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From: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
To: "dsterba@suse.cz" <dsterba@suse.cz>, Johannes Thumshirn <jth@kernel.org>
Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
	Eric Biggers <ebiggers@google.com>,
	Richard Weinberger <richard@nod.at>,
	Johannes Thumshirn <jthumshirn@suse.de>
Subject: Re: [PATCH v3 2/3] btrfs: add authentication support
Date: Wed, 27 May 2020 18:04:57 +0000	[thread overview]
Message-ID: <SN4PR0401MB3598E973D98DB9A0363BD3C29BB10@SN4PR0401MB3598.namprd04.prod.outlook.com> (raw)
In-Reply-To: <20200527132428.GE18421@twin.jikos.cz>

On 27/05/2020 15:25, David Sterba wrote:
> The key for all userspace commands needs to be specified the same way as
> for kernel, ie. "--auth-key btrfs:foo" and use the appropriate ioctls to
> read the key bytes.

Up to now I haven't been able to add a key to the kernel's keyring which 
can be read back to user-space.

How about passing in a key file, like it is done in UBIFS? Should be doable
both with libsodium and libgcrypt.

  parent reply	other threads:[~2020-05-27 18:05 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-14  9:24 [PATCH v3 0/3] Add file-system authentication to BTRFS Johannes Thumshirn
2020-05-14  9:24 ` [PATCH v3 1/3] btrfs: rename btrfs_parse_device_options back to btrfs_parse_early_options Johannes Thumshirn
2020-05-14  9:24 ` [PATCH v3 2/3] btrfs: add authentication support Johannes Thumshirn
2020-05-27 13:24   ` David Sterba
2020-05-27 13:54     ` Johannes Thumshirn
2020-05-27 14:01       ` Johannes Thumshirn
2020-05-27 18:04     ` Johannes Thumshirn [this message]
2020-06-01 14:30       ` David Sterba
2020-06-01 14:35       ` David Sterba
2020-05-14  9:24 ` [PATCH v3 3/3] btrfs: document btrfs authentication Johannes Thumshirn
2020-05-14 12:26   ` Jonathan Corbet
2020-05-14 14:54     ` Johannes Thumshirn
2020-05-14 15:14       ` Richard Weinberger
2020-05-14 16:00         ` Jonathan Corbet
2020-05-14 16:05           ` Richard Weinberger
2020-05-24 19:55   ` David Sterba
2020-05-25 10:57     ` Johannes Thumshirn
2020-05-25 11:26       ` David Sterba
2020-05-25 11:44         ` Johannes Thumshirn
2020-05-25 13:10 ` [PATCH v3 0/3] Add file-system authentication to BTRFS David Sterba
2020-05-26  7:50   ` Johannes Thumshirn
2020-05-26 11:53     ` David Sterba
2020-05-26 12:44       ` Johannes Thumshirn
2020-06-01 14:59         ` David Sterba
2020-05-27  2:08 ` Qu Wenruo
2020-05-27 11:27   ` David Sterba
2020-05-27 11:58     ` Qu Wenruo
2020-05-27 13:11   ` David Sterba

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