[Botan-devel] RSA with EMSA3 padding
lloyd at randombit.net
Fri Nov 28 08:34:21 EST 2008
On Wed, Nov 26, 2008 at 04:13:18PM +0100, Rickard Bondesson wrote:
> I am trying to sign data with RSA and I am using PK_Signer for this
> task. It works well if I also want to hash the data that I get. Is
> there a way of using PK_Signer with EMSA3 padding but no hash
Sorry about the delay, Thanksgiving here the US was occupying me.
Is the reason you want to do this to support some custom hash
function? I don't quite understand the problem.
One wrinkle is that EMSA3 padding includes a hash identifier -
it's not clear to me what hash id EMSA3 should include in the
case of no hash at all.
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