cryptography, E2 is a symmetric block cipher which was created in 1998 by NTT and submitted to the AES competition. Like other AES candidates, E2 operates...
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Haplogroup E2 (Y-DNA), a human Y-chromosome DNA haplogroup E2 (cipher), a block cipher submitted to the AES competition by NTT Tungsten E2, a business-class...
4 KB (583 words) - 20:19, 8 March 2025
In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or...
52 KB (5,828 words) - 20:04, 23 May 2025
ShāngMì 4 (SM4, 商密4) (formerly SMS4) is a block cipher, standardised for commercial cryptography in China. It is used in the Chinese National Standard...
9 KB (958 words) - 16:44, 2 February 2025
Cryptography (redirect from Codes and ciphers)
plaintext. A cipher (or cypher) is a pair of algorithms that carry out the encryption and the reversing decryption. The detailed operation of a cipher is controlled...
100 KB (11,007 words) - 23:45, 5 June 2025
Symmetric-key algorithm (redirect from Symmetric cipher)
use either stream ciphers or block ciphers. Stream ciphers encrypt the digits (typically bytes), or letters (in substitution ciphers) of a message one...
15 KB (1,540 words) - 19:12, 22 April 2025
cryptography, a Feistel cipher (also known as Luby–Rackoff block cipher) is a symmetric structure used in the construction of block ciphers, named after the...
10 KB (1,316 words) - 19:41, 2 February 2025
Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in many cipher suites and encryption products. Blowfish provides...
18 KB (2,000 words) - 15:11, 16 April 2025
Coppersmith • Dorabella Cipher • Double Ratchet Algorithm • Doug Stinson • Dragon (cipher) • DRYAD • Dual_EC_DRBG • E0 (cipher) • E2 (cipher) • E4M • EAP-AKA...
67 KB (2,932 words) - 23:20, 16 May 2025
Advanced Encryption Standard (redirect from AES (cipher))
Standards and Technology (NIST) in 2001. AES is a variant of the Rijndael block cipher developed by two Belgian cryptographers, Joan Daemen and Vincent Rijmen...
50 KB (5,678 words) - 12:38, 4 June 2025
cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called blocks. Block ciphers are the elementary building...
51 KB (6,569 words) - 08:42, 11 April 2025
block cipher (Magma), defined in the standard GOST 28147-89 (RFC 5830), is a Soviet and Russian government standard symmetric key block cipher with a...
14 KB (1,455 words) - 05:51, 28 February 2025
In cryptography, Camellia is a symmetric key block cipher with a block size of 128 bits and key sizes of 128, 192 and 256 bits. It was jointly developed...
18 KB (1,805 words) - 02:28, 19 April 2025
Initialization vector (category Block cipher modes of operation)
between (potentially similar) segments of the encrypted message. For block ciphers, the use of an IV is described by the modes of operation. Some cryptographic...
14 KB (1,797 words) - 08:53, 7 September 2024
Lucifer was the name given to several of the earliest civilian block ciphers, developed by Horst Feistel and his colleagues at IBM. Lucifer was a direct...
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International Data Encryption Algorithm (redirect from IDEA (cipher))
Improved Proposed Encryption Standard (IPES), is a symmetric-key block cipher designed by James Massey of ETH Zurich and Xuejia Lai and was first described...
12 KB (1,499 words) - 19:07, 14 April 2024
In cryptography, a product cipher combines two or more transformations in a manner intending that the resulting cipher is more secure than the individual...
2 KB (278 words) - 23:01, 22 April 2023
RC6 (redirect from RC6 cipher)
In cryptography, RC6 (Rivest cipher 6) is a symmetric key block cipher derived from RC5. It was designed by Ron Rivest, Matt Robshaw, Ray Sidney, and...
7 KB (732 words) - 12:36, 23 May 2025
Xor–encrypt–xor (redirect from Even-Mansour cipher)
The xor–encrypt–xor (XEX) is a (tweakable) mode of operation of a block cipher. In tweaked-codebook mode with ciphertext stealing (XTS mode), it is one...
4 KB (454 words) - 10:59, 19 June 2024
Adiantum is a cipher composition for disk encryption. It uses a new cipher construction called HBSH (hash, block cipher, stream cipher, hash), specifically...
4 KB (317 words) - 21:37, 11 February 2025
The Advanced Encryption Standard (AES), the symmetric block cipher ratified as a standard by National Institute of Standards and Technology of the United...
10 KB (1,040 words) - 10:14, 4 January 2025
Galois/Counter Mode (category Block cipher modes of operation)
Mode (GCM) is a mode of operation for symmetric-key cryptographic block ciphers which is widely adopted for its performance. GCM throughput rates for state-of-the-art...
23 KB (3,051 words) - 20:21, 24 March 2025
The BEAR and LION block ciphers were invented by Ross Anderson and Eli Biham by combining a stream cipher and a cryptographic hash function. The algorithms...
2 KB (204 words) - 21:33, 11 February 2025
In cryptography, Skipjack is a block cipher—an algorithm for encryption—developed by the U.S. National Security Agency (NSA). Initially classified, it...
12 KB (1,106 words) - 03:22, 29 November 2024
technique has been applied to SAFER, IDEA, Skipjack, E2, Twofish, Camellia, CRYPTON, and even the stream cipher Salsa20. Lars Knudsen (1994). Truncated and Higher...
4 KB (318 words) - 10:15, 4 January 2025
report, Sincerely yours, etc. The primary use of padding with classical ciphers is to prevent the cryptanalyst from using that predictability to find known...
23 KB (3,307 words) - 14:54, 5 February 2025
Twofish (redirect from Twofish (cipher))
In cryptography, Twofish is a symmetric key block cipher with a block size of 128 bits and key sizes up to 256 bits. It was one of the five finalists of...
9 KB (827 words) - 14:21, 3 April 2025
RC5 (redirect from RC5 cipher)
is a symmetric-key block cipher notable for its simplicity. Designed by Ronald Rivest in 1994, RC stands for "Rivest Cipher", or alternatively, "Ron's...
12 KB (1,465 words) - 18:48, 18 February 2025
The Hasty Pudding cipher (HPC) is a variable-block-size block cipher designed by Richard Schroeppel, which was an unsuccessful candidate in the competition...
11 KB (1,315 words) - 04:17, 28 November 2024
In cryptography, Square (sometimes written SQUARE) is a block cipher invented by Joan Daemen and Vincent Rijmen. The design, published in 1997, is a forerunner...
2 KB (125 words) - 03:34, 28 April 2024