Yuliang Zheng is the Chair of the Department of Computer and Information Sciences at the University of Alabama at Birmingham. He is best known for inventing the Signcryption cryptographic primitive that combines the digital signature and encryption operations into one single step. He also invented the HAVAL hash function, SPEED cipher, and STRANDOM pseudo-random number generator. Zheng serves as Chief Technology Officer of Calyptix Security Corporation, a company he co-founded in 2002. External links Homepage of Yuliang Zheng Yokohama National University alumni Monash University alumni University of North Carolina at Charlotte faculty Living people Year of birth missing (living people) Modern cryptographers Chinese cryptographers American chief technology officers