22-10-2010, 05:31 PM
[attachment=6772]
[attachment=6772]
Cryptography
Improvements
Stream cipher:
encryption rule depends on the plaintext symbol’s position in the stream of plaintext symbols
Block cipher:
encrypt several plaintext symbols at once in a block
[attachment=6772]
Cryptography
Improvements
Stream cipher:
encryption rule depends on the plaintext symbol’s position in the stream of plaintext symbols
Block cipher:
encrypt several plaintext symbols at once in a block
