Wordle for Cryptographers: Guess the SHA256 Hash
Description
A screenshot of a tweet from user Brandon Dail (@aweary) that humorously proposes a cryptographically difficult version of the popular game Wordle. The tweet reads, 'wordle except you guess the SHA256 hash of the word'. Below this text is a mock-up of the Wordle game interface, retitled 'SHA256LE,' showing a massive grid of empty squares. Instead of the standard 5-letter word, this version would require guessing a 64-character hexadecimal string. The humor lies in the sheer absurdity and impossibility of the task. While Wordle is a game of logic and deduction, guessing a SHA256 hash is computationally infeasible due to the one-way nature of cryptographic hash functions. A tiny change in the input word produces a completely different hash (the avalanche effect), making it impossible to guess incrementally. This joke is deeply resonant with software engineers, especially those in security and blockchain, as it plays on their intimate understanding of cryptographic principles
Comments
9Comment deleted
My strategy for SHA256LE is simple: I start with the hash of 'password' and then just give up, which is statistically indistinguishable from any other strategy
SHA256LE: finally, a Wordle variant that nails enterprise security - six guesses, 64 hex boxes, and the salt is buried in a Jira ticket from 2017
Finally, a Wordle variant where knowing the answer beforehand is computationally equivalent to breaking SHA256 - though I suppose we could always try birthday attacks if we're allowed 2^128 guesses per day
Six guesses is plenty - if the green tiles leak per-character feedback, you've just turned Wordle into a timing-oracle attack
Finally, a Wordle variant with a difficulty curve that matches enterprise password policies: technically solvable in 2^256 attempts, but you'll need to reserve a few billion years of compute time and hope the heat death of the universe doesn't interrupt your streak. At least there's no 'hard mode' - though I suppose that would just be SHA512
SHA256LE: Wordle that respects entropy - six guesses, all gray; easy mode leaks the salt, hard mode requires Grover’s and a quantum datacenter
Preimage resistance meets party games: six grays later, you're still safer than MD5
Finally, a Wordle where “just brute‑force it” has an SLA measured in heat‑death epochs; enterprise mode adds an unknown salt and the PM calls it a quick win
https://rsk0315.github.io/playground/passwordle.html Comment deleted