From: Mimi Zohar <zohar@linux.ibm.com>
To: Eric Biggers <ebiggers@kernel.org>, Chuck Lever <chuck.lever@oracle.com>
Cc: linux-fscrypt@vger.kernel.org, linux-integrity@vger.kernel.org,
Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Subject: Re: IMA metadata format to support fs-verity
Date: Wed, 26 Aug 2020 20:50:59 -0400 [thread overview]
Message-ID: <d565406cd0ae2d1649c0979a5f8445df2ae8ca41.camel@linux.ibm.com> (raw)
In-Reply-To: <20200826192403.GD2239109@gmail.com>
On Wed, 2020-08-26 at 12:24 -0700, Eric Biggers wrote:
> fs-verity is mostly just a way of hashing a file. Can't IMA just continue to do
> its signatures in the same way, and just swap out the traditional full file hash
> with the fs-verity file hash (when it's enabled)?
Yes, as previously discussed with you and Ted.
Mimi
>
> fs-verity does support its own signature mechanism, because people wanted a
> simple knob to set that makes the kernel verify and enforce signatures for all
> fs-verity files. But it's not mandatory to use that.
prev parent reply other threads:[~2020-08-27 0:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 17:13 IMA metadata format to support fs-verity Chuck Lever
2020-08-26 18:31 ` Eric Biggers
2020-08-26 18:56 ` Chuck Lever
2020-08-26 19:24 ` Eric Biggers
2020-08-26 19:51 ` Chuck Lever
2020-08-26 20:51 ` Eric Biggers
2020-08-27 0:53 ` Mimi Zohar
2020-08-27 1:00 ` Eric Biggers
2020-08-27 13:10 ` Mimi Zohar
2020-08-27 0:50 ` Mimi Zohar [this message]
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