|Implementing the XTS-AES
Standard for SSDs on Xtensa Processors|
Editor:- February 5, 2016
- "An XTS-AES engine based on the Xtensa processor can provide performance
that rivals most hardware solutions, but retains the ease of design and
flexibility found in software based solutions."
That's the summary
of a paper - Implementing
the XTS-AES Standard on Xtensa Processors (pdf) - which is one of several
resources in a new set of the
today on the home page of StorageSearch.com
new set of bookmarks were suggested by Neil Robinson
who is Product Marketing Director, Tensilica Processor IP, Cadence.
how fast is fast erase?
Editor:- January 26, 2016 - When it comes to
SSD security - how
fast is fast erase?
Over the years I've reported
examples of this (erase) and also other methods of
destruction the rule of thumb has been:- the bigger the capacity of
the drive - the more time in seconds it takes (and more electrical energy
release today from Foremay suggests a
fast and scalable sanitization route may come from what they call "crypto
erase" - which renders all data scrambled, scattered and useless.
fast. Takes only a second to complete the crypto erase of a Foremay SED SSD with
capacity of up to 20TB.
This erase can be triggered by a command or a user presettable
threshold of failed access attempts.
Commenting on the benefits of
intrinsic hardware encryption instead of relying on software and aside from
the obvious performance - Foremay says hardware encryption is far more secure
because software can be corrupted...
"Information security on
SSD drives has become increasingly important to all users, particularly in
government, defense, financial and medical industries," said Jack Winters, Foremay's
CTO and cofounder.
Editor's comments:- The effect - I guess -
is a bit like the accidental predicament of needing
data recovery for
a damaged and unsupported encrypted SSD. But a deliberate erase like this
will be more systematic and probably doesn't have a single mode recovery
Cache latency is key to side-channel attack technique which can
breach cloud server security walls
Editor:- October 29, 2015 -
Cache jitter and latencies are more than simply
quality issues - they can be the root of
The juxtaposition of these concepts in colocated
cloud servers presents
risks which were reported
recently by researchers at Worcester
The research team used a combination of
techniques to first create a virtual machine on the same Amazon cloud server as
a target machine (a technique known as co-location). They then used the
co-located machine to spy on the target. By observing how it accessed
information in memory, they could determine when it was retrieving its RSA key.
Then by charting the timing of the memory access they were able to deduce the
key's actual numeric sequence. ...read the summary
new ORG - Drive Trust Alliance seeks sponsors
August 10, 2015 - if you didn't think there were already enough
ORGs related to the storage
market - then a new one today has been proposed by
Associates and (new to me) Bright
Trust Alliance at http://www.drivetrust.com (which currently redirects
to http://www.brightplaza.com/products/#tdta) is "an alliance of companies,
organizations, and individuals that will benefit from cost efficiencies in
marketing on-going education and the creation and support of open source
software for managing Self-Encrypted Drives".
Microsem licenses DPA countermeasure technologies from Rambus
January 29, 2015 -
will serve as reseller in the government and military sectors for certain
differential power analysis (DPA) technologies developed by Rambus's
cryptography research division.
As the first major FPGA company to
countermeasures, Microsemi has identified DPA as a significant vulnerability
in chip security, specifically for the mission-critical applications found in
government and military settings.
SSD Encryption Everywhere?
Editor:- August 25, 2014
- the future of SSDs is "self-encryption everywhere!"
the conclusion of a paper -
with Self Encryption: Solidly Secure (pdf) - which was presented recently
at the Flash Memory Summit.
author Michael Willett
(who has worked as a storage security strategist for various leading
organizations) reviews the threats and business impacts posed by data security
breaches, and compares the performance of HDDs and SSDs both with and without
Editor's comments:- while I'd agree that security
inside storage devices is nearly always a good thing - I can think of some
examples in which the opposite is true.
For example:- when scientists
are using SSDs as data loggers which collect raw physical data - particularly
in experiments where due to environmental conditions there is a possibility
that the drives may fail during the experiments.
Drives which are
encrypted pose challenges for
disabling encryption - or not having it in the first place - may be a good thing
for this type of application.
The biggest risk posed by losing the
drive in a phsyics experiment - or astronomical observation - is that one of
your colleagues extracts the data before you - but you'd know that by reading
On the other hand if the drive fails - and it's still in
your possession - then you can recover the data for yourself - you may change
your career prospects by having captured the details of a rare event.
Cactus adds write disable switch to industrial CFast
April 10, 2014 - Cactus
that it has introduced a new security option - of having a physical
write protect switch - in its
series of industrial SLC CFast SSDs.
