Class Cryptokit.Block.ofb

class ofb : ?iv:string -> int -> block_cipher -> block_cipher

Add Output Feedback Block (OFB) to the given block cipher. The integer argument n is the number of bytes processed at a time; it must lie between 1 and the block size of the underlying cipher, included. The returned block cipher has block size n. It is usable both for encryption and decryption.

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