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.

Chrome extension for digital signature with PKCS#11 token.

Java command line tool for digital signature with PKCS#11 token.

A study on subliminal channels in DSA algorithm.

liboqs-java is an open source Java wrapper for the liboqs C library. The Open Quantum Safe (OQS) project provides software for prototyping quantum-resistant cryptography.

Utility class to sign files width CAdES-BES digital signature.

PDFix SDK samples for Java Maven. PDF manipulation, content extraction, conversion , accessibility and more...

RSA is a widely used algorithm for digital signatures because it provides strong security and efficient performance. Digital signatures are used to verify the authenticity of digital documents and ensure that they have not been tampered with.

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

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

I have implemented RSA in digital signature scheme using java big integer and socket programming.

Computer Security Course

Lab exercises in Computer security course about MAC and Digital signature verifications.

Protocol based digital signature for Alfresco 5

Java Encryption

Blockchain Coding - a step-by-step blockchain in Java

Secure file transfer system using encryption, decryption, and digital signatures

WS-Security Plugin for JMeter

A Java-based GUI application for encrypting/decrypting messages using the AES algorithm and signing/verifying messages using the DSA algorithm written for a class project.

The DSA-SHA algorithm is a cryptographic algorithm used for digital signatures, which is based on the SHA-1 hash function. The program includes methods to convert hexadecimal to binary and vice versa, generate message chunks, left rotate, and hash.