Thanks, Richard.
Lule
-----Original Message-----
From: Richard Levitte - VMS Whacker [mailto:[EMAIL PROTECTED]]
Sent: September 24, 2003 12:55 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: Password-based encryption with md5 cbc, how
In message <[EMAIL PROTECTED]> on Wed, 24 Sep 2003 18:13:00 +0200, "Dr. Stephen Henson" <[EMAIL PROTECTED]> said:
steve> On Wed, Sep 24, 2003, Lule Chen wrote:
steve>
steve> > Thanks, Dr. Stephen:
steve> >
steve> > Another question: what is the key length, 64 bits or 128 bits?
steve> >
steve>
steve> Well you originally said PKCS#5 v1.5 and the only algorithm
steve> defined in there is DES-CBC which is 56 bits.
Note for Lule Chen: DES-CBC keys may appear to be 64 bits, but that's because the most significant bit in every octet is a parity bit, and this not really part of the key. 8 octets => 64 bits, minus 8 parity bits gives you 56 actual key bits.
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