A cli tool that helps signing and zip aligning single or multiple Android application packages (APKs) with either debug or provided release certificates. It supports v1, v2 and v3 Android signing scheme has an embedded debug keystore and auto verifies after signing.
An Android library that prevents your app from being pirated / cracked using Google Play Licensing (LVL), APK signature protection and more. API 14+ required.
Digital Signature Service : creation, extension and validation of advanced electronic signatures
获取Android应用基本信息的工具集
A View on which you can freely draw, customizing paint width, alpha and color, and take a screenshot of the content. Useful for note apps, signatures or free hand writing.
Simple to use OpenPGP API based on Bouncy Castle
【Android View】：好用的Android电子签名板，能保存所签名的图片
The Official Docusign Java Client Library used to interact with the eSignature REST API. Send, sign, and approve documents using this client.
A java / spring boot application to help you sign and check signed pdf documents
CLI Command line tool to digital signature of PDF files with PKCS12 certificate. You can find the executable in the releases.
Websocket based (NO APPLET) Smart Card Digital Signature Framework
Secure Multiparty Key Generation, Signature and Decryption javacard applet
auto decrypt the request ciphertext and auto bypass the signature of the API. 针对数据包加密、签名保护的安全测试场景，借助burp插件自动解密数据包密文，自动绕过接口的签名保护，最后借助密文数据天然过waf的优势结合Xray等漏扫工具完成半自动的安全测试
Java command line tool for digital signature with PKCS#11 token.
Android App for appending signatures to pdfs
Blockchain sign-transaction and Tokenview Blockchain APIs implementation in Java
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