Broken block ciphers

NewDES

In cryptography, NewDES is a symmetric key block cipher. It was created in 1984–1985 by Robert Scott as a potential DES replacement. Despite its name, it is not derived from DES and has quite a different structure. Its intended niche as a DES replacement has now mostly been filled by AES. The algorithm was revised with a modified key schedule in 1996 to counter a related-key attack; this version is sometimes referred to as NewDES-96. In 2004, Scott posted some comments on sci.crypt reflecting on the motivation behind NewDES's design and what he might have done differently so as to make the cipher more secure. (Wikipedia).

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Related pages

Cryptanalysis | Plaintext | Ciphertext | Avalanche effect | Block cipher | Key schedule | Related-key attack | Nothing-up-my-sleeve number | Product cipher | Key (cryptography) | Cryptography | Advanced Encryption Standard | Data Encryption Standard