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>
> You're describing 8-bit-shift CFB. The variant that shifts 64 bits at
> a time requires no more work than straight encryption.
Yes, but the problem we're currently having is that we need to be able to
send byte-at-a-time data over a wire. If we use a 64-bit-shift CFB, we
have exactly the same problem as using a 64 bit cipher in CFB mode.
> The rule is Ciphertext[N] = Encrypt(Ciphertext[N-1]) XOR Plaintext[N].
> Initialize with Ciphertext[-1] = IV.
Thats no more efficient than 8-bit-shift CFB, if the plaintext size is a
byte, which it has to be in order to avoid this padding effect.
Scott
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