On Sat, 24 Jan 2015 23:02:50 -0800 Tao Effect <[email protected]> wrote:
> Does SPHINCS also allow for encryption, or is it for generating > secure signatures only? SPHINCS is signatures only. When you're looking for post quantum encryption you may want to have a look at ring learning with errors. It's one of the more practical pq encryption schemes out there. There was a talk at rwc recently: http://files.douglas.stebila.ca/files/research/presentations/20150108-RWC.pdf And they even have some TLS cipher suites and code: https://github.com/dstebila https://github.com/dstebila/openssl-rlwekex However it should be considered that they choose pre-quantum security levels. That means their 128 bit security can not be compared to the 128 bit security of sphincs. It's only 64 bit post-quantum security taking grovers algorithm into account. Also: Don't trust it too much. This is an area where the only safe advice is: more research is needed to know what's secure. cu, -- Hanno Böck http://hboeck.de/ mail/jabber: [email protected] GPG: BBB51E42
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