[tahoe-dev] ecdsa_25519.py

Zooko Wilcox-O'Hearn zookog at gmail.com
Sun Apr 18 14:40:08 PDT 2010


Dear Brian, Sébastien Martini, and tahoe-dev:

I noticed Sébastien Martini has posted this:

http://git.dbzteam.org/sandbox/tree/ecdsa_25519.py

I guess it won't suit for your (Brian's) Jetpack work because it is  
not a standard that will be interoperable with NSS and OpenSSL and  
whatnot. However, it might be an interesting possibility for Tahoe-LAFS.

This is the first time that I've seen code that requires Python >= 3  
that I might want to actually use. Fortunately, Ned Batchelder has  
shown us how to write code which is both Python 2 and Python 3:

http://nedbatchelder.com/blog/200910/ 
running_the_same_code_on_python_2x_and_3x.html

Other things that I would be interested in exploring is implementing  
Scheme 1 from http://www.cs.umd.edu/~jkatz/papers/dh-sigs-full.pdf  
instead of ECDSA.

Regards,

Zooko


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