33 best open source signature projects.

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Displaying 1 to 20 from 33 results

PiracyChecker - An Android library that prevents your app from being pirated / cracked using Google Play Licensing (LVL), APK signature protection and more

An Android library that prevents your app from being pirated / cracked using Google Play Licensing (LVL), APK signature protection and more. This library applies some techniques to help protect your app's users and attempt to thwart reverse engineers and attackers. BUT, this isn't guaranteed to stop your app from getting pirated. There is no such thing as 100% security, and a determined and skilled attacker with enough time, could remove these checks from the code. The real objective here is to raise the bar out of reach of opportunist and automatic attackers.

apk signature android-library attacker lvl apk-signature-protection verify gradle

Loki - Loki - Simple IOC and Incident Response Scanner

The Windows binary is compiled with PyInstaller 2.1 and should run as x86 application on both x86 and x64 based systems. Download the latest version of LOKI from the releases section.

yara signature scanner ioc otx antivirus hash yara-rules dfir

tweetnacl-js - Port of TweetNaCl cryptographic library to JavaScript

Port of TweetNaCl / NaCl to JavaScript for modern browsers and Node.js. Public domain.The primary goal of this project is to produce a translation of TweetNaCl to JavaScript which is as close as possible to the original C implementation, plus a thin layer of idiomatic high-level API on top of it.

crypto authentication signature elliptic-curves secretbox djb salsa20 curve25519 eddsa sha-512 tweetnacl nacl libsodium ed25519 cryptography encrypt hash key poly1305 public signatures

signature-base - Signature base for my scanner tools

The signature-base repository is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This signature-base is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICLAR PURPOSE. See the GNU General Public License for more details.

signature yara-rules ioc scanner yara anti-virus hash threat-hunting threat-intelligence dfir

jSignature - jQuery plugin for adding web signature functionality

jSignature is a jQuery plugin which simplifies creation of a signature capture field in the browser window, allowing a user to draw a signature using mouse, pen, or finger. jSignature captures signature as vector outlines of the strokes. Although jSignature can export great bitmap (PNG) too, extraction of highly scalable stroke movement coordinates (aka vector image) of the signature allows much greater flexibility of signature rendering.

jsignature signature

PDF Little Signer

PDF Little Signer is a .NET3.5 library for self signing PDF document. It's very easy to use. It uses iTextSharp.

itextsharp pdf signature

iSafePDF

iSafePDF is a PDF protection software. it allows you to encrypt PDF document, signe them using a certificate and timestamp the signature. all those features are PDF standards so your document will be readable/editable with all standard PDF programs.

pdf signature encryption esign timestamp

jose-jwt - Ultimate Javascript Object Signing and Encryption (JOSE) and JSON Web Token (JWT) Implementation for

Minimallistic zero-dependency library for generating, decoding and encryption JSON Web Tokens. Supports full suite of JSON Web Algorithms as of July 4, 2014 version. JSON parsing agnostic, can plug any desired JSON processing library. Extensively tested for compatibility with jose.4.j, Nimbus-JOSE-JWT and json-jwt libraries.v2.1 and above added extra features support for .NET461+ and coming with 3 version of binaries (NET4, NET461 and netstandard1.4).

jose jwt json jwa jwe jws fips jwt-token jwt-auth jwt-authentication encryption signature security openid oauth2 openidconnect federation netcore jwt-token-library jwt-library json-web-token

aws4 - Signs and prepares node.js (and browser) requests using AWS Signature Version 4

A small utility to sign vanilla node.js http(s) request options using Amazon's AWS Signature Version 4.Can also be used in the browser.

amazon aws signature s3 ec2 autoscaling cloudformation elasticloadbalancing elb elasticbeanstalk cloudsearch dynamodb kinesis lambda glacier sqs sns iam sts ses swf storagegateway datapipeline directconnect redshift opsworks rds monitoring cloudtrail cloudfront codedeploy elasticache elasticmapreduce elastictranscoder emr cloudwatch mobileanalytics cognitoidentity cognitosync cognito containerservice ecs appstream keymanagementservice kms config cloudhsm route53 route53domains logs

buddy-sign - High level message signing library.

buddy-sign module is dedicated to provide a high level message signing.See the documentation for more detailed information.

jwt jws jwe signature encryption

jose2go - Golang (GO) implementation of Javascript Object Signing and Encryption specification

Pure Golang (GO) library for generating, decoding and encrypting JSON Web Tokens. Zero dependency, relies only on standard library.Supports full suite of signing, encryption and compression algorithms defined by JSON Web Algorithms as of July 4, 2014 version.

jwt jose json jwa jwe jws jwt-authentication jwt-token jwt-auth openid oauth2 openidconnect federation encryption signature security jwt-token-library jwt-library json-web-token

jsontokens-js - Library for encoding, decoding, and verifying JSON Web Tokens (JWTs) in node.js

Library for encoding, decoding, and verifying JSON Web Tokens (JWTs) in node.js

jwt json web token encode decode verify ecdsa secp256k1 ec elliptic curve signature sign

node-gpg - Node.js bindings for Gnu Privacy Guard

GNU Privacy Guard (GPG) bindings for node.js supporting public key cryptography, encryption, decryption, signing and verification. This is based off of the GnuPG Made Easy (GPGME) GPG C library, see its very good documentation for more information. GNU GENERAL PUBLIC LICENSE v3, see the COPYING file in this directory.

pgp gpg gpgme cryptography encryption decryption signature verification

sigmund - Quick and dirty psychoanalysis for objects

Quick and dirty signatures for Objects.This is like a much faster deepEquals comparison, which returns a string key suitable for caches and the like.

object signature key data psychoanalysis

git-secure-tag - Secure git tag signing

git uses SHA-1 hashes when signing tag. SHA-1 is generally deprecated and is not a collision-safe anymore (though, collisions are yet to come pre-image attack is yet to come).git-secure-tag runs cat-file recursively for each entry (sorted alphabetically), enters submodules (if present), and hashes file/directory names, file contents, and submodules (recursively again) into a resulting Git-EVTag-v0-SHA512: ... SHA512 digest.

git signature secure tag sha256 gpg verify sign

sirp - Secure (interoperable) Remote Password Auth (SRP-6a)

This is a pure Ruby implementation of the Secure Remote Password protocol (SRP-6a), which is a 'zero-knowledge' mutual authentication system. SRP is an protocol that allows for mutual authentication of a client and server over an insecure network connection without revealing the password to the server or an eavesdropper. If the client lacks the user's password, or the server lacks the proper verification key, the authentication will fail. This approach is much more secure than the vast majority of authentication systems in common use since the password is never sent over the wire. The password is impossible to intercept, or to be revealed in a server breach, unless the verifier can be reversed. Since the verifier is derived from the password + salt through cryptographic one-way hash functions and Modular Exponentiation. Attacking the verifier to retrieve a password would be of similar difficulty as deriving a private encryption key from its public key. Extremely difficult, if not impossible.

srp srp-6a rubygems protocol verification signature encryption crypto cryptography security authentication auth remote password key

sphincs - Erlang NIF for SPHINCS-256: practical stateless hash-based signatures.

Authors: Alexander Færøy (ahf@0x90.dk). SPHINCS-256 is a high-security post-quantum stateless hash-based signature scheme. This repository contains the SPHINCS-256 implementation found in the SUPERCOP performance suite together with an Erlang NIF's for the SPHINCS API.

erlang-nif cryptography post-quantum signature supercop