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Lecture Notes in Computer Science
Whereas a block cipher enciphers messages of some one particular length the blocklength, a variable-input-length cipher takes messages of varying and preferably arbitrary lengths. Still, the length of the ciphertext must equal the length of the plaintext. This paper introduces the problem of constructing such objects, and provides a practical solution. Our VIL mode of operation make s a v ariable-input-length cipher from any block cipher. The method is demonstrably secure in thedoi:10.1007/3-540-48519-8_17 fatcat:vie4wr3y7re7hpmeueambarmnm