[foaf-protocols] Why exponent/modulus

Nathan nathan at webr3.org
Fri Sep 17 20:28:32 CEST 2010

Henry Story wrote:
> On 17 Sep 2010, at 18:48, Nathan wrote:
>>>> So, I guess what I'm saying is, that unless we pester every major language to add native ASN.1 support / expose modulus and exponent / create an ASN1 reader in every major language, we can never create portable webid plugins for media wiki / drupal / wordpress.
>>> I think we should make a table and work out which languages have trouble with this, and
>>> a map of solutions. Then we can look at what advantage that will give us with some objective facts to back this up.
>>> Thanks for bringing up this issue.
>> agreed, good call,
> As I understand those are all php based, right? So I think if we find a solution for PHP we have covered the largest user base that tends to have difficulty upgrading.
> Damien Tournoud started writing an ASN.1 parser last year, so perhaps if the community helps
> him out, he'll get one finished sooner :-)

I'll gladly help that, when I get a moment, likewise if anyone wants 
I've got a parser that works for some certs yet has bugs (ie it works 
for foaf.me generated certs, and not for timbl's).

Just stuck it on github http://github.com/webr3/x509



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