It works like this. When
the write protect switch is in the disabled position, the CFast card reads and
writes as normal. When the switch is enabled, the card will read as normal, but
all write attempts are ignored. Data already stored on the card is safe from
"This write protect feature has already been
successfully implemented in the gaming, military and other markets" said
Ng, President of Cactus Technologies.
Who's got your keys?
Editor:- April 5, 2014 - "Think
about it" says Chandar
Venkataraman, Chief Product Officer, Druva
- "If your service provider has access to your encryption keys, can you
really say that your data is secure?"
That's just one of the
thought provoking ideas in his new blog -
Things You Didn't Know About the Cloud
SSD empowered cloud,
SSD enterprise software
Apacer's new waterproof SSD
Editor:- January 28, 2014
Apacer says it
wil demonstrate a new "seamless waterproof SSD that operates even when
immersed in water" on Booth #700 at the
DistribuTECH 2014 show which
starts today in San Antonio, TX.
Microsemi's new SSD for vetronics can erase 256GB in < 8S
May 23, 2013 -
announced that it has
secured multiple design-wins for its new Series 200 TRRUST-Stor (rugged self
encrypting, 2.5" SATA SSD with 256GB SLC capacity and
company says a full hardware-based erase takes less than 8 seconds. The 200
model has R/W throughput which is twice as fast as the company's earlier
TRRUST-Stor due to a new generation of the company's Armor processor.
Developed to endure harsh environments the new SSD - which has
hardware-implemented AES 256 encryption - can withstand up to 3,000G shock and
30G rms of vibration.
Toshiba samples encrypted SAS SSD
Editor:- January 6,
2013 - Toshiba
it's sampling a new range of 2.5"
SAS MLC SSDs - with
self encrypting security
features and on board
The PX02SMQ/U has upto 1.6TB capacity.
Crocus will sample secure fast MRAM controllers in January 2013
November 5, 2012 - Crocus
that in January 2013 it will sample 1.2MByte high speed SIMs and small secure
fast R/W speeds will enable optimized personalization and over-the-air updates
"The CT32MLU product family breaks the barrier of traditional
non-volatile memory that
will provide smartcard makers with best-in-class secure element microcontrollers
with a 20 to 30% smaller footprint," said Alain Faburel,
VP security business unit at Crocus Technology.
SSDs or hard drives? - the data forensics differences
October 23, 2012 - When you need to retrieve critical unbacked up data from a
damaged notebook (which you left in the car when you clambered out the
window after realizing that the puddle across the road was much deeper than you
first thought) you call the process "data recovery" - but
when a court seizes a suspect's notebook to try and retrieve data which may have
been deliberately "deleted" - they call it "data forensics"
- either way - in the most demanding cases the experts who work on these tasks
are the same.
SSD Data Recovery
(as opposed to dumb flash memory recovery) is a relatively new market which
didn't exist 5 years ago.
A recent article
SSD Drives Destroy Court Evidence - on a site called
ForensicFocus.com - discusses how
techniques which are essential to the operation of flash SSDs (such as
and wear leveling)
mean that from the forensic viewpoint SSDs yield up potentially much less
deliberately deleted recoverable data than hard drives.
RunCore's video - phone to purge USB SSD
May 22, 2012 - sometimes if I'm watching a movie I realize it's going to be
bad - but in a way which is nevertheless all too fascinating to watch. How bad
it will get? Look! - see it's getting worse - but still taking itself
seriously. So - instead of zapping it like I should - I stay transfixed.
Such bad movies are an artform.
What about promotional videos though?
- on the subject of SSDs...
Mostly these are just time wasting. But
today - in the "so dreadful I kept watching it nearly to the end"
category was a
on YouTube from RunCore about its Xapear SSD.
RunCore was the first
company to haul "phone to
over the cost
chasm which divides military
SSDs over to the
consumer SSD market
- which it did 2
years ago - and the new video is simply about their latest model which
combines RFID with the phone zap technology in an external USB connected SSD.
As a security
concept I was convinced the idea had merit - when I first wrote about it 2
years ago. So I wasn't keen to see another new video about the same topic. But
I'm glad I did - because it's an artform. ...click to
Samsung enters fast erase SSD market
January 5, 2012 - Samsung
has entered the fast
purge SSD market - which currently numbers about 25 companies.
company says that models of its PM810 2.5" SATA SSD family with its Crypto
Erase technology deletes targeted data in a couple of seconds regardless of the
overall volume of data or the capacity of the SSD. These models have been
validated for compliance to
a new way to kill flash SSD data
Editor:- March 15,
2011 - Pangaea
Media has recently entered the
SSD backup market with a
removable 2.5" SSD
which integrates backup,
encryption and a
completely new (to me) patented
SSD Bookmarks - from Foremay's CTO and co-founder
March 1, 2011 - StorageSearch.com
- suggested by Jack H
Winters, CTO, Foremay
Jack H Winters' suggestions are focused on the topic of
managing data security in flash SSDs (both in working and not working devices).
