Examples of codec.x509.SubjectPublicKeyInfo

org.apache.harmony.security.x509.SubjectPublicKeyInfo
Subject Public Key Info according to RFC2459. Consists of an AlgorithmID and the corresponding public key
```
 SubjectPublicKeyInfo  ::=  SEQUENCE  { algorithm            AlgorithmIdentifier, subjectPublicKey     BIT STRING } 
```
Raw public key material embedded in this structure need not be ASN.1/DER encoded. Some crypto systems such as elliptic curve systems use specific encodings of keys. For this reason, keys can be retrieved by means of two alternative ways:
- Raw encoded keys, returned as byte arrays, and
- Raw decoded keys, returned as ASN.1 types.
Only ASN.1/DER is supported as decoding method. Keys encoded in another code must be decoded externally. Creation date: (18.08.99 15:23:09) @author Markus Tak @version "$Id: SubjectPublicKeyInfo.java,v 1.3 2004/08/16 08:53:58 pebingerExp $"

     */
    public DSAPublicKeyImpl(DSAPublicKeySpec keySpec) {


        super("DSA"); //$NON-NLS-1$


        SubjectPublicKeyInfo spki;


        BigInteger p = keySpec.getP();
        BigInteger q = keySpec.getQ();
        BigInteger g = keySpec.getG();


        ThreeIntegerSequence threeInts = new ThreeIntegerSequence(p
                .toByteArray(), q.toByteArray(), g.toByteArray());


        AlgorithmIdentifier ai = new AlgorithmIdentifier(AlgNameMapper
                .map2OID("DSA"), //$NON-NLS-1$
                threeInts.getEncoded());


        y = keySpec.getY();


        spki = new SubjectPublicKeyInfo(ai, ASN1Integer.getInstance().encode(
                y.toByteArray()));
        setEncoding(spki.getEncoded());


        params = (DSAParams) (new DSAParameterSpec(p, q, g));
    }

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        super("DSA"); //$NON-NLS-1$


        AlgorithmIdentifier ai;
        ThreeIntegerSequence threeInts = null;


        SubjectPublicKeyInfo subjectPublicKeyInfo = null;


        byte encoding[] = keySpec.getEncoded();


        String alg, algName;


        try {
            subjectPublicKeyInfo = (SubjectPublicKeyInfo) SubjectPublicKeyInfo.ASN1
                    .decode(encoding);
        } catch (IOException e) {
            throw new InvalidKeySpecException(Messages.getString(
                    "security.19A", e)); //$NON-NLS-1$
        }


        try {
            y = new BigInteger((byte[]) ASN1Integer.getInstance().decode(
                    subjectPublicKeyInfo.getSubjectPublicKey()));
        } catch (IOException e) {
            throw new InvalidKeySpecException(Messages.getString(
                    "security.19B", e)); //$NON-NLS-1$
        }


        ai = subjectPublicKeyInfo.getAlgorithmIdentifier();


        try {
            threeInts = (ThreeIntegerSequence) ThreeIntegerSequence.ASN1
                    .decode(ai.getParameters());
        } catch (IOException e) {

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     * 
     */
    public void testCertificationRequestInfo() throws IOException {
        int version = 2;// X.509 v3
        Name subject = new Name("O=subject");
        SubjectPublicKeyInfo spki = new SubjectPublicKeyInfo(
                new AlgorithmIdentifier("1.2.840.113549.1.1.2"), new byte[4]);
        List attributes = new ArrayList();
        // 1.2.840.113549.1.9.1 is OID of EMAILADDRESS
        attributes.add(new AttributeTypeAndValue("1.2.840.113549.1.9.1",
                new AttributeValue("a@b.com", false)));


        CertificationRequestInfo certReqInfo = new CertificationRequestInfo(
                version, subject, spki, attributes);


        // check what we have constructed
        assertEquals(version, certReqInfo.getVersion());
        assertEquals(subject.getName(X500Principal.RFC1779), certReqInfo
                .getSubject().getName(X500Principal.RFC1779));
        assertTrue(Arrays.equals(spki.getEncoded(), certReqInfo
                .getSubjectPublicKeyInfo().getEncoded()));
        assertEquals(attributes, certReqInfo.getAttributes());


        // decode the encoded CertificationRequestInfo 
        byte[] encoding = certReqInfo.getEncoded();

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     * 
     */
    public void testCertificationRequest() throws IOException {
        int version = 2;// v3
        Name subject = new Name("O=subject");
        SubjectPublicKeyInfo spki = new SubjectPublicKeyInfo(
                new AlgorithmIdentifier("1.2.840.113549.1.1.2"), new byte[4]);
        List attributes = new ArrayList();
        // 1.2.840.113549.1.9.1 is OID of EMAILADDRESS
        attributes.add(new AttributeTypeAndValue("1.2.840.113549.1.9.1",
                new AttributeValue("a@b.com", false)));

