/**
* Certificate(TBSCertificate tbsCertificate, AlgorithmIdentifier signatureAlgorithm, byte[]
* signatureValue) method testing. Makes the certificate, gets its encoded form, makes new
* certificate from this encoded form by CertificateFactory, and decodes encoded form.
*/
public void testCertificate() throws Exception {
// make the TBSCertificate for Certificate
int version = 2; // v3
BigInteger serialNumber = BigInteger.valueOf(555L);
AlgorithmIdentifier signature = new AlgorithmIdentifier("1.2.3.44.555"); // random value
Name issuer = new Name("O=Certificate Issuer");
Validity validity = new Validity(new Date(100000000), new Date(200000000));
Name subject = new Name("O=Subject Organization");
SubjectPublicKeyInfo subjectPublicKeyInfo =
new SubjectPublicKeyInfo(new AlgorithmIdentifier("1.2.840.113549.1.1.2"), new byte[10]);
boolean[] issuerUniqueID =
new boolean[] {true, false, true, false, true, false, true, false}; // random value
boolean[] subjectUniqueID =
new boolean[] {false, true, false, true, false, true, false, true}; // random value
// make the Extensions for TBSCertificate
// Subject Alternative Names
GeneralName[] san =
new GeneralName[] {
new GeneralName(
new OtherName(
"1.2.3.4.5",
ASN1Integer.getInstance().encode(BigInteger.valueOf(55L).toByteArray()))),
new GeneralName(1, "*****@*****.**"),
new GeneralName(2, "dNSName"),
new GeneralName(new ORAddress()),
new GeneralName(4, "O=Organization"),
new GeneralName(new EDIPartyName("assigner", "party")),
new GeneralName(6, "http://Resource.Id"),
new GeneralName(new byte[] {1, 1, 1, 1}),
new GeneralName(8, "1.2.3.4444.55555")
};
GeneralNames sans = new GeneralNames(Arrays.asList(san));
Extension extension = new Extension("2.5.29.17", true, sans.getEncoded());
Extensions extensions = new Extensions();
extensions.addExtension(extension);
byte[] encoding = extensions.getEncoded();
Extensions.ASN1.decode(encoding);
TBSCertificate tbsCertificate =
new TBSCertificate(
version,
serialNumber,
signature,
issuer,
validity,
subject,
subjectPublicKeyInfo,
issuerUniqueID,
subjectUniqueID,
extensions);
encoding = tbsCertificate.getEncoded();
TBSCertificate.ASN1.decode(encoding);
Certificate certificate = new Certificate(tbsCertificate, signature, new byte[10]);
encoding = certificate.getEncoded();
Certificate.ASN1.decode(encoding);
encoding = Certificate.ASN1.encode(certificate);
ByteArrayInputStream bais = new ByteArrayInputStream(encoding);
// try {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
cf.generateCertificate(bais);
// } catch (CertificateException e) {
// there is no X.509 certificate factory implementation installed
// }
}
