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hmac implementation for web crypto

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This commit is contained in:
Kyle Spearrin
2018-04-17 19:02:58 -04:00
parent 719c8aa70c
commit 81f7bd7b76
4 changed files with 54 additions and 2 deletions
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24
src/services/webCryptoFunction.service.spec.ts
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@@ -47,6 +47,21 @@ describe('WebCrypto Function Service', () => {
testHash(true, 'sha256', regular256Hash, utf8256Hash, unicode256Hash);
testHash(true, 'sha512', regular512Hash, utf8512Hash, unicode512Hash);
});
describe('hmac', () => {
const sha1Mac = '4d4c223f95dc577b665ec4ccbcb680b80a397038';
const sha256Mac = '6be3caa84922e12aaaaa2f16c40d44433bb081ef323db584eb616333ab4e874f';
const sha512Mac = '21910e341fa12106ca35758a2285374509326c9fbe0bd64e7b99c898f841dc948c58ce66d3504d8883c' +
'5ea7817a0b7c5d4d9b00364ccd214669131fc17fe4aca';
testHmac(false, 'sha1', sha1Mac);
testHmac(false, 'sha256', sha256Mac);
testHmac(false, 'sha512', sha512Mac);
testHmac(true, 'sha1', sha1Mac);
testHmac(true, 'sha256', sha256Mac);
testHmac(true, 'sha512', sha512Mac);
});
});
function testPbkdf2ValidKey(edge: boolean, algorithm: 'sha256' | 'sha512', regularKey: string,
@@ -117,6 +132,15 @@ function testHash(edge: boolean, algorithm: 'sha1' | 'sha256' | 'sha512', regula
});
}
function testHmac(edge: boolean, algorithm: 'sha1' | 'sha256' | 'sha512', mac: string) {
it('should create valid ' + algorithm + ' hmac' + (edge ? ' for edge' : ''), async () => {
const webCryptoFunctionService = getWebCryptoFunctionService(edge);
const computedMac = await webCryptoFunctionService.hmac(UtilsService.fromUtf8ToArray('SignMe!!').buffer,
UtilsService.fromUtf8ToArray('secretkey').buffer, algorithm);
expect(UtilsService.fromBufferToHex(computedMac)).toBe(mac);
});
}
function getWebCryptoFunctionService(edge = false) {
const platformUtilsService = new BrowserPlatformUtilsService(edge);
return new WebCryptoFunctionService(window, platformUtilsService);