keccak unit tests

src/keccak.js

@@ -146,27 +146,26 @@ function Keccak(rate, capacity, inputBytes, delimitedSuffix, outputByteLen) {
     return new Uint8Array(output);
 }
 
-// SHAKE and SHA3 functions
-function SHAKE128(inputBytes, outputByteLen) {
-    return Keccak(1344, 256, inputBytes, 0x1f, outputByteLen);
+const keccak = {
+    // SHAKE and SHA3 functions
+    SHAKE128: (inputBytes, outputByteLen) => {
+        return Keccak(1344, 256, inputBytes, 0x1f, outputByteLen);
+    },
+    SHAKE256: (inputBytes, outputByteLen) => {
+        return Keccak(1088, 512, inputBytes, 0x1f, outputByteLen);
+    },
+    SHA3_224: (inputBytes) => {
+        return Keccak(1152, 448, inputBytes, 0x06, 224 / 8);
+    },
+    SHA3_256: (inputBytes) => {
+        return Keccak(1088, 512, inputBytes, 0x06, 256 / 8);
+    },
+    SHA3_384: (inputBytes) => {
+        return Keccak(832, 768, inputBytes, 0x06, 384 / 8);
+    },
+    SHA3_512: (inputBytes) => {
+        return Keccak(576, 1024, inputBytes, 0x06, 512 / 8);
+    }
 }
 
-function SHAKE256(inputBytes, outputByteLen) {
-    return Keccak(1088, 512, inputBytes, 0x1f, outputByteLen);
-}
-
-function SHA3_224(inputBytes) {
-    return Keccak(1152, 448, inputBytes, 0x06, 224 / 8);
-}
-
-function SHA3_256(inputBytes) {
-    return Keccak(1088, 512, inputBytes, 0x06, 256 / 8);
-}
-
-function SHA3_384(inputBytes) {
-    return Keccak(832, 768, inputBytes, 0x06, 384 / 8);
-}
-
-function SHA3_512(inputBytes) {
-    return Keccak(576, 1024, inputBytes, 0x06, 512 / 8);
-}
+module.exports = keccak;

src/stringutils.js

@@ -0,0 +1,9 @@
+const stringutils = {
+    hexToArray: (hexString) => {
+        return Uint8Array.from(Buffer.from(hexString, 'hex'));
+    },
+    arrayToHex: (hex) => {
+        return Buffer.from(hex).toString('hex');
+    }
+}
+module.exports = stringutils;