[Cryptography] Propagating Cipher Block Chaining (PCBC)

[sebastien riou]

Wikipedia mention a weakness of the Propagating Cipher Block Chaining
(PCBC): "On a message encrypted in PCBC mode, if two adjacent ciphertext
blocks are exchanged, this does not affect the decryption of subsequent
blocks"
I would like to know if there is any other known weakness:
- weakness on the confidentiality property
- weakness on the error propagating property

Sebastien
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