Computer Security

Cybersecurity, Nuclear Security, Alan Turing, and Illogical Logic - ACM Communications, Vol. 60. N° 12, Dec. 2017

Data Encryption Standard (1975), a symmetric-key algorithm, followed in 2001 by the Advanced Encryption Standard

Diffie–Hellman key exchange (DH) is a method of securely exchanging cryptographic keys over a public channel and was one of the first public-key protocols

RSA (Rivest–Shamir–Adleman) is one of the first public-key cryptosystems  © Bernard Smith 2017-18