Documents Session 2 Symmetric ciphers 1. Stream cipher definition Recall the Vernam cipher: Plaintext...

Slide 1 Session 2 Symmetric ciphers 1 Slide 2 Stream cipher definition Recall the Vernam cipher: Plaintext 000110111101101 Ciphertext 110000101000110 (Running) key 110110010101011…

Documents Session 2: Secret key cryptography – stream ciphers – part 1.

Slide 1 Session 2: Secret key cryptography – stream ciphers – part 1 Slide 2 The Vernam cipher Message 000110111101101 Cryptogram 110000101000110 Running key 110110010101011…