31 lines
714 B
JavaScript
31 lines
714 B
JavaScript
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var crypto = require('crypto');
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var random = (len = 32) => {
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var buf = crypto.randomBytes(len);
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return buf.toString("hex");
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}
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var sha256 = (str) => {
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return crypto.createHash("sha256").update(str).digest('base64');
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}
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var genPassHash = (str) => {
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var hash = random(16);
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var pass = sha256(str + hash);
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return `$${hash}$${pass}`;
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}
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var comparePass = (plain, hash) => {
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var match = hash.match(/^\$(.+?)\$(.+)$/);
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if (match == null || match.length < 3 || !match[1] || !match[2]) return false;
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var pass = sha256(plain + match[1]);
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if (pass == match[2]) return true;
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return false;
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}
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module.exports = {
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random: random,
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sha256: sha256,
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genPassHash: genPassHash,
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comparePass: comparePass
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}
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