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Re: Canonical way to invoke the KDF?

On 11/15/13 16:09, Ron Garret wrote:
> Since we’re on this topic, I have a question/suggestion:
>> The parameter N must be a power of 2 greater than 1.
> It seems to me that it would be better to specify that the input parameter n should simply be a positive integer and have the computation of N=2^n be part of the scrypt algorithm.  Is there a reason you didn’t do it that way?

The scrypt algorithm is specified as operating on arbitrary N; it's just
this particular implementation which is limited in the values it can

I wanted the parameters of the function to match the definition of the
algorithm it implements.

Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid