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Block cipher
Serpent is a symmetric key block cipher that was a finalist in the Advanced Encryption Standard (AES) contest, in which it ranked second to Rijndael.
Serpent_(cipher)
Topics referred to by the same term
band Grand Serpent Rising, 2026 album by Dimmu Borgir One of the programming languages used in Ethereum Serpent (cipher), in cryptography Serpent (software)
Serpent
namesake of Feistel networks and Lucifer cipher. Lars Knudsen, Denmark, co-inventor of the Serpent cipher. Ralph Merkle, US, inventor of Merkle trees
List_of_cryptographers
Algorithm
Twofish, Serpent, AES (Rijndael), Camellia, Salsa20, ChaCha20, Blowfish, CAST5, Kuznyechik, RC4, DES, 3DES, Skipjack, Safer, and IDEA. Symmetric ciphers are
Symmetric-key_algorithm
Block cipher invented by Joan Daemen and Vincent Rijmen
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
Square_(cipher)
Implementation of a specification which serves as an example
code as public domain software. Examples are the first CERN's httpd, Serpent cipher, base64 variants, and SHA-3. The Openwall Project maintains a list of
Reference_implementation
Block cipher
The cipher is based on Advanced Encryption Standard (AES) operating in counter mode, used for generating keys, and a 3-round version of Serpent for encrypting
Intel_Cascade_Cipher
Cryptography algorithm
In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or
Block cipher mode of operation
Block_cipher_mode_of_operation
Software in the public domain
released into the public domain; examples include CERN httpd in 1993 and Serpent cipher in 1999. The Openwall Project maintains a list of several algorithms
Public-domain_software
Block cipher
MARS is a block cipher that was IBM's submission to the Advanced Encryption Standard process. MARS was selected as an AES finalist in August 1999, after
MARS_(cipher)
Standard for the encryption of electronic data
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
Advanced_Encryption_Standard
British computer scientist (1956–2024)
block cipher Serpent, one of the finalists in the Advanced Encryption Standard (AES) competition. He also discovered weaknesses in the FISH cipher and designed
Ross_J._Anderson
Block cipher
Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in many cipher suites and encryption products. Blowfish provides
Blowfish_(cipher)
Attacks against common ciphers
This article summarizes publicly known attacks against block ciphers and stream ciphers. Note that there are perhaps attacks that are not publicly known
Cipher_security_summary
Practice and study of secure communication techniques
(or "E") for the eavesdropping adversary. Since the development of rotor cipher machines in World War I and the advent of computers in World War II, cryptography
Cryptography
Type of cipher
cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called blocks. Block ciphers are the elementary building
Block_cipher
Chinese block cipher
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
SM4_(cipher)
Cryptography construction
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
Feistel_cipher
Process of converting plaintext to ciphertext
such as AES (256-bit mode), TwoFish, ChaCha20-Poly1305, Serpent (configurable up to 512-bit). Cipher suites that use a 128-bit or higher key, like AES, cannot
Encryption
Block cipher
Threefish is a symmetric-key tweakable block cipher designed as part of the Skein hash function, an entry in the NIST hash function competition. Threefish
Threefish
Soviet/Russian national standard block cipher
GOST block cipher (Magma), defined in the standard GOST 28147-89, is a Soviet and Russian government standard symmetric key block cipher with a block
GOST_(block_cipher)
Block cipher
adapted from Rijndael (also known as AES) and Serpent. It combines the nonlinear operations from these ciphers, but leaves out all the linear transformations
Q_(cipher)
Early unclassified symmetric-key block cipher
included RC6, Serpent, MARS, and Twofish. Brute Force: Cracking the Data Encryption Standard DES supplementary material Skipjack (cipher) Triple DES Diffie
Data_Encryption_Standard
Authenticated encryption mode for block ciphers
Mode (GCM) is a mode of operation for symmetric-key cryptographic block ciphers. The proposal was first published in 2007. The GCM algorithm belongs to
Galois/Counter_Mode
Theoretical attack on block ciphers
Sparse Linearization (XSL) attack is a method of cryptanalysis for block ciphers. The attack was first published in 2002 by researchers Nicolas Courtois
XSL_attack
Input to a cryptographic primitive
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
Initialization_vector
