.GB32409@zzz> (raw)
In-Reply-To: <20170331062149.GA32409@zzz>
On Thu, Mar 30, 2017 at 11:21:49PM -0700, Eric Biggers wrote:
>
> Something else to consider (probably for the future; this doesn't necessarily
> have to be done yet) is that you really only need one essiv_tfm per *key*, not
> one per inode. To deduplicate them you'd need a hash table or LRU queue or
> something to keep track of the keys in use.
>
Sorry, I screwed this up. This wouldn't work because the ESSIV key is being
derived from the per-file key, not the master key.
- Eric
next prev parent reply other threads:[~2017-03-31 6:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 17:38 [PATCH] fscrypt: Add support for AES-128-CBC David Gstir
2017-03-31 6:21 ` Eric Biggers
2017-03-31 6:36 ` Eric Biggers [this message]
2017-03-31 11:11 ` David Gstir
2017-04-25 14:41 ` [PATCH v2] " David Gstir
2017-04-25 20:10 ` Eric Biggers
2017-04-26 6:18 ` David Gstir
2017-04-26 21:56 ` Eric Biggers
2017-05-17 11:21 ` [PATCH v3] " David Gstir
2017-05-17 18:08 ` Eric Biggers
2017-05-18 13:43 ` David Gstir
2017-05-23 5:11 ` [PATCH v4] " David Gstir
2017-05-23 19:00 ` Eric Biggers
2017-05-31 15:57 ` David Gstir
2017-06-01 14:25 ` Theodore Ts'o
2017-06-15 20:41 ` Michael Halcrow
2017-06-15 20:48 ` Eric Biggers
2017-06-16 7:39 ` David Gstir
2017-06-19 7:27 ` [PATCH v5] " David Gstir
2017-06-24 0:09 ` Theodore Ts'o
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