The second is data encryption standard ( DES ), a 56-bit key symmetric algorithm which is a US Government standard and is endorsed by the US military.
22.
That code data encryption standard, protects bank transactions and other secret communications in the US, but RSA and other computer interests believe the standard offers insufficient protection against hackers.
23.
The new NTT chips, however, are based on the U . S . Data Encryption Standard which has a 56-bit key, and actually triples the strength of that standard.
24.
But the movie on the disc is scrambled with Triple DES _ the version of the U . S . government's Data Encryption Standard approved for secure data communications.
25.
The breakthrough attempt tested 88 billion possible combinations every second for 56 hours until it unlocked a message that had been scrambled using a government-approved method, called the Data Encryption Standard.
26.
The library includes over a dozen boxes of the files of Herbert Yardley, declassified Enigma messages, technical reports, and books including how to crack the Data Encryption Standard using Deep Crack.
27.
The "'Data Encryption Standard "', or "'DES "', is a cipher selected as an official FIPS standard for the United States in 1976, and which has subsequently enjoyed widespread use internationally.
28.
Nor did it cover the advent of strong cryptography in the public domain, beginning with the invention of public key cryptography and the specification of the Data Encryption Standard in the mid-1970s.
29.
Fixed tables are normally used, as in the Data Encryption Standard ( DES ), but in some ciphers the tables are generated dynamically from the Blowfish and the Twofish encryption algorithms ).
30.
Subsequently, Matsui published an attack on the Data Encryption Standard ( DES ), eventually leading to the first experimental cryptanalysis of the cipher reported in the open community ( Matsui, 1993; 1994 ).
