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:
  encrypt(data: ArrayBuffer | string) {
    const encrypted = (this.defaultCryptor as ICryptor).encrypt(data);
    if (!encrypted.metadata) return encrypted.data;
    const headerData = this.getHeaderData(encrypted);
    return this.concatArrayBuffer(headerData!, encrypted.data);
  }