[Pasig-discuss] Risks of encryption & compression built into storage options?

[Robert Spindler]

At risk of starting a conversation, here are a couple basic issues from an archival standpoint:

Encryption: Who has the keys and what happens should a provider go out of business?

Compression: Lossy or Lossless and how does that compression act on different file formats (video/audio). If this is frequently accessed material it becomes more of an issue.

Short story: At a CNI meeting perhaps 15 years ago in a session about ebooks I asked a panel of vendors if they would give up the keys to encrypted e-books when they reached public domain. Crickets.

Physical discs are not secure given the forensics software widely available today, but if someone can grab a physical disc the provider has more problems than forensics.

Rob Spindler
University Archivist and Head
Archives and Special Collections
Arizona State University Libraries
Tempe AZ 85287-1006
480.965.9277
http://www.asu.edu/lib/archives

From: Pasig-discuss [mailto:pasig-discuss-bounces at asis.org] On Behalf Of Jeanne Kramer-Smyth
Sent: Thursday, March 16, 2017 8:54 AM
To: pasig-discuss at mail.asis.org
Subject: [Pasig-discuss] Risks of encryption & compression built into storage options?

Is anyone aware of active research into the risks to digital preservation that are posed by built in encryption and compression in both cloud and on-prem storage options? Any and all go-to sources for research and reading on these topics would be very welcome.

I am being told by the staff who source storage solutions for my organization that encryption and compression are generally included at the hardware level. That content is automatically encrypted and compressed as it is written to disc - and then un-encrypted and un-compressed as it is pulled off disc in response to a request. It is advertised as both more secure (someone stealing a physical disc could not, in theory, extract its contents) and more cost efficient (taking up less space).

I want to be sure that as we make our choices for long-term storage of permanent digital records that we take these risks into accounts.

Thank you!
Jeanne

Jeanne Kramer-Smyth

IT Officer, Information Management Services II

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