Language: TypeScript
Label: safe
CWE: CWE-331 \u2014 Insufficient Entropy
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

Code:
  static isSentinel(bytes: Buffer) {
    if (bytes && bytes.byteLength >= 4) {
      if (bytes.toString('utf8') == CryptorHeader.SENTINEL) return true;
    }
  }