Index of Cryptography Articles - H

H

H.235 • HAIPE • Hans Dobbertin • Hans-Thilo Schmidt • Hard-core predicate • Hardware random number generator • Hardware Security Module • Harold Keen • Harry Hinsley • Harvest (computer) • HAS-160 • Hashcash • Hash chain • Hash function security summary • Hash list • Hash tree • HAVAL • HC-256 • HC-9 • Heath Robinson (codebreaking machine) • Hebern rotor machine • Henri Braquenié • Henryk Zygalski • Herbert Yardley • Hidden Field Equations • Hideki Imai • Hierocrypt • High-Bandwidth Digital Content Protection • Higher order differential cryptanalysis • Hill cipher • History of cryptography • HMAC • Horst Feistel • HOTP • Howard Heys • Https • Hugo Hadwiger • Hugo Koch • Hushmail • Hut 6 • Hut 8 • HX-63 • Hyperelliptic curve cryptography • Hyper-encryption •