code: function(obj) {
        // validate EnvelopedData content block and capture data
        var capture = _fromAsn1(msg, obj, p7.asn1.envelopedDataValidator);
        msg.recipients = _recipientInfosFromAsn1(capture.recipientInfos.value);
      }
docs: Reads an EnvelopedData content block (in ASN.1 format)
  
  @param obj the ASN.1 representation of the EnvelopedData content block.