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...

Triple DES (3DES or TDES), officially the Triple Data Encryption Algorithm (TDEA or Triple DEA), is a symmetric-key block cipher, which applies the DES cipher...

expensive alternative is DES-X, which increases the key size by XORing extra key material before and after DES. GDES was a DES variant proposed as a way...

The Corps des Ingénieurs des Ponts, des Eaux et des Forêts (in English "Corps of the Engineers of Bridges, Waters and Forests") is a technical Grand Corps...

Als-Nielsen, Jens; Mcmorrow, Des (2001). Elements of Modern X-Ray Physics. John Wiley & Sons Ltd. pp. 40–41. ISBN 978-0-471-49858-2. X-ray at Wikipedia's sister...

In cryptography, the EFF DES cracker (nicknamed "Deep Crack") is a machine built by the Electronic Frontier Foundation (EFF) in 1998, to perform a brute...

Frederik X (Frederik André Henrik Christian, pronounced [ˈfʁeðˀʁek] born 26 May 1968) is King of Denmark. He acceded to the throne following his mother's...

open and transparent than its predecessor, the Data Encryption Standard (DES). This process won praise from the open cryptographic community, and helped...

x , Δ y ) {\displaystyle (\Delta _{x},\Delta _{y})} where Δ y = S ( x ⊕ Δ x ) ⊕ S ( x ) {\displaystyle \Delta _{y}=S(x\oplus \Delta _{x})\oplus S(x)}...

order x 7 {\displaystyle x^{7}} . Addition is simply XOR. Multiplication is modulo irreducible polynomial x 8 + x 4 + x 3 + x + 1 {\displaystyle x^{8}+x^{4}+x^{3}+x+1}...