Is there an algorithm that computes the strength of a digest alg?

[Bradford Wetmore]

I don't know of anything like that.  As Michael points out, key Lengths 
by themselves are not always a good indicator of relative stength.

BTW, JSSE hard-codes the choices.

Brad




On 10/23/2011 6:52 PM, Weijun Wang wrote:
> Hi Andrew
>
> I need a method
>
> boolean isWeakerThan(String a1, String a2)
>
> so that isWeakerThan("MD5", "SHA1") returns true and
> isWeakerThan("SHA-256", "SHA1") returns false. I know you have done a
> lot of constraints works in JDK 7. Do you have an existing one?
> Otherwise, I plan to manually assign a value to each known algorithm and
> compare it.
>
> Thanks
> Max