February 19, 2012, 7:19 AM —
What a week for the RSA cryptosystem! A group of prominent researchers published a paper blasting it as woefully insecure, RSA said there's nothing wrong with the RSA algorithm, it's an implementation issue mainly with random-number key generation, and now the cryptography researcher behind the paper, Arjen Lenstra, signs off the week with a few thoughts about it all.
"If properly implemented, RSA is fine," said Lenstra, the well-known crypto researcher who worked with James Hughes, Maxime Augier, Joppe Bos, Thorsten Kleinjung and Christophe Wachter on the remarkable project that included examining millions of X.509 public-key certificates that are publicly available over the Web.
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