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Early unclassified symmetric-key block cipher
The Data Encryption Standard (DES /ˌdiːˌiːˈɛs, dɛz/) is a symmetric-key algorithm for the encryption of digital data. Although its short key length of
Data_Encryption_Standard
Standard for the encryption of electronic data
RAIN-dahl), is a specification for the encryption of electronic data established by the US National Institute of Standards and Technology (NIST) in 2001. AES
Advanced_Encryption_Standard
Block cipher
algorithm three times to each data block. The 56-bit key of the Data Encryption Standard (DES) is no longer considered adequate in the face of modern cryptanalytic
Triple_DES
Process of developing the AES standard
was markedly more open and transparent than its predecessor, the Data Encryption Standard (DES). This process won praise from the open cryptographic community
Advanced Encryption Standard process
Advanced_Encryption_Standard_process
Symmetric-key block cipher
cryptography, the International Data Encryption Algorithm (IDEA), originally called Improved Proposed Encryption Standard (IPES), is a symmetric-key block
International Data Encryption Algorithm
International_Data_Encryption_Algorithm
Process of converting plaintext to ciphertext
method.[citation needed] For example, the original encryption key, DES (Data Encryption Standard), was 56 bits, meaning it had 2^56 combination possibilities
Encryption
Database content encryption technology
Transparent data encryption (often abbreviated to TDE) is a technology employed by Microsoft, IBM and Oracle to encrypt database files. TDE offers encryption at
Transparent_data_encryption
IETF standard for encrypted data
JSON Web Encryption (JWE) is an IETF standard providing a standardized syntax for the exchange of encrypted data, based on JSON and Base64. It is defined
JSON_Web_Encryption
Number of standards related to cryptography
attract a large amount of cryptanalysis. Data Encryption Standard (DES, now obsolete) Advanced Encryption Standard (AES) RSA the original public key algorithm
Cryptography_standards
U.S. signals intelligence organization
transparent process for replacing the outdated Data Encryption Standard (DES) by an Advanced Encryption Standard (AES). Cybersecurity policy expert Susan Landau
National_Security_Agency
Encryption method
Authenticated encryption (AE) is any encryption scheme which simultaneously assures the data confidentiality (also known as privacy: the encrypted message
Authenticated_encryption
Data security technology
unauthorized people or processes. Disk encryption uses disk encryption software or hardware to encrypt every bit of data that goes on a disk or disk volume
Disk_encryption
Block cipher
cryptography, FEAL (the Fast data Encipherment Algorithm) is a block cipher proposed as an alternative to the Data Encryption Standard (DES), and designed to
FEAL
1949 paper by Claude Shannon
cryptography, including the work of Horst Feistel, the Data Encryption Standard (DES), Advanced Encryption Standard (AES), and more. In the paper, Shannon defined
Communication Theory of Secrecy Systems
Communication_Theory_of_Secrecy_Systems
Cryptography construction
US Data Encryption Standard, the Soviet/Russian GOST (aka Magma) and the more recent Blowfish and Twofish ciphers. In a Feistel cipher, encryption and
Feistel_cipher
German-American cryptographer (1915 - 1990)
initiating research that culminated in the development of the Data Encryption Standard (DES) in the 1970s. The structure used in DES, called a Feistel
Horst_Feistel
Cryptography contest
RSA Security to highlight the lack of security provided by the Data Encryption Standard. The first challenge began in 1997 and was solved in 96 days by
DES_Challenges
Basic component of symmetric key algorithms
Data Encryption Standard (DES), but in some ciphers the tables are generated dynamically from the key (e.g. the Blowfish and the Twofish encryption algorithms)
S-box
Book by Matt Curtin
Brute Force: Cracking the Data Encryption Standard (2005, Copernicus Books ISBN 0387271600) is a book by Matt Curtin about cryptography. In this book,
Brute Force: Cracking the Data Encryption Standard
Brute_Force:_Cracking_the_Data_Encryption_Standard
Attempts to limit access to strong cryptography
commercial encryption for the rapidly growing field of wired money transfer. The U.S. Government's introduction of the Data Encryption Standard in 1975 meant
