an app that encrypts and decrypts messages using the symmetric key algorithm IDEA in OFB mode. The symmetric key is securely exchanged using Merkle-Hellman knapsack and the encrypted messages are signed using EL-GAMAL signature.
an app that encrypts and decrypts messages using the symmetric key algorithm IDEA in OFB mode. The symmetric key is securely exchanged using Merkle-Hellman knapsack and the encrypted messages are signed using EL-GAMAL signature.