Language: JavaScript
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:
    CryptorHeader.tryGetIdentifier = function (data) {
        if (data.byteLength < 4) {
            throw new Error('unknown cryptor error. decryption failed');
        }
        else {
            return data.toString('utf8');
        }
    };