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From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Stephen Frost <sfrost@snowman.net>
To: Bruce Momjian <bruce@momjian.us>
Cc: Ants Aasma <ants.aasma@eesti.ee>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: WIP: Data at rest encryption
Date: Tue, 13 Jun 2017 15:45:05 -0400
Message-ID: <3550f152-9349-ee2b-edae-a8ec09d8d9fc@2ndquadrant.com> (raw)
In-Reply-To: <20170613192011.GS3151@tamriel.snowman.net>
References: <20170613162301.GF3151@tamriel.snowman.net>
	<20170613164442.GD13873@momjian.us>
	<20170613170132.GH3151@tamriel.snowman.net>
	<20170613171356.GG13873@momjian.us>
	<20170613172459.GL3151@tamriel.snowman.net>
	<20170613174329.GK13873@momjian.us>
	<20170613182339.GP3151@tamriel.snowman.net>
	<20170613182910.GN13873@momjian.us>
	<20170613183858.GR3151@tamriel.snowman.net>
	<20170613185622.GO13873@momjian.us>
	<20170613192011.GS3151@tamriel.snowman.net>
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On 6/13/17 15:20, Stephen Frost wrote:
> For example, you could simply do: 
> 
> cp -a /path/to/PG /mnt/usb
> 
> and you're done.  If you're using filesystem level encryption then you'd
> have to re-encrypt the data, using something like:
> 
> tar -cf - /path/to/PG | openssl -key private.key > /mnt/usb/encrypted_cluster.tar
> 
> And then you would need openssl on the other system to decrypt it.

Or make the USB file system encrypted as well?  If you're in that kind
of environment, that would surely be feasible, if not required.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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