Process of developing the AES standard
The Advanced Encryption Standard (AES), the symmetric block cipher ratified as a standard by National Institute of Standards and Technology of the United
Advanced Encryption Standard process
Advanced_Encryption_Standard_process
Free and open-source disk encryption utility
and ciphers, which boost performance on modern central processing units. VeraCrypt employs AES, Serpent, Twofish, Camellia, and Kuznyechik as ciphers. Version
VeraCrypt
cryptography include: A5/1 • A5/2 • ABA digital signature guidelines • ABC (stream cipher) • Abraham Sinkov • Acoustic cryptanalysis • Adaptive chosen-ciphertext
Index of cryptography articles
Index_of_cryptography_articles
Block cipher
Algorithm (TDEA or Triple DEA), is a symmetric-key block cipher, which applies the DES cipher algorithm three times to each data block. The 56-bit key
Triple_DES
Family of block ciphers
Speck is part of a family of lightweight block ciphers publicly released by the National Security Agency (NSA) in June 2013. Speck has been optimized
Speck_(cipher)
Form of cryptanalysis
block ciphers based on differential cryptanalysis. The attack was published in 1999 by David Wagner, who used it to break the COCONUT98 cipher. The boomerang
Boomerang_attack
Block cipher
(Russian for 'Grasshopper'; Cyrillic script: Кузнечик) is a symmetric block cipher. It has a block size of 128 bits and key length of 256 bits. It is defined
Kuznyechik
Block cipher
SEED is a block cipher developed by the Korea Information Security Agency (KISA). It is used broadly throughout South Korean industry, but seldom found
SEED
Block 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
Twofish
Block cipher
The Hasty Pudding cipher (HPC) is a variable-block-size block cipher designed by Richard Schroeppel, which was an unsuccessful candidate in the competition
Hasty_Pudding_cipher
Block cipher
In cryptography, the Tiny Encryption Algorithm (TEA) is a block cipher notable for its simplicity of description and implementation, typically a few lines
Tiny_Encryption_Algorithm
Wide-block cipher
Adiantum is a cipher composition for disk encryption. It uses a new cipher construction called HBSH (hash, block cipher, stream cipher, hash), specifically
Adiantum_(cipher)
Family of authenticated ciphers
Ascon is a family of lightweight authenticated ciphers and hash functions that have been selected by the U.S. National Institute of Standards and Technology
Ascon_(cipher)
authentication codes RIPEMD160 the Salsa20 stream cipher with assembly for x86_64 and ARM the SERPENT block cipher with assembly for x86_64 SHA-1 with x86, x86_64
Nettle (cryptographic library)
Nettle_(cryptographic_library)
encryption tool that used an algorithm very close to the World War II Enigma cipher. Mcrypt provides the same functionality but uses several modern algorithms
Mcrypt
Form of cryptanalysis
1. Besides DES, it has been applied to FEAL, IDEA, Serpent, Camellia, and even the stream cipher Phelix. Johan Borst (February 1997). "Differential-Linear
Differential-linear_attack
Block cipher
block cipher designed by Ron Rivest in 1987. "RC" stands for "Ron's Code" (see also RC2, RC5 and RC6), but generally called simply RC2. Other ciphers designed
RC2
Adding data to a message prior to encryption to hide its length
report, Sincerely yours, etc. The primary use of padding with classical ciphers is to prevent the cryptanalyst from using that predictability to find known
Padding_(cryptography)
Block cipher
In cryptography, ARIA is a block cipher designed in 2003 by a large group of South Korean researchers. In 2004, the Korean Agency for Technology and Standards
ARIA_(cipher)
Symmetric-key block 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
International Data Encryption Algorithm
International_Data_Encryption_Algorithm
Exploitation of impossible differences in block ciphers
The technique has since been applied to many other ciphers: Khufu and Khafre, E2, variants of Serpent, MARS, Twofish, Rijndael (AES), CRYPTON, Zodiac, Hierocrypt-3
Impossible differential cryptanalysis
Impossible_differential_cryptanalysis
Cryptographic algorithm
PRESENT is a lightweight block cipher, developed by Orange Labs (France), Ruhr University Bochum (Germany) and the Technical University of Denmark in 2007
PRESENT
Block ciphers
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
BEAR_and_LION_ciphers
Block cipher
In cryptography, RC6 is a symmetric key block cipher derived from RC5. It was designed by Ron Rivest, Matt Robshaw, Ray Sidney, and Yiqun Lisa Yin to meet
RC6
Block cipher
In cryptography, Skipjack is a block cipher — an algorithm for encryption — developed by the United States National Security Agency (NSA). Initially a
