DES

E171105

DES (Data Encryption Standard) is a now-obsolete symmetric-key block cipher that was once a widely used U.S. government encryption standard but fell out of favor due to its relatively short key length and vulnerability to brute-force attacks.

All labels observed (2)

Label Occurrences
DES canonical 10
AUTH_DES 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf U.S. government encryption standard ⓘ
encryption algorithm ⓘ
symmetric-key block cipher ⓘ
abbreviationOf Data Encryption Standard ⓘ
basedOn Lucifer cipher ⓘ
linked to: Feistel network
blockSize 64 bits ⓘ
category block cipher ⓘ
cipherStructure Feistel network ⓘ
countryOfStandardization United States ⓘ
designedBy IBM ⓘ
designersInclude Don Coppersmith ⓘ
Horst Feistel ⓘ
Walter Tuchman ⓘ
effectiveKeySize 56 bits ⓘ
encryptionModeSupport CBC ⓘ
CFB ⓘ
CTR ⓘ
ECB ⓘ
OFB ⓘ
firstPublished 1975 ⓘ
fullName Data Encryption Standard ⓘ
keyScheduleType bit-permutation and rotation ⓘ
keySize 56 bits ⓘ
keyType symmetric key ⓘ
numberOfRounds 16 ⓘ
numberOfSBoxes 8 ⓘ
operatesOn 64-bit data blocks ⓘ
parityBits 8 bits ⓘ
primaryUseHistorical data confidentiality ⓘ
replacedBy Advanced Encryption Standard ⓘ
SBoxInputSize 6 bits ⓘ
SBoxOutputSize 4 bits ⓘ
standardizedBy NIST ⓘ
National Bureau of Standards ⓘ
standardName FIPS PUB 46 ⓘ
standardPublicationYear 1977 ⓘ
status considered insecure for most applications ⓘ
successorStandard AES ⓘ
Triple DES ⓘ
linked to: 3DES
totalKeyBits 64 bits ⓘ
usesFinalPermutation true ⓘ
usesInitialPermutation true ⓘ
usesSBoxes true ⓘ
vulnerability brute-force key search ⓘ
differential cryptanalysis ⓘ
linear cryptanalysis ⓘ
withdrawnAsStandard 2005 ⓘ

How these facts were elicited

Referenced by (11)

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

3DES → basedOn → DES ⓘ
CBC-DES → blockCipher → DES ⓘ
Feistel network → usedBy → DES ⓘ
FIPS PUB 46 → relatedTo → DES ⓘ
Sun RPC → authenticationMechanism → AUTH_DES ⓘ
linked to: DES
Electronic Codebook mode → usedWith → DES ⓘ
subject linked to: Electronic Codebook (ECB) mode