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racfor_wiki:block_cipher_modes [2021/01/17 16:09] jli [Cipher Block Chaining (CBC)] |
racfor_wiki:block_cipher_modes [2024/12/05 12:24] (trenutno) |
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| - | The main drawback of the CBC mode is sequential. In CBC encryption, the input block to each forward cipher operation (except the first) depends on the result of the previous forward cipher operation, so process cannot be parallelized. And only a one-bit change in a plaintext or initialization vector affects all following ciphertext blocks. | + | The main drawback of the CBC mode is sequential. In CBC encryption, the input block to each forward cipher operation (except the first) depends on the result of the previous forward cipher operation, so the process cannot be parallelized. And only a one-bit change in a plaintext or initialization vector affects all following ciphertext blocks. |
| ===== Cipher Feedback (CFB) ===== | ===== Cipher Feedback (CFB) ===== | ||