Skipjack_(cipher)
Block cipher
In cryptography, MacGuffin is a block cipher created in 1994 by Bruce Schneier and Matt Blaze at a Fast Software Encryption workshop. It was intended as
MacGuffin_(cipher)
Block cipher
In cryptography, KN-Cipher is a block cipher created by Kaisa Nyberg and Lars Knudsen in 1995. One of the first ciphers designed to be provably secure
KN-Cipher
Authenticated encryption mode for block ciphers
(counter with cipher block chaining message authentication code; counter with CBC-MAC) is a mode of operation for cryptographic block ciphers. It is an authenticated
CCM_mode
Disk encryption software
options. FreeOTFE implements several ciphers, including: AES Blowfish CAST5 / CAST6 DES / Triple DES MARS RC6 Serpent Twofish It includes all National Institute
FreeOTFE
Block cipher
cryptography, XTEA (eXtended TEA) is a block cipher designed to correct weaknesses in TEA. The cipher's designers were David Wheeler and Roger Needham
XTEA
Stream cipher
block cipher Serpent. The cipher has an improved performance compared with Snow, more specifically by having a faster initialization phase. The cipher key
SOSEMANUK
encryption and decryption. Caesar cipher Substitution cipher Enigma machine Data Encryption Standard Twofish Serpent Camellia Salsa20 ChaCha20 Blowfish
List_of_cryptosystems
Caesar cipher ROT13 Affine cipher Atbash cipher Keyword cipher Polyalphabetic substitution Vigenère cipher Autokey cipher Homophonic substitution cipher Polygraphic
Outline_of_cryptography
Block cypher operating mode
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
Xor–encrypt–xor
Cipher design construction
network (SPN), is a series of linked mathematical operations used in block cipher algorithms such as AES (Rijndael), 3-Way, Kalyna, Kuznyechik, PRESENT, SAFER
Substitution–permutation network
Substitution–permutation_network
Form of cryptanalysis
affine approximations to the action of a cipher. Attacks have been developed for block ciphers and stream ciphers. Linear cryptanalysis is one of the two
Linear_cryptanalysis
Block cipher
Prince is a block cipher targeting low latency, unrolled hardware implementations. It is based on the so-called FX construction. Its most notable feature
Prince_(cipher)
Block cipher
Anubis is a block cipher designed by Vincent Rijmen and Paulo S. L. M. Barreto as an entrant in the NESSIE project, a former research program initiated
Anubis_(cipher)
Block cipher
In cryptography, FEAL (the Fast data Encipherment Algorithm) is a block cipher proposed as an alternative to the Data Encryption Standard (DES), and designed
FEAL
Block cipher
In cryptography, MESH is a block cipher designed in 2002 by Jorge Nakahara, Jr., Vincent Rijmen, Bart Preneel, and Joos Vandewalle. MESH is based directly
MESH_(cipher)
Feistel network based block cipher
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
Camellia_(cipher)
American novelist
The Navigator (2007) Medusa (2009) The Emerald Scepter (2013) The Minoan Cipher (2016) "Wim's Book Collection". wimscollection.com. Archived from the original
Paul_Kemprecos
General form of cryptanalysis applicable primarily to block ciphers
general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions. In the broadest sense,
Differential_cryptanalysis
Block cipher designed in 2000 by Chang-Hyi Lee
In cryptography, Zodiac is a block cipher designed in 2000 by Chang-Hyi Lee for the Korean firm SoftForum. Zodiac uses a 16-round Feistel network structure
Zodiac_(cipher)
Block cipher
In cryptography, DFC (Decorrelated Fast Cipher) is a symmetric block cipher which was created in 1998 by a group of researchers from École Normale Supérieure
DFC_(cipher)
Block cipher
Chiasmus is a secret German government block cipher that was leaked by reverse engineering. It became notorious for its dilettante use in the BSI's software
Chiasmus_(cipher)
Block cipher
In cryptography, SHARK is a block cipher identified as one of the predecessors of Rijndael (the Advanced Encryption Standard). SHARK has a 64-bit block
SHARK
Cryptanalytic method for unauthorized users to access data
technologies have proven their capability in the brute-force attack of certain ciphers. One is modern graphics processing unit (GPU) technology,[page needed]
Brute-force_attack
Earliest civilian block ciphers
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
Lucifer_(cipher)
Cryptographic algorithm
cryptography, ciphertext stealing (CTS) is a general method of using a block cipher mode of operation that allows for processing of messages that are not evenly
Ciphertext_stealing
Block cipher
In cryptography, KHAZAD is a block cipher designed by Paulo S. L. M. Barreto together with Vincent Rijmen, one of the designers of the Advanced Encryption