Crypto_Wars
American cryptographer (1914–2007)
cryptography team which had publicly criticized NSA's proposed Data Encryption Standard, DES, as being too easy to crack. In this meeting with Whitfield
Arthur_Levenson
Cryptography number with no hidden properties
motivated by early controversy over the U.S. Government's 1975 Data Encryption Standard, which came under criticism because no explanation was supplied
Nothing-up-my-sleeve_number
Cryptanalytic method for unauthorized users to access data
historically restricted key lengths to 56-bit symmetric keys (e.g. Data Encryption Standard), these restrictions are no longer in place, so modern symmetric
Brute-force_attack
Practice and study of secure communication techniques
include the commonly used AES (Advanced Encryption Standard) which replaced the older DES (Data Encryption Standard). Insecure symmetric algorithms include
Cryptography
Disk encryption is a special case of data at rest protection when the storage medium is a sector-addressable device (e.g., a hard disk). This article presents
Disk_encryption_theory
public encryption standard (DES), and the invention of public-key cryptography. The earliest known use of cryptography is found in non-standard hieroglyphs
History_of_cryptography
American mathematician (born 1950)
cryptographer and mathematician. He was involved in the design of the Data Encryption Standard block cipher at IBM, particularly the design of the S-boxes, strengthening
Don_Coppersmith
Method in cryptography
Adding encryption to such applications might be challenging if data models are to be changed, as it usually involves changing field length limits or data types
Format-preserving_encryption
Form of cryptanalysis
Yamagishi, 1992). Subsequently, Matsui published an attack on the Data Encryption Standard (DES), eventually leading to the first experimental cryptanalysis
Linear_cryptanalysis
Disk encryption software for Microsoft Windows
volume encryption feature included with Microsoft Windows versions starting with Windows Vista. It is designed to protect data by providing encryption for
BitLocker
Form of encryption that allows computation on ciphertexts
Homomorphic encryption is a form of encryption that allows computations to be performed on encrypted data without first having to decrypt it. The resulting
Homomorphic_encryption
General form of cryptanalysis applicable primarily to block ciphers
ciphers and hash functions, including a theoretical weakness in the Data Encryption Standard (DES). It was noted by Biham and Shamir that DES was surprisingly
Differential_cryptanalysis
Walter Tuchman led the Data Encryption Standard development team at IBM. He was also responsible for the development of Triple DES.[citation needed] Bamford
Walter_Tuchman
Privacy Guard (GPG) Pretty Good Privacy (PGP) S/MIME OpenPGP is a data encryption standard that allows end-users to encrypt the email contents. There are
Email_encryption
was the first group to publicly break a message which used the Data Encryption Standard (DES), becoming the $10,000 winner of the first of the set of DES
DESCHALL_Project
Crypto-shredding Data Encryption Standard (DES) Decipher Decode Decrypt DECT Standard Cipher Descrambler Dncipher Encode Encoding law Encrypt End-to-end encryption group
List of telecommunications encryption terms
List_of_telecommunications_encryption_terms
Tables for the Data Encryption Standard
This article details the various tables referenced in the Data Encryption Standard (DES) block cipher. All bits and bytes are arranged in big endian order
DES_supplementary_material
Activist advocating widespread use of strong cryptography
Diffie and Martin Hellman, and the US government publication of the Data Encryption Standard (DES), a block cipher which became very widely used. The technical
Cypherpunk
Type of encryption standard
Point-to-point encryption (P2PE) is a standard established by the PCI Security Standards Council. Payment solutions that offer similar encryption but do not
Point-to-point_encryption
American computer scientist
Force: Cracking the Data Encryption Standard. Curtin's work includes helping to prove the weakness of the Data Encryption Standard and providing expert
Matt_Curtin
American mathematician (1916–2001)
including the work of Horst Feistel, the Data Encryption Standard (DES), and the Advanced Encryption Standard (AES). As a result, Shannon has been called
Claude_Shannon
