alt Hacker NewsA 4-byte key and a 32-byte key both produce output that looks like ciphertext. Unlike most bugs, crypto bugs don't produce visible errors. That's why this one survived 12 years.
A 4-byte key and a 32-byte key both produce output that looks like ciphertext. Unlike most bugs, crypto bugs don't produce visible errors. That's why this one survived 12 years.
> Unlike most bugs, crypto bugs don't produce visible errors.
TFA mentions that AES is used in ECB mode, which is infamous for being literally visible[1]. It would be interesting to see if the circuit encoding exhibits this.
[1]: https://words.filippo.io/the-ecb-penguin/