var Encryption = function(key, options) {
            try {
                sjcl.random.startCollectors()
            } catch (e) {}
            try {
                df()
            } catch (e) {}
            this.key = key;
            this.options = options || {};
            if (typeof this.options.numberIgnoreNonNumeric === "undefined") {
                this.options.numberIgnoreNonNumeric = true
            }
            if (typeof this.options.cvcIgnoreFornumber !== "undefined") {
                delete this.options.cvcIgnoreFornumber
            }
            if (typeof this.options.fourDigitCvcForBins === "undefined") {
                this.options.fourDigitCvcForBins = "34,37"
            }
            if (typeof this.options.cvcLengthFornumber !== "undefined") {
                delete this.options.cvcLengthFornumber
            }
            if (typeof this.options.cvcIgnoreBins === "string") {
                var binsToIgnore = [];
                this.options.cvcIgnoreBins.replace(/\d+/g, function(m) {
                    if (m.length > 0 && !isNaN(parseInt(m, 10))) {
                        binsToIgnore.push(m)
                    }
                    return m
                });
                if (binsToIgnore.length > 0) {
                    this.options.cvcIgnoreFornumber = new RegExp("^\\s*(" + binsToIgnore.join("|") + ")")
                }
            } else {
                if (typeof this.options.cvcIgnoreBins !== "undefined") {
                    delete this.options.cvcIgnoreBins
                }
            }
            if (typeof this.options.fourDigitCvcForBins === "string") {
                var cvcGroups = [];
                this.options.fourDigitCvcForBins.replace(/\d+/g, function(m) {
                    if (m.length > 0 && !isNaN(parseInt(m, 10))) {
                        cvcGroups.push(m)
                    }
                    return m
                });
                if (cvcGroups.length > 0) {
                    this.options.cvcLengthFornumber = {
                        matcher: new RegExp("^\\s*(" + cvcGroups.join("|") + ")"),
                        requiredLength: 4
                    }
                }
            }
            delete this.options.fourDigitCvcForBins;
            evLog("initializeCount")
        };