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POHMAC SHA1 Signature in Java
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copied!<p>I am trying to interface with a TransUnion web service and I need to provide a HMAC-SHA1 signature to access it.</p> <p>This example is in the TransUnion documentation:<br/> Input of <code>SampleIntegrationOwner2008‐11‐18T19:14:40.293Z</code> with security key <code>xBy/2CLudnBJOxOtDhDRnsDYq9HTuDVr2uCs3FMzoxXEA/Od9tOuwSC70+mIfpjeG68ZGm/PrxFf/s/CzwxF4Q==</code> creates output of <code>/UhwvT/kY9HxiXaOjpIc/BarBkc=</code>.</p> <p>Given that data and key, I cannot get this same result in Java. I have tried several online calculators, and none of them return this result either. Is the example in their documentation incorrect, or am I just not handling these strings correctly?</p> <p>Here is the code I am currently working with:</p> <pre><code>public static String calcShaHash (String data, String key) { String HMAC_SHA1_ALGORITHM = "HmacSHA1"; String result = null; try { Key signingKey = new SecretKeySpec(key.getBytes(), HMAC_SHA1_ALGORITHM); Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM); mac.init(signingKey); byte[] rawHmac = mac.doFinal(data.getBytes()); result = Base64.encodeBase64String(rawHmac); } catch (Exception e) { e.printStackTrace(); } return result; } </code></pre> <p>Here is my unit test code:</p> <pre><code>@Test public void testCalcShaHash() { String data = "SampleIntegrationOwner2008-11-18T19:14:40.293Z"; String key = "xBy/2CLudnBJOxOtDhDRnsDYq9HTuDVr2uCs3FMzoxXEA/Od9tOuwSC70+mIfpjeG68ZGm/PrxFf/s/CzwxF4Q=="; String result = Utils.calcShaHash(data, key); assertEquals(result, "/UhwvT/kY9HxiXaOjpIc/BarBkc="); } </code></pre>

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