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 .