Cryptanalytic attacks using a system of multivariate equations
21 {\displaystyle 2^{21}} known plaintexts to break the 8 round Data Encryption Standard (DES) and 2 47 {\displaystyle 2^{47}} plaintexts to break the 16
Algebraic_attack
Number of bits in a key used by a cryptographic algorithm
cipher was selected in 1974 as the base for what would become the Data Encryption Standard. Lucifer's key length was reduced from 128 bits to 56 bits, which
Key_size
Data breach protection
means for prevention data loss include standard security measures, advanced/intelligent security measures, access control and encryption, and content-aware
Data_loss_prevention_software
Concept in data security
breach of 2013, cardholder data encryption must take place prior to card data entering the POS and not after. Encryption takes place within the confines
Tokenization_(data_security)
Computer authentication protocol
developed in the United States, and since it used the Data Encryption Standard (DES) encryption algorithm, U.S. export control restrictions prevented
Kerberos_(protocol)
Topics referred to by the same term
and Energy Data Encryption Algorithm, the block cipher algorithm defined in (and often referred to as) the Data Encryption Standard Data envelopment
DEA_(disambiguation)
2GL—Second-generation programming language 2NF—Second normal form 3DES—Triple Data Encryption Standard 3GL—Third-generation programming language 3GPP—3rd Generation Partnership
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
Block cipher
up to 256 bits. It was one of the five finalists of the Advanced Encryption Standard contest, but it was not selected for standardization. Twofish is
Twofish
On finding a repeating loop in a sequence
detection algorithms in the search for a message and a pair of Data Encryption Standard keys that map that message to the same encrypted value; Kaliski
Cycle_detection
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)
Earliest civilian block ciphers
and his colleagues at IBM. Lucifer was a direct precursor to the Data Encryption Standard. One version, alternatively named DTD-1, saw commercial use in
Lucifer_(cipher)
American mathematician (1915–2002)
mathematician. He was a member of the team that developed the Data Encryption Standard (DES). He studied topology at Princeton, where he invented the
Bryant_Tuckerman
Term applied to cryptographic systems that are highly resistant to cryptanalysis
of powerful computers and unclassified research breakthroughs (Data Encryption Standard, the Diffie-Hellman and RSA algorithms) made strong cryptography
Strong_cryptography
Book by Steven Levy
Security Agency and cypherpunks. The book details the creation of Data Encryption Standard (DES), RSA and the Clipper chip. Whitfield Diffie Martin Hellman
Crypto_(book)
Proposed web cryptography standard
word "jot") is a proposed Internet standard for creating data with optional signature and/or optional encryption whose payload holds JSON that asserts
JSON_Web_Token
Secure network protocol suite
supports network-level peer authentication, data origin authentication, data integrity, data confidentiality (encryption), and protection from replay attacks
IPsec
Standard for computer networking over a cable television system
this by encrypting data flows between the CMTS and the cable modem. BPI and BPI+ use 56-bit Data Encryption Standard (DES) encryption, while SEC adds support
DOCSIS
Process of securing digital information
documents and bank data. Data security is part of information security. Disk encryption refers to encryption technology that encrypts data on a hard disk
Data_security
American computer security company
American computer and network security company with a focus on encryption and decryption standards. RSA was named after the initials of its co-founders, Ron
RSA_Security
Standard for public key encryption and signing of MIME data
Internet Mail Extensions) is a standard for public-key encryption and signing of MIME data. S/MIME is on an IETF standards track and defined in a number
S/MIME
Two-way radio system
Motorola XTS 2500i with embedded encryption module to provide secure voice communications. The embedded encryption module is identical to that of the
AN/PRC-153
Cryptographic algorithm
Data Masking Facility) is an algorithm developed at IBM in 1992 to reduce the security strength of the 56-bit DES cipher to that of 40-bit encryption
CDMF
Museum in Maryland, U.S.
