Created
March 27, 2018 04:59
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Proof of work in CTF-wirteup
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| cosnt crypto = require('crypto') | |
| const md5sum = str => crypto.createHash('md5').update(str).digest('hex') | |
| function PoW(target, start, end) { | |
| while (true) { | |
| let rand = Math.random().toString(36) | |
| let hash = md5sum(rand).slice(start, end) | |
| if (hash === target) return rand | |
| } | |
| } |
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