Get the latest tech news

Deniable Encryption

I ran into an interesting Reddit comment about deniable encryption and decided to spend an evening playing with it. The concept is that we have a way to...

This also has all the usual limitations of one-time pads, you can only send data up to the size of the key, it doesn’t protect you from the text being corrupted, and it is malleable. We start by writing the actual size of the block, then the nonce and authentication tag (important for the AES-GCM usage), and then the encrypted message. Note that we also add a bit of additional space at the end, to confuse attempts to figure out values based on size (such as the BEAST attack).

Get the Android app