[xmlsec] core methods for write of <X509SubjectName/> and <X509IssuerSerial/>

[Roumen Petrov]

Aleksey Sanin wrote:

>>> I have looked at your new patch and I have few comments:
>>>     0) It seems that xmlSecOpenSSLKeyDataX509XmlWrite() function
>>>     now writes subject, serial or full certificate only for the 
>>> first certificate
>>>     in the xmlSecKey. All other certificates are written "in-full".
>>
>> There is no special case the first cert  :-[
>
> Well, I used a wrong word. Not "cert" but "certs" :) The point is that 
> you don;t know
> the certs order in xmlSecKey. Nobody said that it'll be the same as 
> one you've
> specified in xmlsec utility command line :) For example, xmlsec-XXX 
> might use
> a hash table (per cert subject) to store the certs assotiated with a key.

Might is not easy to implement writing of  <X509Data>.
Only reasonable please to specify "cert. xmlsec_write_type" is might 
method XXX-AdoptCert (cert_store, cert, cert_properties).