Function decrypt

speedlink/speedlink.ts:327–337

(text: string)

  const cipher = crypto.createCipheriv("aes-256-cbc", Buffer.from(ENCRYPTION_KEY), iv);
  const encrypted = Buffer.concat([cipher.update(text), cipher.final()]);
  return iv.toString("hex") + ":" + encrypted.toString("hex");
}

function decrypt(text: string): string {
  try {
    const textParts = text.split(":");
    const iv = Buffer.from(textParts.shift()!, "hex");
    const encryptedText = Buffer.from(textParts.join(":"), "hex");
    const decipher = crypto.createDecipheriv("aes-256-cbc", Buffer.from(ENCRYPTION_KEY), iv);
    return Buffer.concat([decipher.update(encryptedText), decipher.final()]).toString();
  } catch (error: any) {
    throw new Error("Failed to decrypt credentials. The key file may have been changed/deleted.");
  }
}