Encryption by date

See also: History of cryptography

This is a timeline of the public releases or introductions of computer encryption algorithms.

Cipher Year Key size Block size Rounds
Lucifer 1971 48 various
New Data Seal 1975 2048 128 16
DES-X 1976 184
DES 1977 56 64 16
GDES 1981 32
Madryga 1984
NewDES 1985 120 64 17
Multi2 1988 64 64 various
Khufu 1989 512 64 16
LOKI97 1989 64 64 16
FEAL 1990 64 64 "4,8,32"
Redoc 1990 160 160 ?
IDEA 1991 128 64 8.5
BassOmatic 1991 8 to 2048 2048 1 to 8
CMEA 1991 64 16-64 3
Blowfish 1993 1-448 64 16
Crab 1993 80 8192
MMB 1993 128 128 6
SAFER 1993 64 128 ?
SXAL/MBAL 1993 64 64 8
RC5 1994 0-2040 32/64/128 1-255
TEA 1994 128 64 "64,32"
3-Way 1994 96 96 11
BaseKing 1994 192 192 11
GOST 1994 256 64 32
Ladder-DES 1994 224 128 4
MacGuffin 1994 128 64 32
RC4 1994 42-48 2064 256
BATON 1995 320 96128
KN-Cipher 1995 198 64 6
Misty1 1995 128 64 4*n
S-1 1995 hoax hoax hoax
CAST-128 1996 40/128 64 12 or 16
RC2 1996 8-128 64 16
Akelarre 1996 128 128 4
Shark 1996 128 64 6
Red Pike 1996 64 64 ?
XTEA 1997 128 64 "64,32"
ICE 1997 64 64 "16,8"
M6 1997 40-64 64 10
Square 1997 128 128 8
Treyfer 1997 64 64 32
xmx 1997 variable key size variable even
AES 1998 128/192/256 128 10/12/2014
Triple DES 1998 168/112/56 64 48
Serpent 1998 128/192/256 128 32
Twofish 1998 128/192/256 128 16
SEED 1998 128 128 16
Skipjack 1998 80 64 32
CAST-256 1998 "128,160,192,224,256" 128 48
CIPHERUNICORN-E 1998 128 64 16
Coconut98 1998 256 64 8
Crypton 1998 128,192,256 128 12
CS-Cipher 1998 128 64 8
DEAL 1998 128/192/256 128 "6,8"
DFC 1998 128/192/256 128 8
E2 1998 128/192/256 128 12
FROG 1998 128/192/256 128 8
LOKI97 1998 128/192/256 128 16
Magenta 1998 128/192/256 128 "6,8"
MARS 1998 128/192/256 128 32
RC6 1998 128/192/256 128 20
xxtea 1998 128 64 various
M8 1999 64 10
MultiSwap 1999 374 64
UES 1999 128/192/256 128 48
Camellia 2000 128/192/256 128 18 or 24
Anubis 2000 128320 128 12+
CIPHERUNICORN-A 2000 128/192/256 128 16
Hierocrypt 2000 128 64 6.5
Kasumi 2000
Khazad 2000 128 64 8
Mercy 2000 128 4096 6
Nimbus 2000 128 64 5
Noekeon 2000 128 128 128
NUSH 2000 128/192/256 64128256 "9,17,33"
Q 2000 128/192/256 128 8 or 9
SC2000 2000 128/192/256 128 "6.5,7.5"
Zodiac 2000 128/192/256 128 16
FEA-M 2001 4094 4096 1
Shacal 2001 128 to 512 "160, 256" 80
Spectr-H64 2001 256 64 12
ABC 2002 512 256 17
CIKS-1 2002 256 64 8
MESH 2002 128/192/256 "64, 96,128" "8.5,10.5,12.5"
ARIA 2003 128/192/256 128 "12,14,16"
Cryptomeria cipher 2003 56 64 10
Idea NXT 2003 0-256 64128 16
SMS4 2006 128 128 32
CLEFIA (Sony) 2007 128/192/256 128 "18,22,26"
Threefish 2008 "256,512,1024" "256,512,1024" 72
BEAR/LION ? 2^13 to 2^23 3
Libelle ? 64 160 "1,8,16,32,64"
KeeLoq 1990s
Hasty Pudding Cipher 1998–2006 0-513+ varies
Saville 1999? 128 ? ?
Intel Cascade Cipher 2005? 128 128 "10,32"
Cobra 2007? ? ? ?

References

  • Horst Feistel. Block Cipher Cryptographic System, US Patent 3,798,359. Filed June 30, 1971. (IBM)
  • Henry Beker and Fred Piper (1982). Cipher Systems: The Protection of Communications. John Wiley & Sons. pp. 263–267. ISBN 0-471-89192-4.
  • Joe Kilian and Phillip Rogaway, How to protect DES against exhaustive key search (PostScript), Advances in Cryptology – Crypto '96, Springer-Verlag (1996), pp. 252–267.
  • Ingrid Schaumuller-Bichl, Zur Analyse des Data Encryption Standard und Synthese Verwandter Chiffriersysteme, Ph.D. Thesis, Linz university, May 1981. (In German).
  • Bruce Schneier, Matt Blaze (December 1994). The MacGuffin Block Cipher Algorithm (PDF/PostScript). 2nd International Workshop on Fast Software Encryption (FSE '94). Leuven: Springer-Verlag. pp. 97–110. Retrieved 2007-08-24.
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