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documenso

documenso /documenso

The Open Source DocuSign Alternative.

open-source pdf typescript signing nextjs postgresql self-hosted e-signature digital-signature esignature prisma esign pades-standard pdf-signature next-auth pdf-sign document-signing docusign-alternative

UpdatedMay 5, 2025
TypeScript

OpenSign

OpenSignLabs /OpenSign

🔥 The free & Open Source DocuSign alternative

nodejs javascript open-source mongodb reactjs self-hosted e-signature digital-signature esignature hacktoberfest electronic-signatures legaltech esign pdf-signature pdf-sign document-signing electronic-signature sign-pdf-files docusign-free docusign-alternative

UpdatedMay 5, 2025
JavaScript

nakov /Practical-Cryptography-for-Developers-Book

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

python cryptography tutorial programming aes book ecc digital-signature ecdh hmac elliptic-curves kdf hashes public-key-cryptography elliptic-curves-cryptography key-agreement asymmetric-ciphers quantum-safe-cryptography

UpdatedJun 7, 2024
CSS

itext /itext-java

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.

svg pdf security library sdk encryption accessibility archiving digital-signature documents pades fips acroform pdf-generation pdfa signature-validation xfdf pdfua pades-standard ccpa

UpdatedMay 4, 2025
Java

itext /itext-dotnet

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

svg pdf security library sdk encryption accessibility archiving digital-signature documents itextsharp pades fips acroform pdf-generation pdfa signature-validation xfdf pdfua ccpa

UpdatedMay 2, 2025
C#

paragonie /halite

High-level cryptography interface powered by libsodium

php composer cryptography encryption authentication php7 argon2 siphash libsodium ed25519 curve25519 digital-signature x25519 cryptography-library easy-to-use xsalsa20 poly1305 blake2b misuse-resistant

UpdatedMar 9, 2025
PHP

WeBankBlockchain /WeIdentity

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

identity certificate w3c blockchain distributed digital-signature data-exchange consortium kyc did privacy-protection privacy-preserving distributed-identity verifiable-credentials dpki selective-disclosure verifiable-presentation weid weidentity weid-java-sdk

UpdatedApr 18, 2025
Java

vbuch /node-signpdf

Simple signing of PDFs in node.

nodejs pdf node pkcs7 adobe digital-signature sign pades esignature esign detached-signatures ppklite

UpdatedApr 7, 2025
JavaScript

saturneric /GpgFrontend

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).

security crypto communication ecc signature gpg rsa digital-signature ecdsa ecdh openpgp encrypt decrypt signature-verification dsa encryption-decryption security-tools

UpdatedMay 2, 2025
C++

MatthiasValvekens /pyHanko

pyHanko: sign and stamp PDF files

pdf signature digital-signature pades pkcs11

UpdatedMay 3, 2025
Python

mratsim /constantine

Constantine: modular, high-performance, zero-dependency cryptography stack for verifiable computation, proof systems and blockchain protocols.

cryptography bignum digital-signature constant-time finite-fields elliptic-curves bigint galois-field public-key-cryptography bls pairing elliptic-curve-arithmetic bls-signature zkp barreto-naehrig pairing-cryptography elliptic-curve-cryptography bls12-381 side-channels hash-to-curve

UpdatedApr 3, 2025
Nim

pq-crystals /dilithium

cryptography crypto avx digital-signature post-quantum-cryptography lattice-based-crypto post-quantum module-lattices dilithium

UpdatedNov 1, 2024
C

Keyfactor /signserver-ce

SignServer – Open source, PKI-based signing software to sign code, documents, timestamps and more.

java pdf cryptography signing xml signature jar apk pkcs7 pki digital-signature xades esignature tsa tsp timestamping mrtd

UpdatedApr 28, 2025
Java

AntonKueltz /fastecdsa

Python library for fast elliptic curve crypto

python cryptography digital-signature ecdsa elliptic-curves

UpdatedJan 28, 2025
Python

pdftron-sign-app

ApryseSDK /pdftron-sign-app

Sign and request signatures on PDFs, MS Office documents

firebase digital-signature signatures esignature request-signatures pdf-signature sign-documents pdftron-sign

UpdatedJun 7, 2023
JavaScript

demoiselle /signer

Repositório que contém os componentes para facilitar a implementação de assinatura digital nos padrões da ICP-BRASIL

cryptography certificates x509 pki digital-signature timestamp icp-brasil x509certificates

UpdatedJan 10, 2025
Java

dealfonso /sapp

Simple and Agnostic PDF Document Parser in PHP - sign PDF docs using PHP

php pdf digital-signature signatures pdf-files pdf-document pdf-generation tcpdf acrobat sapp fpdi digital-signatures pdf-objects setapdf agnostic-pdf-parser multiple-signatures

UpdatedDec 19, 2024
PHP

PeculiarVentures /node-webcrypto-ossl

A WebCrypto Polyfill for Node in TypeScript built on OpenSSL.

api workflow ecc rsa hash digital-signature workflows webcrypto secp256k1

UpdatedNov 2, 2021
C++

awesome-authentication

gitcommitshow /awesome-authentication

Resources to learn and implement authentication in your application

learning jwt oauth2 authentication resources digital-signature authentication-backend authentication-strategy rfc-7519

UpdatedAug 10, 2020

mattrglobal /bbs-signatures

An implementation of BBS+ signatures for node and browser environments

cryptography wasm digital-signature assurance nucleus zero-knowledge-proofs

UpdatedFeb 24, 2025
TypeScript

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