- Hash:
e132645f3c2072e44769b025b338b2e649e743140ad14e7fd846cf005c5f672f
Date: 25-02-2020 - Hash:
4d4814b2978635d27efb0b0eefa248f6b5514e13d26d78671c8ec9bddf3fc1cf
Date: 25-02-2020
Last active
May 25, 2020 17:31
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Proofs for ideas
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import {createHash, randomBytes} from 'crypto' | |
function sha256(...args) { | |
const hash = createHash('sha256') | |
for (const value of args) { | |
hash.update(value) | |
} | |
return hash.digest() | |
} | |
export function createProof(message) { | |
const entropy = randomBytes(32) | |
const hash = sha256(entropy, message) | |
return { | |
hash: hash.toString('hex'), | |
entropy: entropy.toString('hex'), | |
} | |
} | |
export function verifyProof({ | |
message, | |
hash, | |
entropy, | |
}) { | |
const checksum = sha256(Buffer.from(entropy, 'hex'), message) | |
return checksum.compare(Buffer.from(hash, 'hex')) === 0 | |
} |
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