It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography Galois/Counter Mode, better known as GCM, is very popular way of encrypting data with AES to provide authenticated encryption with associated data (AEAD). Phew, that’s a lot of terminology. Let’s just say that AEAD is the gold standard for data encryption, and AES-GCM is one of the most popular choices—by far the m...