/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/*
* @test
* @bug 4371801
* @summary check that generateCertificates() returns an empty
* Collection when the input stream contains an encoded
* PKCS #7 SignedData object with no certificates.
*/
import java.io.ByteArrayInputStream;
import java.security.cert.CertificateFactory;
import java.util.Collection;
public class GenerateCertificatesEmptyCollection {
public static void main(String[] args) throws Exception {
/*
* create an empty SignedData content type in ASN.1
* as defined in PKCS#7
*/
byte[] b = { 0x30, 0x23,
/* contentInfo ::= signedData */
0x06, 0x09, 0x2A, (byte)0x86, 0x48,
(byte)0x86, (byte)0xF7, 0x0D,
0x01, 0x07, 0x02,
0x00, 0x16,
0x30, 0x14, /* SignedData */
0x02, 0x01, 0x01, /* version */
0x31, 0x00, /* digestAlgorithms */
0x30, 0x0B, /* contentInfo ::= data */
0x06, 0x09, 0x2A, (byte)0x86, 0x48,
(byte)0x86, (byte)0xF7, 0x0D,
0x01, 0x07, 0x01,
/* certificates are absent */
0x31, 0x00 /* signerInfos */
};
CertificateFactory cf = CertificateFactory.getInstance( "X509", "SUN");
Collection c = cf.generateCertificates( new ByteArrayInputStream(b));
if (!c.isEmpty())
throw new Exception("CertificateFactory.generateCertificates() "
+ "did not return an empty Collection");
}
}