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Feistel Cipher - Computerphile

Computerphile

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  • Recommended by 1 person: 1 in engineering communities.
  • Presented by Dr. Mike Pound, University of Nottingham

Intermediate. Assumes working knowledge.

280K views6 years ago1 recommendation

SecurityComputer scienceCryptography

Dr. Mike Pound explains the design and elegance of the Feistel cipher structure used in cryptography.

One of the most elegant solutions for cryptography. Dr Mike Pound explains one of his most favourite ciphers. facebook.com/computerphile twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at bradyharan.com

Why it's here

1 person recommends this

What people say. Recommended to illustrate how the XOR operation is used in cryptographic ciphers.

u/StenSoftin r/C_Programming • Recommends

On “When is the XOR useful time”

Encryption. Pretty much all ciphers use xor. It has some neat features for creating Feistel ciphers. Parity/checksum. RAID-5 uses xor to calculate parity. CRC uses xor to calculate checksums.
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