messages, technical reports, and books including how to crack the Data Encryption Standard using Deep Crack. The NCM collection contains thousands of artifacts
National_Cryptologic_Museum
American mathematician and billionaire (1938–2024)
the block cipher Lucifer, an early but direct precursor to the Data Encryption Standard (DES). In 2004, Simons founded Math for America, a nonprofit organization
Jim_Simons
Type of cipher
ubiquitous in the storage and exchange of data, where such data is secured and authenticated via encryption. A block cipher uses blocks as an unvarying
Block_cipher
Discrete, discontinuous representation of information
password protection, data encryption, or a combination of both. The security options used for this type of data are broadly referred to as data-at-rest protection
Digital_data
Cryptographic hardware
Foundation (EFF) in 1998, to perform a brute force search of the Data Encryption Standard (DES) cipher's key space – that is, to decrypt an encrypted message
EFF_DES_cracker
Topics referred to by the same term
dictionary. DES or Des may refer to: Data Encryption Standard, a block cipher that is no longer secure for today's standards DirectShow Editing Services, an
DES
Set of telecommunications standards
of Data Encryption Standard (DES) encryption (56 bit), 2-key Triple-DES encryption, three-key Triple-DES encryption, Advanced Encryption Standard (AES)
Project_25
Algorithm for encrypting and decrypting information
In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a
Cipher
Laws relating to encryption
what circumstances, a person can be compelled to decrypt data files or reveal an encryption key. Cryptography has long been of interest to intelligence
Cryptography_law
American cryptographer (born 1944)
1978. In 1975–76, Diffie and Hellman criticized the NBS proposed Data Encryption Standard, largely because its 56-bit key length was too short to prevent
Whitfield_Diffie
American cryptologist and academic (born 1945)
Diffie were the most prominent critics of the short key size of the Data Encryption Standard (DES) in 1975. An audio recording survives of their review of DES
Martin_Hellman
Type of cipher
has become the standard for national data encryption standards such as the Data Encryption Standard and the Advanced Encryption Standard. A product cipher
Product_cipher
Family of block ciphers
symmetric-key block ciphers designed as possible replacements for the Data Encryption Standard (DES). The ciphers were developed based on a body of work analysing
LOKI
Book by George Sassoon
was still being sold to other countries. Other encryption topics covered include Data Encryption Standard, Vernam cipher (one-time pad), pseudo random number
The_Radio_Hacker's_Codebook
Data encryption and authentication program
Pretty Good Privacy (PGP) is an encryption program that provides cryptographic privacy and authentication for data communication. PGP is used for signing
Pretty_Good_Privacy
Cryptographic hardware
Western Digital. The symmetric encryption key is maintained independently from the computer's CPU, thus allowing the complete data store to be encrypted and
Hardware-based full disk encryption
Hardware-based_full_disk_encryption
Aspect of US National Security Agency
National Security Agency took over responsibility for all US government encryption systems when it was formed in 1952. The technical details of most NSA-approved
NSA_encryption_systems
the standard ZIP (file format) algorithm to the base and update ENC files, before encryption. The other files are not compressed. "S-63 IHO Data Protection
S-63_(encryption_standard)
Wi-Fi communication standard
Opportunistic Wireless Encryption (OWE) is a Wi-Fi standard which ensures that communication between a public hotspot and end devices is protected from
Opportunistic Wireless Encryption
Opportunistic_Wireless_Encryption
Security and privacy measure
Database encryption can generally be defined as a process that uses an algorithm to transform data stored in a database into "cipher text" that is incomprehensible
Database_encryption
This is a technical feature comparison of different disk encryption software. Hidden containers: Whether hidden containers (an encrypted container (A)
Comparison of disk encryption software
Comparison_of_disk_encryption_software