KHAZAD
Basic component of symmetric key algorithms
component of symmetric key algorithms which performs substitution. In block ciphers, they are typically used to obscure the relationship between the key and
S-box
Cipher
In cryptography, the Iraqi block cipher was a block cipher published in C source code form by anonymous FTP upload around July 1999, and widely distributed
Iraqi_block_cipher
Block cipher
In cryptography, Grand Cru is a block cipher invented in 2000 by Johan Borst. It was submitted to the NESSIE project, but was not selected. Grand Cru is
Grand_Cru_(cipher)
Concept in cryptography
is the desirable property of cryptographic algorithms, typically block ciphers and cryptographic hash functions, wherein if an input is changed slightly
Avalanche_effect
Block cipher
Multiplication-based Block cipher) is a block cipher designed by Joan Daemen as an improved replacement for the IDEA cipher. Modular multiplication is
MMB_(cipher)
Block cipher
In cryptography, RC5 is a symmetric-key block cipher notable for its simplicity. Designed by Ronald Rivest in 1994, According to Ron Rivest, RC stands
RC5
Republic of Korea national standard block cipher
Lightweight Encryption Algorithm (also known as LEA) is a 128-bit block cipher developed by South Korea in 2013 to provide confidentiality in high-speed
LEA_(cipher)
Block cipher used by the 4C Entity
The Cryptomeria cipher, also called C2, is a proprietary block cipher defined and licensed by the 4C Entity. It is the successor to CSS algorithm (used
Cryptomeria_cipher
Block cipher
Kalyna (Ukrainian: Калина, Viburnum opulus) is a symmetric block cipher. It supports block sizes of 128, 256 or 512 bits; the key length is either equal
Kalyna_(cipher)
Block cipher
cryptography, the IDEA NXT algorithm (previously known as FOX) is a block cipher designed by Pascal Junod and Serge Vaudenay of EPFL (Lausanne, Switzerland)
IDEA_NXT
Japanese cryptography research project
CRYPTREC included certain 64-bit block ciphers in its recommended list, while NESSIE did not select any 64-bit block ciphers in its final portfolio. Similarly
CRYPTREC
Block cipher
cryptography, Corrected Block TEA (often referred to as XXTEA) is a block cipher designed to correct weaknesses in the original Block TEA. XXTEA is vulnerable
XXTEA
Swedish metal band
they signed with Lifeforce Records and released a split EP with Cipher System, Cipher System / By Night. Since then they have released two albums, Burn
By_Night
Authenticated encryption mode of operation for block ciphers
an authenticated encryption mode of operation for cryptographic block ciphers. OCB mode was designed by Phillip Rogaway, who credits Mihir Bellare, John
OCB_mode
Block cipher
In cryptography, MAGENTA is a symmetric key block cipher developed by Michael Jacobson Jr. and Klaus Huber for Deutsche Telekom. The name MAGENTA is an
MAGENTA
Cryptographic attack
other one or two. This type of attack is very difficult, so most of the ciphers and encryption schemes in use were not designed to resist it.[citation
Time/memory/data tradeoff attack
Time/memory/data_tradeoff_attack
Block cipher
KeeLoq is a proprietary hardware-dedicated block cipher that uses a non-linear feedback shift register (NLFSR). The uni-directional command transfer protocol
KeeLoq
Block cipher
In cryptography, M8 is a block cipher designed by Hitachi in 1999. It is a modification of Hitachi's earlier M6 algorithm, designed for greater security
M8_(cipher)
Main antagonist organization of One Piece
pirates. The Government also includes other military forces such as the ten Cipher Pol intelligence agencies. Two years after the story begins, the Seven Warlords
World_Government_(One_Piece)
Block cipher
3-Way is a block cipher designed in 1994 by Joan Daemen. It is closely related to BaseKing; the two are variants of the same general cipher technique. 3-Way
3-Way
Pseudorandom number generator
based on any good block cipher. Practical Cryptography suggests AES, Serpent or Twofish. The basic idea is to run the cipher in counter mode, encrypting
Fortuna_(PRNG)
Authenticated encryption mode for block ciphers
(encrypt-then-authenticate-then-translate) is a mode of operation for cryptographic block ciphers. It is an Authenticated Encryption with Associated Data (AEAD) algorithm
EAX_mode
Properties of the operation of a secure cipher
practical ciphers utilize relatively small S-boxes, operating on small groups of bits ("bundles"). For example, the design of AES has 8-bit S-boxes, Serpent −
Confusion_and_diffusion
SERPENT CIPHER
SERPENT CIPHER
Female
English
English variant spelling of Latin Serena, SERRENA means "serene, tranquil."
