this._mix(v,1,5,9,13,data[perm[2]],data[perm[3]]);

		this._mix(v,2,6,10,14,data[perm[4]],data[perm[5]]);

		this._mix(v,3,7,11,15,data[perm[6]],data[perm[7]]);

		this._mix(v,0,5,10,15,data[perm[8]],data[perm[9]]);

		this._mix(v,1,6,11,12,data[perm[10]],data[perm[11]]);

		this._mix(v,2,7,8,13,data[perm[12]],data[perm[13]]);

		this._mix(v,3,4,9,14,data[perm[14]],data[perm[15]]);

	}

	this._state=this._state.map((x,i)=>x^v[i]^v[i+8]);

};

BLAKE2S.prototype._mix=function(arr,ia,ib,ic,id,x,y){

	let a=arr[ia], b=arr[ib], c=arr[ic], d=arr[id];

	a=(a+b+x)&MASK; d=rrot(d^a,16);

	c=(c+d)&MASK; b=rrot(b^c,12);

	a=(a+b+y)&MASK; d=rrot(d^a,8);

	c=(c+d)&MASK; b=rrot(b^c,7);

	arr[ia]=a; arr[ib]=b; arr[ic]=c; arr[id]=d;

};

export function blake2s(data,outputLen=32,key=[]){

	let h=new BLAKE2S(outputLen,key);

	return h.digest();

}