(function(){var c=CryptoJS,k=c.enc.Utf8;c.algo.HMAC=c.lib.Base.extend({init:function(a,b){a=this._hasher=new a.init;"string"==typeof b&&(b=k.parse(b));var c=a.blockSize,e=4*c;b.sigBytes>e&&(b=a.finalize(b));b.clamp();for(var f=this._oKey=b.clone(),g=this._iKey=b.clone(),h=f.words,j=g.words,d=0;d<c;d++)h[d]^=1549556828,j[d]^=909522486;f.sigBytes=g.sigBytes=e;this.reset()},reset:function(){var a=this._hasher;a.reset();a.update(this._iKey)},update:function(a){this._hasher.update(a);return this},finalize:function(a){var b=