package cryptokit

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The DES block cipher, in encryption mode. The string argument is the key; its length must be 8 bytes.

method blocksize : int

The size in bytes of the blocks manipulated by the cipher.

method transform : bytes -> int -> bytes -> int -> unit

The size in bytes of the blocks manipulated by the cipher.

transform src spos dst dpos encrypts or decrypts one block of data. The input data is read from byte array src at positions spos, ..., spos + blocksize - 1, and the output data is stored in byte array dst at positions dpos, ..., dpos + blocksize - 1.

method wipe : unit

transform src spos dst dpos encrypts or decrypts one block of data. The input data is read from byte array src at positions spos, ..., spos + blocksize - 1, and the output data is stored in byte array dst at positions dpos, ..., dpos + blocksize - 1.

Erase the internal state of the block cipher, such as all key-dependent material.