Replace any non-ASCII characters in an XML document with XML numeric character references.

Verify that the public key in an X.509 certificate matches the private key.

Return default digest (hash) algorithm for the XML document type.

Extract message digest from the signature (sello) in an XML file.

Add UTF-8 byte order mark (BOM) to a file if not already present.

Get certificate data as a base64 string.

Get expiry date of the X.509 certificate in ISO time format.

Get serial number of the X.509 certificate in "special" SAT format.

Get start date of the X.509 certificate in ISO time format.

Get private key data as a base64 string suitable for a llaveCertificado element in a Cancelacion XML document

Extract attribute data from an XML file.

Insert certificate information into an XML document and output to a new file.

Insert certificate information into an XML document and output to memory.

Retrieve the last error message.

Form message digest of piped string (cadena) from an XML file.

Create the piped string (cadena) from an XML file.

Create signature as a base64 string from data in an XML file ready to be inserted as a sello node.

Save keyfile with a new password.

Query an X.509 certificate.

Modify the string returned when GetXmlAttribute(String, String, String) fails to find a match.

Sign an XML file

Sign an XML file with extended options [deprecated].

Sign XML data writing output to a byte array.

Generate a Universally Unique IDentifier (UUID) compliant with RFC 4122.

Validate an XML file against SAT specifications.

Verify the signature (sello) in an XML file.

Create PFX (PKCS-12) file in PEM format suitable for a Cancelación.

Error message returned when GetXmlAttribute(String, String, String) fails to find a match

Find version number of Comprobante element or ID number for other document types.