Cool article! Gray codes are used in cryptography sometimes too; the most well-known example is probably the Offset Codebook (OCB) authenticated encryption sche

Cool article! Gray codes are used in cryptography sometimes too; the most well-known example is probably the Offset Codebook (OCB) authenticated encryption scheme, which uses a Gray code to compute tweaks: http://web.cs.ucdavis.edu/~rogaway/papers/ocb-full.pdf http://web.cs.ucdavis.edu/~rogaway/papers/ocb-full.pdf