AES-GCM and why a nonce must never repeat
AES-GCM needs a new nonce for each message. One repeat can expose the plain text and let an attacker forge messages.
10 minute read
Category
Encryption
How AES-GCM and X25519 work, and how to use them without common mistakes, with .NET programs you can run.
-
-
Key exchange in plain words, with X25519
Two sides can agree on a shared secret over an open network. X25519 does this in a few clear steps.
10 minute read