Taher Elgamal

IRL Name: 
Taher Elgamal

Taher Elgamal, widely known as the father of SSL (Secure Sockets Layer), is a world-renowned Egyptian-American cryptographer. In addition to being the driving force behind SSL, the technology used to secure web browsing online, his work is also used as the basis for Digital Signature Algorithm (DSA) adopted by the National Institute of Standards and Technology as the Digital Signature Standard (DSS). He is a recipient of the RSA Conference 2009 Lifetime Achievement Award and received The 2019 Marconi Prize with Paul Kocher.


Elgamal is also known for his 1985 paper entitled "A Public key Cryptosystem and A Signature Scheme based on discrete Logarithms" in which he proposed the design of the ElGamal discrete log cryptosystem and of the ElGamal signature scheme.

He has also participated in the "SET" credit card payment protocol, plus a number of Internet payment schemes.