Re: Comments on interface?



On Sun, 26 Apr 2009 13:55:46 +0300, Phil Carmody
<thefatphil_demunged@xxxxxxxxxxx> wrote:

rossum <rossum48@xxxxxxxxxxxx> writes:
On Sun, 26 Apr 2009 01:23:47 +0100, Mark Wooding
<mdw@xxxxxxxxxxxxxxxx> wrote:

If there is no inverse then it's not a block cipher.
A block cypher in CTR mode ...

Yebbut, that's a stream mode. You're not using the
block cypher primitive to encode the plaintext.
But we do use the block cypher primitive in only one direction to both
encrypt and decrypt. Whether it is a "stream cypher" or a "block
cypher" in a specific mode ... :)

rossum

Phil

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