Block cipher/Catalogs/Cipher table

The metadata subpage is missing. You can start it via filling in this form or by following the instructions that come up after clicking on the [show] link to the right.

Do you see this on PREVIEW? then SAVE! before following a link. To find out more about the use of metadata for the management of Citizendium pages, see CZ:Metadata. You may see this box for one of two reasons. Either: A - New page has been created, or subpages template was added to an existing page B - Cluster move is in progress Click either the A or B link for further instructions. [Feel free to recommend improvements to the text or links in this template] A - For a New Cluster use the following directions Subpages format requires a metadata page. Using the following instructions will complete the process of creating this article's subpages. Click the blue "metadata template" link below to create the page. On the edit page that appears paste in the article's title across from "pagename =". You might also fill out the checklist part of the form. Ignore the rest. For background, see Using the Subpages template Don't worry--you'll get the hang of it right away. Remember to hit Save! the "metadata template". However, you can create articles without subpages. Just delete the {{subpages}} template from the top of this page and this prompt will disappear. :) Don't feel obligated to use subpages, it's more important that you write sentences, which you can always do without writing fancy code. [Feel free to recommend improvements to the text or links in this template] B - For a Cluster Move use the following directions The metadata template should be moved to the new name as the first step. Please revert this move and start by using the Move Cluster link at the top left of the talk page. The name prior to this move can be found at the following link. [Feel free to recommend improvements to the text or links in this template]

---

Block ciphers

Cipher	Type	Block size	Key size	Rounds	S-boxes	Round function has	Standard in	AES competition	Used in hash	Comment
AES	SP network	128	128,192,256	10, 12 or 14	one 8*8		US, 2002 on	winner		extremely widely used
DES	Feistel	64	56	16	8 6*4	bit permutation	US, 1976-2002			obsolete, key too short against brute force
Triple DES	Feistel	64	112 or 168	48 (3*16)	8 6*4	bit permutation				widely used, but being replaced by AES
Blowfish	Feistel	64	up to 556	16	4 8*32, key-dependent					widely used
CAST-128	Feistel	64	40 to 128	16	4 8*32, using bent functions	key-dependent rotation				widely used, including PGP
GOST cipher	Feistel	64	256	32	8 4*4	rotation	Soviet Union
Skipjack	Feistel, unbalanced	64	80	32						designed by NSA for Clipper chip phones
IDEA		64	128	8	none	modular multiplication	Europe
TEA	Feistel	64	128	32	none	only shift, XOR, addition				small, fast & simple
SAFER SK-128	SP network	64	128	8		PHT	Singapore
SAFER+	SP network	128	128,192,256	8,12 or 15		PHT		candidate
LOKI	Feistel	64	64	16
LOKI97	Feistel	128	128,192,256	16		two SP network rounds		candidate
Serpent	SP network	128	128,192,256	32	8 4*4			finalist
MARS	Feistel-like	128	128,192,256	16	one 9*32	data-dependent rotation		finalist		designed at IBM
CAST-256	Feistel-like	128	128,192,256	48	4 8*32, using bent functions	key-dependent rotation		candidate
Twofish	Feistel	128	128,192,256	16	4 8*8, key-dependent	PHT, rotation		finalist
RC2	Feistel	64	variable	18						often used with 40-bit key, for export
RC5	Feistel	64 or 128	up to 2040	variable		data-dependent rotation
RC6		128	128,192,256			data-dependent rotation		finalist
DFC	Feistel	128	128,192,256	6	one 6*32			candidate
FROG		variable	variable	8				candidate		uses key as program, not just as data
E2	Feistel	128	128,192,256	12	one 8*8			candidate		replaced by Camellia
DEAL	Feistel	128	128,192,256	6 or 8		DES as the round function		candidate
Camellia	Feistel	128	128,192,256	18 or 24						Japanese
SEED	Feistel	128	128	16	2 8*8					Korean
CRYPTON	SP network	128	128,192,256	12				candidate
MAGENTA	Feistel	128	128,192,256	6 or 8				candidate		quickly broken
Hasty Pudding		variable	variable					candidate		tweakable
Threefish	SP network	256,512,1024	256,512,1024	72 or 80					Skein	tweakable
Whirlpool cipher	SP network	512	512	10					Whirlpool	AES-like
3-Way	SP network	96	96	11						an ancestor of AES
Square	SP network	128	128	8						an ancestor of AES
ABC	SP network	256	512	17
Akelarre		128	variable	4
Anubis	SP network	128	128-320	12-18