diff --git a/blake.js b/src/blake.js
copy from blake.js
copy to src/blake.js
--- a/blake.js
+++ b/src/blake.js
@@ -12,7 +12,7 @@ function rrot(x,shift){
 	return ((x>>>shift)|(x<<(32-shift)))&MASK;
 }
 
-function BLAKE2S(outputLen=32,key=[]){
+export function BLAKE2S(outputLen=32,key=[]){
 	this._buffer=[];
 	this._dataLen=[0,0]; // low, high
 	this._outputLen=outputLen;
@@ -85,25 +85,8 @@ BLAKE2S.prototype._mix=function(arr,ia,i
 	arr[ia]=a; arr[ib]=b; arr[ic]=c; arr[id]=d;
 };
 
-function blake2s(data,outputLen=32,key=[]){
+export function blake2s(data,outputLen=32,key=[]){
 	let h=new BLAKE2S(outputLen,key);
 	for(let i=0;i<data.length;i+=BLOCK_LEN){h.update(data.slice(i,i+BLOCK_LEN));}
 	return h.digest();
 }
-
-function testBlake(){
-	let msg=str2utf8("abc");
-	let longMsg=str2utf8("0123456789.10.456789.20.456789.30.456789.40.456789.50.456789.60.456789.70.456789.80.456789.90.456789");
-	let key=str2utf8("zoqpiz");
-	let longKey=str2utf8("zoqpizjutyclcmkamzhhmhvchxjtefjy");
-	console.log(bytes2hex(blake2s(msg,16))=="aa4938119b1dc7b87cbad0ffd200d0ae");
-	console.log(bytes2hex(blake2s(msg,20))=="5ae3b99be29b01834c3b508521ede60438f8de17");
-	console.log(bytes2hex(blake2s(msg,28))=="0b033fc226df7abde29f67a05d3dc62cf271ef3dfea4d387407fbd55");
-	console.log(bytes2hex(blake2s(msg))=="508c5e8c327c14e2e1a72ba34eeb452f37458b209ed63a294d999b4c86675982");
-	console.log(bytes2hex(blake2s(longMsg))=="59a44e5e417d07fb382505ee7e67c23e0d476d354abc81899960bcab677beee1");
-	console.log(bytes2hex(blake2s(msg,32,key))=="0da0b6a54e8f294b60bb25c572700166ddb9d124257ff36f9f43f18b844adf9f");
-	console.log(bytes2hex(blake2s(msg,32,longKey))=="09ef85c9942bebdeb866c6ade769220fd9b851aead642017f6d59bf7e2a32037");
-	console.log(bytes2hex(blake2s([]))=="69217a3079908094e11121d042354a7c1f55b6482ca1a51e1b250dfd1ed0eef9");
-	console.log(bytes2hex(blake2s(longMsg.slice(0,64)))=="70484f89974551454d596350dda8af2aa6f0811b527549b9ecfe7adede063753");
-	console.log(bytes2hex(blake2s(longMsg.slice(0,65)))=="af14d4f74947bbde734d0e3015c667cc80676efe4349be235be8046e9e45e0ae");
-}