These links take you on a tour of the published state of the art in fast /
secure SSD data erase and the related issue of SSD encryption.
RunCore launches world's 1st CF card SSD with fast purge
November 9, 2010 -
RunCore has launched
the world's first CF card compatible SSDs with fast (typically 30 seconds)
The fast erase - which is designed to protect confidential
data leaks and thwart any attempts at
data recovery - is
achieved by pressing a button or activating erase pins while the device is
powered. It can be once again used by formatting after the data destruction
Editor's comments:- due to the popularity of the CF
form factor in consumer products many equipment designers have adopted it as a
convenient way of incorporating solid state storage into products in the
industrial, medical and prosumer markets. Without an on-board fast purge feature
- achieving effective
as a software process in an SSD can take upto 24 hours (depending on disk
capacity). RunCore's industrial CF cards are true SSDs with wear-leveling,
vibration tolerance and low power consumption.
a reader asked me about notebook SSD encryption
June 29, 2010 - a reader asked me some good questions about
notebook SSD encryption.
Did encryption impact performance and endurance? Had I already written about
this in another article he had missed? ...see what I said
Super Talent's Cryptic USB 3 SSD
Editor:- March 2,
2010 - Super
Talent Technology today
imminent availability of a new
flash SSD - with
upto 256GB capacity.
When I asked for more technical details I was
told the datasheet isn't ready yet. The USB 3.0 SuperCrypt is a true SSD (with
Internally the module (95 x 34 x 15.4 mm) is a
SATA SSD with a USB
Fast Purge flash SSDs
Editor:- September 25, 2009 -
published a new directory of Fast Purge flash SSDs.
need for fast and secure data erase - in which vital parts of a flash SSD or
its data are destroyed in seconds - has always been a requirement in military
projects. Although many industrial SSD vendors are offering their products with
extended "rugged" operating environment capabilities - it's the
availability of fast purge which differentiates "true military" SSDs
which can be deployed in
Most Secure USB Flash Memory Stick
Editor:- July 13,
2009 - IronKey
today announced the launch of its S200 USB flash drive for government and
IronKey's CEO David
Jevans said: "The IronKey S200 is the first and only
USB flash drive to achieve
the demanding FIPS 140-2, Level 3 security validation from NIST, giving even
more proof that IronKey is the world's most
secure flash drive. We
are also releasing a suite of new enterprise remote management capabilities,
available over the Internet from the IronKey managed service, or from our
enterprise server software that companies can install and operate themselves."
ZoneLoc Prevents flash SSD Data Walking into the Wrong Hands
Phoenix, Arizona - February
12, 2009 - White Electronic Designs Corp announced a new technology -
ZoneLoc - which automatically desanitizes a flash SSD to military standards
- when the device is moved outside a specified operating zone - to prevent data
falling into enemy hands.
The boundary can be tied to a fixed
location or made to be portable for mobile applications. ZoneLoc has
configurable features and options, including audible warnings, programmable
response times, wireless remote purging and sensitivity modes. Because the
protected device takes its own action, autonomously, security is guaranteed.
Designs profile, Storage
STMicroelectronics Samples Secure e-Passport Microcontroller
Switzerland - November 25, 2008 - STMicroelectronics is sampling a
new microcontroller for secure identity cards.
The ST23YR80, which offers contact and contactless interfaces,
complies with the most advanced security smartcard standards and meets
ICAO requirements for machine readable
travel documents. The EAC (extended access control) e-Passport operation will
be supported in less than 3.5 seconds. The device can also optimize the
operating distance and transaction time by adapting its processor clock speed to
the magnetic field of the application reader It has 80Kbytes of onchip flash
memory to store extra biometric data.
profile, storage chips
search thousands of archived SSD stories on this site
Self-Encrypting SSDs (if you think you might need a future data recovery)..."
|That's the "advice" in a blog
SSDs: Flash Technology with
Risks and Side-Effects (August 2013) - by Kroll Ontrack - which
goes on to say - |
"This type of encryption is very secure, but
ensures total data loss in the event of a failure. With SEDs, the encryption
keys are only known to the hardware manufacturers and will not be released.
What this means is in the event of a failure, the data is no longer accessible
to professional data