[openssl-dev] Speck Cipher Integration with OpenSSL

Hubert Kario hkario at redhat.com
Tue Jan 9 17:48:35 UTC 2018


On Monday, 8 January 2018 22:10:07 CET William Bathurst wrote:
> Hi Hanno/all,
> 
> I can understand your view that "more is not always good" in crypto. The
> reasoning behind the offering can be found in the following whitepaper:
> 
> https://csrc.nist.gov/csrc/media/events/lightweight-cryptography-workshop-20
> 15/documents/papers/session1-shors-paper.pdf
> 
> I will summarize in a different way though. We wish to offer an
> optimized lightweight TLS for IoT. A majority of devices found in IoT
> are resource constrained, for example a device CPU may only have 32K of
> RAM. Therefore security is an afterthought by developers. For some only
> AES 128 is available and they wish to use 256 bit encryption. Then Speck
> 256 would be an option because it has better performance and provides
> sufficient security.

so security is afterthought, but they got out of their way to use "more 
secure" (debatable) option?

sorry, that does not hold water
-- 
Regards,
Hubert Kario
Senior Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 115, 612 00  Brno, Czech Republic
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