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Block Cipher - Encrypt More Than 1 Block

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If you are going to encrypt (cipher) more than one block, you need a mode of operation for that.

For example the preferred cipher AES (Advanced Encryption Standard) uses


Key sizes 128, 192 or 256 bits
Block sizes 128 bits

Electronic CodeBook, ECB

Cipher Block Chaining, CBC with random IVs

Counter, CTR with unique nonces (Number only used ONCE)

Counter with CBC-MAC, CCM

Galois/Counter Mode, GCM


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