Digital Signature Python Packages

pyhanko

pyHanko: sign and stamp PDF files

pyhanko-certvalidator

pyHanko: sign and stamp PDF files

lightdsa

A Lightweight Digital Signature Algorithm Library for Python

fastecdsa

Python library for fast elliptic curve crypto

pyhanko-cli

pyHanko: sign and stamp PDF files

atick

ATick — unified documentation & landing site for the PDF digital-signature library (Python, Java, .NET, Node.js, PHP). Next.js.

cedula-uy-pdf-sign

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

firmauy

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

assinafy

Python SDK for the Assinafy digital signature API. A digital signature platform for Brazil.

digsig

Digital Signature Toolkit for Python

groupdocs-signature-cloud

Python SDK to communicate with the GroupDocs.Signature REST API. Add, Remove or Search for Signatures in documents.

django-zatca

A production-ready Django package for Saudi ZATCA (Fatoora) e-invoicing integration, supporting both Phase 1 (QR TLV simplified invoicing) and Phase 2 (full XML-based clearance and reporting). This package provides complete compliance with Saudi Arabia VAT e-invoicing requirements.

confirma

Python library to use Confirma digital signature service

bls-lib

A simple Python implementation of threshold BLS signatures.

signethic

Object signing and signature verification module

notarizer

Notarizer is a tool that provides a way of verifying the authenticity of docker images.

aloecrypt

A Cross Platform Post-Quantum Secure Crypto Library

signforge-verify

Verify SignForge-signed PDFs offline — W3C VC, ECDSA P-256, Merkle proofs