Bhavana Kanukurthi Leonid Reyzin Key Agreement from Close Secrets over Unsecured Channels. 206-223 2009 EUROCRYPT http://dx.doi.org/10.1007/978-3-642-01001-9_12 conf/eurocrypt/2009 db/conf/eurocrypt/eurocrypt2009.html#KanukurthiR09