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:
            this.decrypt = function (data, key) {
                if (typeof key === 'undefined' && cryptoModule) {
                    var decrypted = modules.cryptoModule.decrypt(data);
                    return decrypted instanceof ArrayBuffer ? encode$1(decrypted) : decrypted;
                }
                else {
                    return crypto.decrypt(data, key);
                }
            };