AES (Advanced Encryption Standard, 1997 to 2000): co-author of the block cipher DFC
eSTREAM (ECRYPT Stream Cipher Project, 2004 to 2008): co-author of the stream cipher SOSEMANUK (admitted in the final portfolio)
SHA-3 (2007 to 2012): co-author of the cryptographic hash function Shabal (selected for second round)
PHC (Password Hashing Competition, 2013 to 2015): author of the password hashing function Makwa (finalist, was awarded a "special recognition")
Author of the sphlib library: optimized implementations of many cryptographic hash functions, both in C and Java.
Author of RFC 6979: Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA).
