XML Digital Signature

Overview

XML Digital Signature (XML-DSig) is a W3C standard for applying digital signatures to XML data, ensuring authenticity, integrity, and non-repudiation. It allows recipients to verify that XML documents, such as SOAP messages, financial transactions, or regulatory reports have not been altered.

XML-DSig uses asymmetric cryptography to generate and validate signatures, embedding them directly in the XML structure. In financial compliance, XML-DSig secures electronic submissions like tax filings, AML reports, and interbank messages. Regulators mandate its use in some jurisdictions for standardized secure data exchange. Institutions must manage keys and certificates carefully to avoid tampering or unauthorized modifications.

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