Surname or Lastname
English and French
English and French : in medieval times this did not denote a rank in the army, but was an occupational name for a servant, Middle English, Old French sergent (Latin serviens, genitive servientis, present participle of servire ‘to serve’). The surname probably originated for the most part in this sense, but the word also developed various more specialized meanings, being used for example as a technical term for a tenant by military service below the rank of a knight, and as the name for any of certain administrative and legal officials in different localities, which may also have contributed to the development of the surname. The sense ‘non-commissioned officer’ did not arise until the 16th century.William Sargent (1624–1717) came to Gloucester, MA, from Devon, England before 1678. Many of his descendants distinguished themselves in the civil and military affairs of the colonies and some in literary or artistic paths, notably the portrait painter John Singer Sargent (1856–1925).
Surname or Lastname
English and Irish
English and Irish : variant spelling of Sargent.
Boy/Male
American, Australian, British, English
Surname Referring to Derwent River in England
Girl/Female
Italian Spanish American Latin
Serene.
Boy/Male
Hindu
Snake, The king of serpents, A serpent chief
Boy/Male
Hindu
Snake, The king of serpents, A serpent chief
Girl/Female
Hindu
Quiet
Girl/Female
Christian & English(British/American/Australian)
Serene
Girl/Female
Latin
Tranquil.
Girl/Female
Australian, Chinese, French, German, Latin
Serene; Tranquil
Surname or Lastname
English
English : variant of Sargent.
Boy/Male
Tamil
Snake, The king of serpents, A serpent chief
Girl/Female
American, Assamese, Christian, Danish, French, German, Hindu, Indian, Italian, Japanese, Kannada, Latin, Malayalam, Marathi, Punjabi, Sikh, Sindhi, Spanish, Telugu
Joy; Quiet; Calm; Peaceful; Sunlight
Boy/Male
Latin
Calm.
Boy/Male
French Latin
A squire.
Boy/Male
Tamil
Snake, The king of serpents, A serpent chief
Female
English
Latin name derived from the word serenus, SERENA means "serene, tranquil."
Surname or Lastname
English and French
English and French : variant of Sargent.Americanized form of the Polish Jewish ornamental name Sieṛzant ‘sergeant’ (senior noncommissioned officer in the Polish infantry).
Female
Welsh
Welsh name SEREN means "star."
SERPENT CIPHER
SERPENT CIPHER
Boy/Male
Indian, Sanskrit, Telugu
Worshipping; Sacrificing
Girl/Female
Indian, Kannada
Ornament
Boy/Male
Biblical
The height of the heavens.
Boy/Male
Muslim
Light, Sunlight
Boy/Male
Celtic
Mythical father of Beli.
Girl/Female
British, English
Lives by the Ash Tree Ford
Boy/Male
Tamil
Akendra | அகேநà¯à®¤à¯à®°
Name of a God
Girl/Female
Indian
Image, Reflection, Also referred to as the disk of brightness surrounding the Sun, Moon
Boy/Male
Indian, Punjabi, Sikh
Lovely and Soft
Boy/Male
Indian
Jasmine
SERPENT CIPHER
SERPENT CIPHER
SERPENT CIPHER
SERPENT CIPHER
SERPENT CIPHER
v. t.
To make serene.
a.
Having a forked tongue, like a serpent.
a.
Bright; clear; unabscured; as, a serene sky.
imp. & p. p.
of Serpent
n.
A title sometimes given to the servants of the sovereign; as, sergeant surgeon, that is, a servant, or attendant, surgeon.
n.
A lawyer of the highest rank, answering to the doctor of the civil law; -- called also serjeant at law.
v. i.
To wind like a serpent; to crook about; to meander.
n.
The constellation Serpens.
v. t. & i.
To ferment, or cause to ferment, again.
n.
A segment gear.
a.
Calm; placid; undisturbed; unruffled; as, a serene aspect; a serene soul.
n.
A serpent.
a.
Hot; glowing; boiling; burning; as, a fervent summer.
n.
To cause ferment of fermentation in; to set in motion; to excite internal emotion in; to heat.
n.
A constellation represented as a serpent held by Serpentarius.
n.
A place inhabited or infested by serpents.
n.
One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of an orange; a segment of a compound or divided leaf.
n.
A winding like a serpent's.
p. pr. & vb. n.
of Serpent