Principal Cryptographer, Kudelski Security, SwitzerlandJean-Philippe Aumasson is Principal Cryptographer at Kudelski Security, in Switzerland. Aumasson received a Ph.D. in cryptography from EPFL in 2009, and has authored more than 30 research articles in the ﬁeld of cryptography and cryptanalysis. He is known for designing the cryptographic functions BLAKE (one of 5 SHA-3 ﬁnalists), SipHash (used in Perl, Ruby, etc.) and BLAKE2 (used in WinRAR, etc.). He has spoken at security conferences including Hashdays, Chaos Communications Congress, PasswordsCon and Black Hat. In 2013 he initiated the Cryptography Coding Standard and the Password Hashing Competition. He tweets as @veorq.