The Open Source DocuSign Alternative.
Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA
🔥 The free & Open Source DocuSign alternative
iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.
iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha
High-level cryptography interface powered by libsodium
基于区块链的符合W3C DID和Verifiable Credential规范的分布式身份解决方案
Simple signing of PDFs in node.
pyHanko: sign and stamp PDF files
A free, open-source, robust yet user-friendly, compact and cross-platform tool for OpenPGP encryption. It stands out as an exceptional GUI frontend for the modern GnuPG (gpg).
Constantine: modular, high-performance, zero-dependency cryptography stack for verifiable computation, proof systems and blockchain protocols.
SignServer – Open source, PKI-based signing software to sign code, documents, timestamps and more.
Python library for fast elliptic curve crypto
Sign and request signatures on PDFs, MS Office documents
Repositório que contém os componentes para facilitar a implementação de assinatura digital nos padrões da ICP-BRASIL
Simple and Agnostic PDF Document Parser in PHP - sign PDF docs using PHP
Resources to learn and implement authentication in your application
An implementation of BBS signatures for node and browser environments
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