[cryptography] RSA Moduli (NetLock Minositett Kozjegyzoi Certificate)

Peter Gutmann pgut001 at cs.auckland.ac.nz
Fri Mar 23 09:39:20 EDT 2012


Jon Callas <jon at callas.org> writes:
>On Mar 23, 2012, at 6:03 AM, Peter Gutmann wrote:
>> Jeffrey Walton <noloader at gmail.com> writes:
>>> 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.
>>
>> Seeing a CA put a key like this in a cert is a bit like walking down the
>> street and noticing someone coming towards you wearing their underpants on
>> their head, there's nothing inherently bad about this but you do tend to want
>> to cross the street to make sure that you avoid them.
>
>But Peter, CAs don't *precisely* put keys into certs. CAs certify a key that
>the key creator wants to have in their cert.

This is a self-signed cert from the CA, so the key creator was the CA.

Peter.




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