en-crypt, de-crypt, si-gn, ve-rify - smime, pdf, xades and plain files in pure python

Python XML Signature and XAdES library

pyasice - ASiC-E (BDOC) and XAdES Manipulation Library

XML Signer Based on xmlsig, xades and OpenSSL libraries

Sign and verify PDF (PAdES), XML (XAdES) and arbitrary files (CAdES/.p7s) with the Uruguayan cédula via PKCS#11.

First public MCP server for Polish ZUS / PUE — KEDU 5.6, OK-WUD, EWD, ePUAP, browser companion. By Bartosz Gaca.

🧾 A library for signing XML documents using the XADES-BES algorithm, which follows the guidelines of the SRI of Ecuador

Read-only MCP server that brings FirmaUY signature inspection to your AI assistant. Offline, no smart card, no signing, redacted by default.

KSeF XAdES Authentication with PKCS#11 compatible private keys - Python library

Python-based XAdES-EPES signature validator for XML documents, commonly used in electronic invoicing and digital signing workflows. This tool verifies the integrity, authenticity, and certificate information of signed XML documents, helping ensure compliance with digital signature standards.

Unofficial Python SDK for the Malaysian MyInvois (LHDN) e-Invoice system