On Mon, Mar 05, 2007 at 02:06:19PM -0800, Brandon Ooi wrote:
> Hi,
>
> Sorry if this is a dumb question but I couldn't find the openssl
> bugzilla (or equivalent) to look for this. I was using openssl to check
> primes and kept running into these weird issues until I found this...
>
> $ openssl version
> OpenSSL 0.9.7f 22 Mar 2005
> $ openssl prime 2
> 2 is not prime
$ 0.9.6/bin/openssl version
OpenSSL 0.9.6m 17 Mar 2004
$ 0.9.6/bin/openssl prime 2
openssl:Error: 'prime' is an invalid command.
... copious usage ...
$ 0.9.7/bin/openssl version
OpenSSL 0.9.7l 28 Sep 2006
$ 0.9.7/bin/openssl prime 2
2 is not prime
$ 0.9.8/bin/openssl version
OpenSSL 0.9.8d 28 Sep 2006
$ 0.9.8/bin/openssl prime 2
2 is prime
$ 0.9.9/bin/openssl version
OpenSSL 0.9.9-dev XX xxx XXXX
$ openssl prime 2
2 is prime
> But.. 2 is prime right?
Yes.
> Anyways, it's not a huge issue but this could be a bigger bug?
Not likely, just a failure in 0.9.7 to exclude 2 from the set of composite
even numbers.
--
Viktor.
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