Key size for symmetric encryption
a 56-bit Data Encryption Standard (DES) key in days, and would be able to break 40-bit DES encryption in about two seconds. 40-bit encryption was common
40-bit_encryption
American-Jewish engineer (1926–2011)
privacy. Baran participated in a review of the NBS proposal for a Data Encryption Standard in 1976, along with Martin Hellman and Whitfield Diffie of Stanford
Paul_Baran
Secure communications method
cryptographic keys needed to read or send messages. End-to-end encryption prevents data from being read or secretly modified, except by the sender and
End-to-end_encryption
Computer network management and monitoring protocol
against unauthorized data modification and spoofing attacks. If a higher level of security is needed the Data Encryption Standard (DES) can be optionally
Simple Network Management Protocol
Simple_Network_Management_Protocol
key (strong), 56-bit key, and 40-bit key (standard) MPPE encryption schemes are supported. MPPE provides data security for the PPTP connection that is
Microsoft Point-to-Point Encryption
Microsoft_Point-to-Point_Encryption
codes Data Encryption Standard de facto standard de jure Defense Standard DIN DSSSL Charles Benjamin Dudley EAN EBCDIC ETSI Extended Industry Standard Architecture
Index_of_standards_articles
Device used to perform financial transactions
ISBN 9780191085574. "The Economic Impacts of NIST's Data Encryption Standard (DES) Program" (PDF). National Institute of Standards and Technology. United States Department
ATM
Cryptographically secure pseudorandom number generator Curve25519 Data Encryption Standard Diffie–Hellman key exchange Double Ratchet Algorithm EdDSA Elliptic-curve
List of cryptographic software
List_of_cryptographic_software
Cryptographic system with public and private keys
"Asymmetric Encryption", in Mulder, Valentin; Mermoud, Alain; Lenders, Vincent; Tellenbach, Bernhard (eds.), Trends in Data Protection and Encryption Technologies
Public-key_cryptography
Egyptian engineer (1924–2009)
2019. "The Economic Impacts of NIST's Data Encryption Standard (DES) Program" (PDF). National Institute of Standards and Technology. United States Department
Mohamed_M._Atalla
Block cipher
In cryptography, DES-X (or DESX) is a variant on the DES (Data Encryption Standard) symmetric-key block cipher intended to increase the complexity of a
DES-X
Process of encrypting message one or more times
attack on Advanced Encryption Standard (AES). — Multiple Encryption, https://blog.cryptographyengineering.com/2012/02/02/multiple-encryption/ (February 2,
Multiple_encryption
cryptosystems use the same key for encryption and decryption. Caesar cipher Substitution cipher Enigma machine Data Encryption Standard Twofish Serpent Camellia
List_of_cryptosystems
Algorithm
algorithms for cryptography that use the same cryptographic keys for both the encryption of plaintext and the decryption of ciphertext. The keys may be identical
Symmetric-key_algorithm
cellphones, found to have weaknesses. CS-Cipher – 64-bit block Data Encryption Standard (DES) – 64-bit block; FIPS 46-3, 1976 DEAL – an AES candidate derived
Outline_of_cryptography
Network protocol used by the Web
configuration which is abbreviated as h2). Although the standard itself does not require usage of encryption, all major client implementations (Chrome, Edge,
HTTP/2
DATA ENCRYPTION-STANDARD
DATA ENCRYPTION-STANDARD
Female
English
 English surname transferred to unisex forename use, possibly DANA means "from Denmark." Compare with other forms of Dana.
Female
English
 Middle English name DARA means "brave, daring." Compare with another form of Dara.
Female
Finnish
 Short form of Finnish Katariina, KATA means "pure." Compare with other forms of Kata.
Female
Finnish
Variant form of Finnish Aada, AATA means "noble."
Female
Russian
 Short form of Russian Yekaterina, KATA means "pure." Compare with other forms of Kata.
Female
Polish
 Variant spelling of Polish Dyta, DITA means "rich battle." Compare with another form of Dita.
Male
Irish
 From Irish Gaelic Mac Dara, DARA means "son of oak." Compare with other forms of Dara.
Female
Slavic
 Short form of Slavic Bogdana, DANA means "gift from God." Compare with other forms of Dana.
Male
Hebrew
Variant spelling of Hebrew Dathan, DATAN means "belonging to a fountain."
