Base64 encode (or decode) files of any type with this lightweight tool
GMR digital signature system
HashOR is used to create 84 hashes of a string or file.
Open Source PKI solutions
GILIB Large Integer Arithmetic Library
FIDO strong authentication, encryption, digital signature engine
iOS firmware tools
Online Certificate Status Protocol with php
Cryptographic Hashing Application for CSV Files
FIDO-enabled, cloud file encryption with centralized key management.
Utility to generate and verify checksums/hashes
One-time-pad encryption using a virtual pad
One Time Pad with RNGCryptoServiceProvider
A folder sync tool with encryption
Very Simple Hash value calculater and Checksum Tool
Text encryption tool using Vigenère cipher
An encryption tool for creating file archives
more convenient one-time-pad encryption.
Simplified Architecture for Distributed Systems