# XML Security Core Library (1.3.11)

**API Group:** `xmlsec_core`

API reference for the xmlsec core library.

## Sub-groups

- [Application Helper Functions](xmlsec_core_app.md)

- [Base64 Encode/Decode](xmlsec_core_base64.md)

- [Big Numbers](xmlsec_core_bn.md)

- [Dynamic Buffer](xmlsec_core_buffer.md)

- [Dynamic Loading](xmlsec_core_dl.md)

- [Error Reporting](xmlsec_core_errors.md)

- [Generic List](xmlsec_core_list.md)

- [I/O](xmlsec_core_io.md)

- [Key Data](xmlsec_core_keysdata.md)

- [KeyInfo Processing](xmlsec_core_keyinfo.md)

- [Keys](xmlsec_core_keys.md)

- [Keys Manager](xmlsec_core_keysmngr.md)

- [Memory Buffer Transform](xmlsec_core_membuf.md)

- [Transforms Engine](xmlsec_core_transforms.md)

- [XML Digital Signatures](xmlsec_core_xmldsig.md)

- [XML Encryption](xmlsec_core_xmlenc.md)

- [XML Node Sets](xmlsec_core_nodeset.md)

- [XML Parser](xmlsec_core_parser.md)

- [XML Security Init/Shutdown](xmlsec_core_helpers.md)

- [XML Templates](xmlsec_core_templates.md)

- [XML Tree Utilities](xmlsec_core_xmltree.md)
