流密碼對照表

最常用的流密碼是RC4,其他的還包括 A5/1, A5/2, Chameleon, FISH, Helix, ISAAC, MUGI, Panama, Phelix, Pike, SEAL, SOBER, SOBER-128 and WAKE.

 

 

 

 

Stream Cipher	Creation Date	Speed (cycles per byte)	(bits)			Attack
			Effective Key-Length	Initialization vector	Internal State	Best Known	Computational Complexity
A5/1	1989	Voice (Wphone)	54	114	64	Active KPA OR KPA Time-Memory Tradeoff	~2 seconds OR 239.91
A5/2	1989	Voice (Wphone)	54	114	64?	Active	4.6 milliseconds
FISH	1993	Quite Fast (Wsoft)	Huge	?	?	Known-plaintext attack	211
Grain	Pre-2004	Fast	80	64	160	Key-Derivation	243
HC-256	Pre-2004	4 (WP4)	256	256	65536	?	?
ISAAC	1996	2.375 (W64-bit) - 4.6875 (W32-bit)	8-8288 usually 40-256	N/A	8288	(2006) First-round Weak-Internal-State-Derivation	4.67×101240 (2001)
MUGI	1998-2002	?	128	128	1216	N/A (2002)	~282
PANAMA	1998	2	256	128?	1216?	Hash Collisions (2001)	282
Phelix	Pre-2004	up to 8 (Wx86)	256 + a 128-bit Nonce	128?	?	Differential (2006)	237
Pike	1994	0.9 x FISH (Wsoft)	Huge	?	?	N/A (2004)	N/A (2004)
Py	Pre-2004	2.6	8-2048? usually 40-256?	64	8320	Cryptanalytic Theory (2006)	275
Rabbit	2003-Feb	3.7(WP3)-9.7(WARM7)	128	64	512	N/A (2006)	N/A (2006)
RC4	1987	Impressive	8-2048 usually 40-256	8	2064	Shamir Initial-Bytes Key-Derivation OR KPA	213 OR 233
Salsa20	Pre-2004	4.24 (WG4) - 11.84 (WP4)	128 + a 64-bit Nonce	512	512 + 384 (key+IV+index)	Differential (2005)	N/A (2005)
Scream	2002	4 - 5 (Wsoft)	128 + a 128-bit Nonce	32?	64-bit round function	?	?
SEAL	1997	Very Fast (W32-bit)	?	32?	?	?	?
SNOW	Pre-2003	Very Good (W32-bit)	128 OR 256	32	?	?	?
SOBER-128	2003	?	up to 128	?	?	Message Forge	2-6
SOSEMANUK	Pre-2004	Very Good (W32-bit)	128	128	?	?	?
Trivium	Pre-2004	4 (Wx86) - 8 (WLG)	80	80	288	Brute force attack (2006)	2135
Turing	2000-2003	5.5 (Wx86)	?	160	?	?	?
VEST	2005	42 (WASIC) - 64 (WFPGA)	Variable usually 80-256	Variable usually 80-256	256 - 800	N/A (2006)	N/A (2006)
WAKE	1993	Fast	?	?	8192	CPA & CCA	Vulnerable
Stream Cipher	Creation Date	Speed (cycles per byte)	(bits)			Attack
			Effective Key-Length	Initialization vector	Internal State	Best Known	Computational Complexity