Tagged Questions
-2
votes
2answers
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May the problem with DES using OFB mode be generalized for all feistel ciphers
There is a problem with using DES as the block cipher in OFB mode, eg: the feedback that goes back into the next round will be encrypted with the same key $k$ resulting back into the plaintext IV used ...
5
votes
1answer
1k views
Avalanche effect in DES
I couldn't understand the avalanche effect in DES. Could someone explain how avalanche effect happens in DES