[cryptography] ECDSA - patent free?

Adam Back adam at cypherspace.org
Wed Nov 9 13:22:08 EST 2011

Anyone have informed opinions on whether ECDSA is patent free?  

Any suggestions on EC capable crypto library that implements things without
tripping over any certicom claimed optimizations?

(Someone pointed out to me recently that the redhat shipped openSSL is devoid
of ECC which is kind of a nuisance!)

Suite B pushed use of EC you would think would increase the interest in
having clarity on the EC patent situation..


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