/*
* Copyright ( c ) 1998 , 2014 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
import java.security.SecureRandom;
import javax.crypto.spec.SecretKeySpec;
/**
* Helper class .
*/
class Utils {
static final int KEY_SIZE = 70 ;
static final String[] MAC_ALGOS = {"HmacMD5" , "HmacSHA1" , "HmacSHA224" ,
"HmacSHA256" , "HmacSHA384" , "HmacSHA512" };
/**
* Get SecretKeySpec .
*/
static SecretKeySpec getSecretKeySpec() {
SecureRandom srdm = new SecureRandom();
byte [] keyVal = new byte [KEY_SIZE];
srdm.nextBytes(keyVal);
return new SecretKeySpec(keyVal, "HMAC" );
}
static void runTests(MacTest... tests) {
boolean success = true ;
for (MacTest test : tests) {
success &= runTest(test);
}
if (success) {
System.out.println("Test passed" );
} else {
throw new RuntimeException("Test failed" );
}
}
private static boolean runTest(MacTest test) {
boolean success = true ;
for (String alg : MAC_ALGOS) {
try {
System.out.println("Test " + alg);
test.doTest(alg);
} catch (Exception e) {
System.out.println("Unexpected exception:" );
e.printStackTrace();
success = false ;
}
}
return success;
}
}
interface MacTest {
void doTest(String alg) throws Exception;
}
Messung V0.5 in Prozent C=89 H=90 G=89
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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