ANSI X3.92

E678091

ANSI X3.92 is a U.S. national standard that formally specifies the Data Encryption Standard (DES) symmetric-key cryptographic algorithm for commercial and government use.

All labels observed (1)

Label Occurrences
ANSI X3.92 canonical 1

How this entity was disambiguated

Statements (33)

Predicate Object
instanceOf U.S. national standard
cryptographic standard
data encryption standard
abbreviation DES
applicationDomain U.S. government data security
commercial data security
basedOn IBM Lucifer cipher design
linked to: Lucifer cipher
blockSize 64 bits
cipherType block cipher
countryOfOrigin United States
defines Data Encryption Standard algorithm
encryptionType symmetric-key algorithm
fullName Data Encryption Standard
influenced Triple DES (3DES)
linked to: 3DES

later symmetric-key standards
keySize 56 bits
64-bit key with 8 parity bits
publishedBy American National Standards Institute
relatedStandard FIPS PUB 46
FIPS PUB 46-1
linked to: FIPS PUB 46

FIPS PUB 46-2
linked to: FIPS PUB 46

FIPS PUB 46-3
linked to: FIPS PUB 46
rounds 16
securityLevel considered inadequate against exhaustive key search with modern computing power
specifies DES S-boxes
linked to: S-box

DES expansion and permutation functions
final permutation for DES
initial permutation for DES
key schedule for DES
standardizes DES encryption and decryption operations
status largely superseded for new designs due to security concerns with short key length
useCase encryption of sensitive but unclassified data
usesStructure Feistel network

How these facts were elicited

Referenced by (1)

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