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import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
public class MainClass {
public static void main(String args[]) throws Exception {
SecretKeySpec k = new SecretKeySpec("1234".getBytes(), "HMACSHA1");
Mac m = Mac.getInstance("HmacMD5");
m.init(k);
m.update("test".getBytes("UTF8"));
byte s[] = m.doFinal();
for (int i = 0; i < s.length; i++) {
System.out.print( Integer.toHexString((0x000000ff & s[i]) | 0xffffff00).substring(6));
}
}
}
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