Stafford Emanuel Tavares is a Canadian cryptographer, professor emeritus at Queen's University.
His notable work includes the design (with Carlisle Adams) of the block ciphers CAST-128 and CAST-256.
[citation needed] He also helped organize the first Selected Areas in Cryptography (SAC) workshop in 1994.
[1][2] Tavares received his Ph.D. in 1968 from McGill University.
[3] In 2018 he was elected as a fellow of the International Association for Cryptologic Research, "for significant contributions to the design and analysis of block ciphers, for founding the SAC conference, and for service to the IACR".