#!/usr/bin/env php

pfx , pin , in , out 
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<b>Warning</b>:  DOMDocument::loadXML(): Empty string supplied as input in <b>/home/soasem/public_html/CR/hacienda/firmador.php</b> on line <b>61</b><br />
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<b>Fatal error</b>:  Uncaught Error: Call to a member function getAttribute() on null in /home/soasem/public_html/CR/xmlseclibs/src/XMLSecurityDSig.php:284
Stack trace:
#0 /home/soasem/public_html/CR/hacienda/firmador.php(79): RobRichards\XMLSecLibs\XMLSecurityDSig-&gt;setSignPolicy()
#1 /home/soasem/public_html/CR/cli_signer.php(18): Hacienda\Firmador-&gt;firmarXml(NULL, NULL, NULL, 5, NULL)
#2 {main}
  thrown in <b>/home/soasem/public_html/CR/xmlseclibs/src/XMLSecurityDSig.php</b> on line <b>284</b><br />