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/*
* @ test
* @ bug 8249783
* @ summary read very deep constructed OCTET STRING
* @ modules java . base / sun . security . util
* @ library / test / lib
*/
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import sun.security.util.DerInputStream;
import sun.security.util.DerValue;
import java.io.IOException;
public class DeepOctets {
public static void main(String[] args) throws Exception {
byte [] input = {
0 x24, 24 ,
0 x24, 8 , 4 , 2 , 'a' , 'b' , 4 , 2 , 'c' , 'd' ,
0 x24, 8 , 4 , 2 , 'e' , 'f' , 4 , 2 , 'g' , 'h' ,
4 , 2 , 'i' , 'j'
};
// DerValue::getOctetString supports constructed BER
byte [] s = new DerValue(input).getOctetString();
Asserts.assertEQ(new String(s), "abcdefghij" );
// DerInputStream::getOctetString does not
Utils.runAndCheckException(
() -> new DerInputStream(input).getOctetString(),
IOException.class );
}
}
Messung V0.5 in Prozent C=91 H=94 G=92
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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