No changes allowed! No forgeries accepted! When you send a message, how can you be sure your message arrives unaltered? And how can you prove to the recipient that it was you that sent the message? In cryptography, we often
No changes allowed! No forgeries accepted! When you send a message, how can you be sure your message arrives unaltered? And how can you prove to the recipient that it was you that sent the message? In cryptography, we often