Female
Hebrew
(×“Ö¼Ö¸× Ö¸×”) Feminine form of Hebrew Dan, DANA means "judge." Compare with other forms of Dana.
Female
Polish
Short form of Polish Edyta, DYTA means "rich battle."
Male
Hebrew
(דֶּרַע) Hebrew name DARA means "the arm." In the bible, this is the name of a son of Zerah. Compare with other forms of Dara.
Male
English
English surname transferred to unisex forename use, possibly DANA means "from Denmark."
Female
Hungarian
 Short form of Hungarian Katalin, KATA means "pure." Compare with other forms of Kata.
Girl/Female
Hindu
A creeper
Female
Hindi/Indian
(लता) Hindi name derived from a plant name, from the Sanskrit word lata, LATA means "creeper," in reference to a creeping plant.
Male
Irish
Irish Gaelic name MAC DARA means "son of oak." This is the name of a patron saint and is still common in Ireland, especially in Connemara.
Male
Iranian/Persian
 Short form of Persian Dârayavahush, DARA means "possesses a lot, wealthy." Compare with other forms of Dara.
Male
Turkish
Turkish name ATA means "ancestor."
Female
Hebrew
(דִּיתָה) Pet form of Hebrew Yehuwdiyth, DITA means "Jewess" or "praised." Compare with another form of Dita.
DATA ENCRYPTION-STANDARD
DATA ENCRYPTION-STANDARD
Boy/Male
Latin
Hammer.
Girl/Female
Indian
Goddess Laxmi
Boy/Male
Hebrew, Hindu, Indian
Messenger of God; Lord Krishna; Chief; Angel; Lord Vishnu
Surname or Lastname
English
English : habitational name from a place in Leicestershire, so called from the Old English byname H̄nca (a derivative of Hūn ‘bear-cub’) + Old English lēah ‘wood’, ‘clearing’.
Girl/Female
Muslim/Islamic
Garden
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit
A Celestial Cobra
Girl/Female
Arabic, Australian, Muslim
Ray of Sunshine; Super-sugar Coated
Girl/Female
Gujarati, Hindu, Indian
Worship; Long Practice; Study; Fulfilment; Achievement; Goddess Durga
Boy/Male
Indian, Tamil
King
Surname or Lastname
English
English : from Middle English moul, an older form of mule ‘mule’, which was altered under Norman French influence (see Mule). This would have been a nickname for a stubborn person or a metonymic occupational name for a driver of pack animals.
DATA ENCRYPTION-STANDARD
DATA ENCRYPTION-STANDARD
DATA ENCRYPTION-STANDARD
DATA ENCRYPTION-STANDARD
DATA ENCRYPTION-STANDARD
n.
That addition to a writing, inscription, coin, etc., which specifies the time (as day, month, and year) when the writing or inscription was given, or executed, or made; as, the date of a letter, of a will, of a deed, of a coin. etc.
n.
Prior date; a date antecedent to another which is the actual date.
v. t.
To date erroneously.
v. i.
To have beginning; to begin; to be dated or reckoned; -- with from.
imp. & p. p.
of Date
n.
The point of time at which a transaction or event takes place, or is appointed to take place; a given point of time; epoch; as, the date of a battle.
a.
Without date; having no fixed time.
pl.
of Datum
n.
Given or assigned length of life; dyration.
a.
Erroneous in date; containing an anachronism.
v. t.
To note the time of writing or executing; to express in an instrument the time of its execution; as, to date a letter, a bond, a deed, or a charter.
p. pr. & vb. n.
of Date
n. pl.
See Datum.
n.
A New Zealand forest tree (Metrosideros robusta), also, its hard dark red wood, used by the Maoris for paddles and war clubs.
n.
The fruit of the date palm; also, the date palm itself.
n.
Death; decease; the date of one's death.
n.
Assigned end; conclusion.
v. t.
To note or fix the time of, as of an event; to give the date of; as, to date the building of the pyramids.
a.
Being out of date; antiquated.