Digital Signature Python Packages

pyhanko

pyHanko: sign and stamp PDF files

pyhanko-certvalidator

pyHanko: sign and stamp PDF files

fastecdsa

Python library for fast elliptic curve crypto

lightdsa

A Lightweight Digital Signature Algorithm Library for Python

pyhanko-cli

pyHanko: sign and stamp PDF files

namebump

Namebump is a registrationless, key-authenticated name registry where writes bump prior values.

cedula-uy-pdf-sign

Sign PDFs with Uruguayan national ID (cédula) via PKCS#11, generating cryptographic PDF signatures visually compatible with signatures produced by the official Uruguayan cédula software. Not affiliated with AGESIC.

digsig

Digital signature toolkit for Python

assinafy

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

confirma

Send Documents to ConFirma service

groupdocs-signature-cloud

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

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 post-quantum secure messaging library for Python

signforge-verify

Verify SignForge-signed PDFs offline — W3C VC, ECDSA P-256, Merkle proofs, JAdES JWS. Python 3.9+.