The Apache Santuario project is aimed at providing implementation of security standards for XML:
Two libraries are currently available.
The Apache Santuario team are pleased to announce the release of version 1.6.0 of the xml-security-c library. This release provides many bug fixes and a partial implementation of XML Signature 1.1 features, including ECDSA signatures.
The Apache Santuario team are pleased to announce the release of version 1.4.4 of the Java library. This release contains some enhancements to the resolver API's. It also fixes some longstanding issues with interned Strings, as well as a number of bug fixes.
Please see the changelog for more information.
See here for older news.