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        Name issuer = new Name(issuerName);
        Name subject = new Name(subjectName);
        Validity validity = 
            new Validity(new Date(notBefore), new Date(notAfter));


        SubjectPublicKeyInfo subjectPublicKeyInfo = (SubjectPublicKeyInfo) 
            SubjectPublicKeyInfo.ASN1.decode(publicKey.getEncoded());
        keyEncoding = subjectPublicKeyInfo.getEncoded();


        Extensions exts = new Extensions(Arrays.asList(extensions));
       
        TBSCertificate tbsCertificate = 
            new TBSCertificate(version, serialNumber,

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        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

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        BigInteger serialNumber = BigInteger.valueOf(555L); 
        AlgorithmIdentifier signature = new AlgorithmIdentifier("1.2.3.44.555");
        Name issuer = new Name("O=Certificate Issuer");
        Validity validity = new Validity(new Date(100000000), 
                                         new Date(200000000));
        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};
        boolean[] subjectUniqueID = new boolean[]

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                new Certificate(
                    new TBSCertificate(2, certSerialNumber1, signature, 
                        new Name(certIssuerName), 
                        new Validity(new Date(), new Date()),
                    new Name(certIssuerName), 
                    new SubjectPublicKeyInfo(signature, new byte[10]),
                    null, null, null),
                signature, new byte[10]));
            X509CertImpl cert2 = new X509CertImpl(
                new Certificate(
                    new TBSCertificate(2, certSerialNumber2, signature, 
                        new Name(certIssuerName), 
                        new Validity(new Date(), new Date()),
                    new Name(certIssuerName), 
                    new SubjectPublicKeyInfo(signature, new byte[10]),
                    null, null, null),
                signature, new byte[10]));
            X509CertImpl cert3 = new X509CertImpl(
                new Certificate(
                    new TBSCertificate(2, certSerialNumber3, signature, 
                        new Name("O=Another Cert Issuer"), 
                        new Validity(new Date(), new Date()),
                    new Name(certIssuerName), 
                    new SubjectPublicKeyInfo(signature, new byte[10]),
                    null, null, null),
                signature, new byte[10]));
            assertNull("Certificate should not be presented in CRL " 
                    + "because issuer is not the same as CRL issuer", 
                    crl.getRevokedCertificate(cert1));

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                new Certificate(
                    new TBSCertificate(2, certSerialNumber1, signature, 
                        new Name(certIssuerName), 
                        new Validity(new Date(), new Date()),
                    new Name(certIssuerName), 
                    new SubjectPublicKeyInfo(signature, new byte[10]),
                    null, null, null),
                signature, new byte[10]));
            X509CertImpl cert2 = new X509CertImpl(
                new Certificate(
                    new TBSCertificate(2, certSerialNumber2, signature, 
                        new Name(certIssuerName), 
                        new Validity(new Date(), new Date()),
                    new Name(certIssuerName), 
                    new SubjectPublicKeyInfo(signature, new byte[10]),
                    null, null, null),
                signature, new byte[10]));
            X509CertImpl cert3 = new X509CertImpl(
                new Certificate(
                    new TBSCertificate(2, certSerialNumber3, signature, 
                        new Name("O=Another Cert Issuer"), 
                        new Validity(new Date(), new Date()),
                    new Name(certIssuerName), 
                    new SubjectPublicKeyInfo(signature, new byte[10]),
                    null, null, null),
                signature, new byte[10]));
            assertFalse("Certificate should not be presented in CRL " 
                    + "because issuer is not the same as CRL issuer", 
                    crl.isRevoked(cert1));

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            throw (IOException) new IOException(
                    "Failed to generate a distinguished name. ").initCause(e);
        }


        // generate a SubjectPublicKeyInfo
        SubjectPublicKeyInfo subjectPublicKeyInfo = null;
        try {
            subjectPublicKeyInfo = (SubjectPublicKeyInfo) SubjectPublicKeyInfo.ASN1
                    .decode(publicKey.getEncoded());
        } catch (IOException e) {
            throw (IOException) new IOException(

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Related Classes of codec.x509.SubjectPublicKeyInfo

codec.asn1.ASN1BitString

codec.asn1.ASN1Boolean

codec.asn1.ASN1Choice

codec.asn1.ASN1GeneralizedTime

codec.asn1.ASN1IA5String

codec.asn1.ASN1Integer

codec.asn1.ASN1ObjectIdentifier

codec.asn1.ASN1OctetString

codec.asn1.ASN1Opaque

codec.asn1.ASN1Sequence

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