/*
* Copyright (C)2009 - SSHJ Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.schmizz.sshj.transport.mac;
import org.bouncycastle.util.encoders.Hex;
import org.junit.Test;
import java.nio.charset.Charset;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
public class HMACSHA2512Test {
private static final Charset CHARSET = Charset.forName("US-ASCII");
private static final byte[] PLAIN_TEXT = "Hello World".getBytes(CHARSET);
private static final String EXPECTED_HMAC = "28929cffc903039ef18cbc9cea6fd5f1420763af297a470d731236ed1f5a4c61d64dfccf6529265205bec932f2f7850c8ae4de1dc1a5259dc5b1fd85d8e62c04";
@Test
public void testUpdateWithDoFinal() {
HMACSHA2512 hmac = initHmac();
hmac.update(PLAIN_TEXT);
assertThat(Hex.toHexString(hmac.doFinal()), is(EXPECTED_HMAC));
}
@Test
public void testDoFinalWithInput() {
HMACSHA2512 hmac = initHmac();
assertThat(Hex.toHexString(hmac.doFinal(PLAIN_TEXT)), is(EXPECTED_HMAC));
}
@Test
public void testUpdateWithDoFinalWithResultBuffer() {
HMACSHA2512 hmac = initHmac();
byte[] resultBuf = new byte[64];
hmac.update(PLAIN_TEXT);
hmac.doFinal(resultBuf, 0);
assertThat(Hex.toHexString(resultBuf), is(EXPECTED_HMAC));
}
private HMACSHA2512 initHmac() {
HMACSHA2512 hmac = new HMACSHA2512();
hmac.init("paishiengu1jaeTie5OoTu2eib7Kohqueicie7ahLohfoothahpeivi5weik1EiB".getBytes(CHARSET));
return hmac;
}
}