30 lines
803 B
JavaScript
30 lines
803 B
JavaScript
// @ts-check
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const { scryptSync, createDecipheriv } = require("crypto");
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const { Buffer } = require("buffer");
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/**
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* @param {string} encryptedString
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* @returns {string | null}
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*/
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const decrypt = (encryptedString) => {
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const algorithm = "aes-192-cbc";
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const password = process.env.DSQL_ENCRYPTION_PASSWORD || "";
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const salt = process.env.DSQL_ENCRYPTION_SALT || "";
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let key = scryptSync(password, salt, 24);
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let iv = Buffer.alloc(16, 0);
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// @ts-ignore
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const decipher = createDecipheriv(algorithm, key, iv);
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try {
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let decrypted = decipher.update(encryptedString, "hex", "utf8");
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decrypted += decipher.final("utf8");
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return decrypted;
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} catch (error) {
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return null;
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}
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};
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module.exports = decrypt;
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