Question: Using Output Feedback Mode and the below-given figure as a guide, write an expression for C3 in terms of only the key (K), the first

Using Output Feedback Mode and the below-given figure as a guide, write an expression for C3 in terms of only the key (K), the first three plaintext blocks (P1, P2, P3), the initialization vector (IV), and the encryption function E().

Using Output Feedback Mode and the below-given figure as a guide, write

P. K K Encrypt Encrypt Encrypt (a) Encryption G G CN Decrypt Decrypt Decrypt P2 PX (b) Decryption

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9. Distributing evaluation materials (e.g., tests, reaction measures, surveys).

7. Having backup equipment (e.g., paper copy of slides, an extra overhead projector bulb) should equipment fail.