[xmlsec] DSA Signatures
timlegge at gmail.com
Mon Jan 4 11:06:43 PST 2021
Thanks. I suspect it is related to the possible leading zeros in the
I2OSP spec that I may be losing when I concatenate r and s but I have
not tracked it down yet.
On Mon, Jan 4, 2021 at 2:25 PM Aleksey Sanin <aleksey at aleksey.com> wrote:
> On 1/4/21 9:07 AM, Timothy Legge wrote:
> > Hi
> > This is somewhat off topic as it is related to my maintenance of the
> > Perl XML::Sig module.
> > DSA signatures are a base64 encoded concatenation of the r and s octet
> > streams. I can sign and verify DSA signatures with XML::Sig or xmlsec
> > but occasionally the DSA signature validation fails (for both XML::Sig
> > and xmlsec at the same time).
> > I assume something is getting lost when I concatenate r and s before
> > it is base64 encoded. Any thoughts based on how xmlsec generates the
> > base64 encoded DSA signature?
> > regards
> > Tim
> > _______________________________________________
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> > xmlsec at aleksey.com
> > http://www.aleksey.com/mailman/listinfo/xmlsec
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