On Fri, Mar 23, 2012 at 3:00 AM, Florian Weingarten <[email protected]> wrote: > On 03/22/2012 11:29 PM, Jeffrey Walton wrote: >> Is there any benefit to using an exponent that factors? I always >> thought low hamming weights and primality were the desired attributes >> for public exponents. And I'm not sure about primality. > > Not that I know of. At least Textbook RSA doesn't require primality, > just coprimality to (p-1)(q-1). Thanks Florian. I was aware of coprimality.
I guess that begs the next question: why are theses certificates* limiting the exponent to 2 octets (ie, uint16)? Why not 4, 8 or arbitrary? Jeff * I ran into another certificate yesterday on android-security-discuss. Weird. _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
