var e = require("crypto");

function r(e, r) {
    this.appId = e, this.sessionKey = r;
}

r.prototype.decryptData = function(r, t) {
    var a = new Buffer(this.sessionKey, "base64");
    r = new Buffer(r, "base64"), t = new Buffer(t, "base64");
    try {
        var s = e.createDecipheriv("aes-128-cbc", a, t);
        s.setAutoPadding(!0);
        var i = s.update(r, "binary", "utf8");
        i += s.final("utf8"), i = JSON.parse(i);
    } catch (e) {
        e = VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL.handleException(e);
        throw new Error("Illegal Buffer");
    }
    if (i.watermark.appid !== this.appId) throw new Error("Illegal Buffer");
    return i;
}, module.exports = r;