Re: [Samba] Potential contribution: FUSE client w/ SMB3 encryption support
- Date: Thu, 16 Feb 2017 12:02:33 +0100
- From: Aurélien Aptel via samba <samba@xxxxxxxxxxxxxxx>
- Subject: Re: [Samba] Potential contribution: FUSE client w/ SMB3 encryption support
David Ramos via samba <samba@xxxxxxxxxxxxxxx> writes:
> My team is in search of a way to mount SMB3/CIFS shares from a Linux
> client with encryption enabled (and with reasonable
> performance). After some research, it appears that the kernel CIFS
> client (mount.cifs) lacks encryption support, while the Samba client
> library (libsmbclient) doesn't offer mount functionality.
Encryption support in cifs.ko was recently merged in Steve's for-next
branch, which means it will be merged in Linus tree during the v4.11
merge window. So you'll have to wait for the v4.11 release (around May
?) and/or backport it.
The patch itself adds the 'seal' mount option to enforce encryption. If
the share requires it, it's automatically enabled.
In terms of performance you can expect a 1/3 or the xfer speed when you
enable encryption on a SMB3 connexion. This could be improved if
aes-128-gcm is implemented.
Aurélien Aptel / SUSE Labs Samba Team
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SUSE Linux GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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