> If the data is too big, break it up into pieces and chain these > constructions together. The output of one block becomes the input "IV" > of the next block.
I think you mean input *key*. This is essentially the Matyas-Meyer-Oseas construction, although they define it across two blocks because they only had DES (and hence a 64-bit block size) to work with. William --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]