Block.cfb_decrypt
Add Cipher Feedback Block (CFB) to the given block cipher in decryption mode. See Cryptokit.Block.cfb_encrypt
.
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
.