Data Encryption Standard

E172893

Data Encryption Standard is an older symmetric-key block cipher algorithm once widely used for data protection but now considered insecure and largely superseded by stronger standards.

All labels observed (5)

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf block cipher ⓘ
encryption standard ⓘ
symmetric-key algorithm ⓘ
abbreviation DES ⓘ
alsoKnownAs DEA ⓘ
Data Encryption Algorithm ⓘ
applicationDomain data protection ⓘ
financial transactions ⓘ
telecommunications security ⓘ
blockSize 64 bits ⓘ
classification public standard ⓘ
countryOfOrigin United States ⓘ
designedBy Horst Feistel ⓘ
IBM ⓘ
designFeature S-boxes ⓘ
linked to: S-box

final permutation ⓘ
initial permutation ⓘ
key schedule ⓘ
effectiveKeySize 56 bits ⓘ
encryptionModeSupport CBC ⓘ
CFB ⓘ
CTR ⓘ
ECB ⓘ
OFB ⓘ
firstStandardizedAs FIPS PUB 46 ⓘ
followedByStandard FIPS 46-1 ⓘ
linked to: FIPS PUB 46

FIPS 46-2 ⓘ
linked to: FIPS PUB 46

FIPS 46-3 ⓘ
linked to: FIPS PUB 46
influencedBy Lucifer cipher ⓘ
keySize 56 bits ⓘ
keySpaceSize 2^56 ⓘ
keyType symmetric key ⓘ
nominalKeySize 64 bits ⓘ
numberOfRounds 16 ⓘ
parityBits 8 bits ⓘ
publicationYear 1977 ⓘ
standardizedBy NIST ⓘ
National Bureau of Standards ⓘ
status insecure ⓘ
structure Feistel network ⓘ
supersededBy AES ⓘ
Advanced Encryption Standard ⓘ
usedInStandard ANSI X3.92 ⓘ
ISO/IEC 8372 ⓘ
variant Triple DES ⓘ
vulnerability brute-force key search ⓘ
differential cryptanalysis ⓘ
linear cryptanalysis ⓘ
wasWidelyUsedIn 1980s ⓘ
1990s ⓘ

How these facts were elicited

Referenced by (27)

Full triples — surface form annotated when it differs from this entity's canonical label.

Advanced Encryption Standard → replacedStandard → Data Encryption Standard ⓘ
3DES → belongsToStandardFamily → Data Encryption Algorithm (DEA) family ⓘ
linked to: Data Encryption Standard
DES → fullName → Data Encryption Standard ⓘ
DES → abbreviationOf → Data Encryption Standard ⓘ
Data Encryption Standard → alsoKnownAs → Data Encryption Algorithm ⓘ
linked to: Data Encryption Standard
CBC-DES → usesAlgorithm → Data Encryption Standard ⓘ
differential cryptanalysis → notableApplication → Data Encryption Standard ⓘ
differential cryptanalysis → earlierKnownTo → IBM DES design team ⓘ
linked to: Data Encryption Standard
Feistel network → usedBy → Data Encryption Standard ⓘ
NIST SP 800-67 → relatedTo → Data Encryption Standard ⓘ
ANSI X9.52 → basedOnAlgorithm → Data Encryption Standard ⓘ
S-box → usedInCipher → Data Encryption Standard ⓘ
Horst Feistel → notableWork → Data Encryption Standard ⓘ
Walter Tuchman → notableWork → Data Encryption Standard ⓘ
FIPS PUB 46 → standardizes → Data Encryption Standard ⓘ
Lucifer cipher → precursorOf → Data Encryption Standard ⓘ
Lucifer cipher → influenced → Data Encryption Standard ⓘ
Lucifer cipher → relatedTo → Data Encryption Standard ⓘ
Lucifer cipher → comparedWith → Data Encryption Standard ⓘ
DEA → fullName → Data Encryption Algorithm ⓘ
linked to: Data Encryption Standard
DEA → usedInStandard → Data Encryption Standard ⓘ
DEA → abbreviationOf → Data Encryption Algorithm ⓘ
linked to: Data Encryption Standard
DEA → relatedConcept → Data Encryption Standard ⓘ
ANSI X3.92 → fullName → Data Encryption Standard ⓘ
ANSI X3.92 → defines → Data Encryption Standard algorithm ⓘ
linked to: Data Encryption Standard
ISO/IEC 8372 → specifies → Data Encryption Standard ⓘ
Unix crypt(3) → basedOn → Data Encryption Standard ⓘ