1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 
24 /*
25  * @test
26  * @bug 7143872
27  * @summary Improve certificate extension processing
28  * @modules java.base/sun.security.util
29  *          java.base/sun.security.x509
30  */
31 import java.io.ByteArrayInputStream;
32 import java.math.BigInteger;
33 import java.security.KeyPairGenerator;
34 import java.security.cert.CertificateFactory;
35 import java.security.cert.X509CRLEntry;
36 import java.util.Date;
37 import sun.security.util.DerInputStream;
38 import sun.security.util.DerValue;
39 import sun.security.x509.*;
40 
41 public class OrderAndDup {
main(String[] args)42     public static void main(String[] args) throws Exception {
43 
44         // Generate 20 serial numbers with dup and a special order
45         int count = 20;
46         BigInteger[] serials = new BigInteger[count];
47         for (int i=0; i<count; i++) {
48             serials[i] = BigInteger.valueOf(i*7%10);
49         }
50 
51         // Generates a CRL
52         X509CRLEntry[] badCerts = new X509CRLEntry[count];
53         for (int i=0; i<count; i++) {
54             badCerts[i] = new X509CRLEntryImpl(serials[i],
55                     new Date(System.currentTimeMillis()+i*1000));
56         }
57         X500Name owner = new X500Name("CN=CA");
58         X509CRLImpl crl = new X509CRLImpl(owner, new Date(), new Date(), badCerts);
59         KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
60         crl.sign(kpg.genKeyPair().getPrivate(), "SHA1withRSA");
61         byte[] data = crl.getEncodedInternal();
62 
63         // Check the encoding
64         checkData(crl, data, serials);
65 
66         // Load a CRL from raw data
67         CertificateFactory cf = CertificateFactory.getInstance("X.509");
68         X509CRLImpl crl2 = (X509CRLImpl)cf.generateCRL(new ByteArrayInputStream(data));
69 
70         // Check the encoding again
71         data = crl2.getEncodedInternal();
72         checkData(crl2, data, serials);
73     }
74 
75     // Check the raw data's ASN.1 structure to see if the revoked certs
76     // have the same number and correct order as inserted
checkData(X509CRLImpl c, byte[] data, BigInteger[] expected)77     static void checkData(X509CRLImpl c, byte[] data, BigInteger[] expected)
78             throws Exception {
79         if (c.getRevokedCertificates().size() != expected.length) {
80             throw new Exception("Wrong count in CRL object, now " +
81                     c.getRevokedCertificates().size());
82         }
83         DerValue d1 = new DerValue(data);
84         // revokedCertificates at 5th place of TBSCertList
85         DerValue[] d2 = new DerInputStream(
86                 d1.data.getSequence(0)[4].toByteArray())
87                 .getSequence(0);
88         if (d2.length != expected.length) {
89             throw new Exception("Wrong count in raw data, now " + d2.length);
90         }
91         for (int i=0; i<d2.length; i++) {
92             // Serial is first in revokedCertificates entry
93             BigInteger bi = d2[i].data.getBigInteger();
94             if (!bi.equals(expected[i])) {
95                 throw new Exception("Entry at #" + i + " is " + bi
96                         + ", should be " + expected[i]);
97             }
98         }
99     }
100 }
101 
102