keccak unit tests

.gitignore

@@ -1,5 +1,6 @@
 # Swap Files #
 .*.kate-swp
 .swp.*
+# node.js
 node_modules/
 package-lock.json

src/keccak.js

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

tests/authentication.test.js

@@ -2,7 +2,6 @@ const { subtle } = require('node:crypto').webcrypto;
 const authentication = require('../src/authentication');
 
 describe('authentication module', () => {
-    describe('verifySignature', () => {
     it('should return the public key if the signature is verified successfully', async () => {
         const { publicKey, privateKey } = await crypto.subtle.generateKey(
             {
@@ -70,4 +69,3 @@ describe('authentication module', () => {
 
     });
 });
-});

tests/keccak.test.js

@@ -0,0 +1,35 @@
+const keccak = require('../src/keccak');
+const stringutils = require('../src/stringutils');
+
+describe('keccak.js functions', () => {
+
+    // NIST SHA3 test vectors: https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/sha3/sha-3bytetestvectors.zip
+    it('SHA3_224', () => {
+        let msg = '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';
+        let hash = 'aab23c9e7fb9d7dacefdfd0b1ae85ab1374abff7c4e3f7556ecae412';
+        let hash_test = stringutils.arrayToHex(keccak.SHA3_224(stringutils.hexToArray(msg)));
+        expect(hash_test).toBe(hash);
+    });
+
+    it('SHA3_256', () => {
+        let msg = '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';
+        let hash = 'cb5648a1d61c6c5bdacd96f81c9591debc3950dcf658145b8d996570ba881a05';
+        let hash_test = stringutils.arrayToHex(keccak.SHA3_256(stringutils.hexToArray(msg)));
+        expect(hash_test).toBe(hash);
+    });
+
+    it('SHA3_384', () => {
+        let msg = '5fe35923b4e0af7dd24971812a58425519850a506dfa9b0d254795be785786c319a2567cbaa5e35bcf8fe83d943e23fa5169b73adc1fcf8b607084b15e6a013df147e46256e4e803ab75c110f77848136be7d806e8b2f868c16c3a90c14463407038cb7d9285079ef162c6a45cedf9c9f066375c969b5fcbcda37f02aacff4f31cded3767570885426bebd9eca877e44674e9ae2f0c24cdd0e7e1aaf1ff2fe7f80a1c4f5078eb34cd4f06fa94a2d1eab5806ca43fd0f06c60b63d5402b95c70c21ea65a151c5cfaf8262a46be3c722264b';
+        let hash = '3054d249f916a6039b2a9c3ebec1418791a0608a170e6d36486035e5f92635eaba98072a85373cb54e2ae3f982ce132b'
+        let hash_test = stringutils.arrayToHex(keccak.SHA3_384(stringutils.hexToArray(msg)));
+        expect(hash_test).toBe(hash);
+    });
+
+    it('SHA3_512', () => {
+        let msg = '664ef2e3a7059daf1c58caf52008c5227e85cdcb83b4c59457f02c508d4f4f69f826bd82c0cffc5cb6a97af6e561c6f96970005285e58f21ef6511d26e709889a7e513c434c90a3cf7448f0caeec7114c747b2a0758a3b4503a7cf0c69873ed31d94dbef2b7b2f168830ef7da3322c3d3e10cafb7c2c33c83bbf4c46a31da90cff3bfd4ccc6ed4b310758491eeba603a76';
+        let hash = 'e5825ff1a3c070d5a52fbbe711854a440554295ffb7a7969a17908d10163bfbe8f1d52a676e8a0137b56a11cdf0ffbb456bc899fc727d14bd8882232549d914e';
+        let hash_test = stringutils.arrayToHex(keccak.SHA3_512(stringutils.hexToArray(msg)));
+        expect(hash_test).toBe(hash);
+    });
+
+});