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Example 6 with X509AttributeCertificate

use of org.gudy.bouncycastle.x509.X509AttributeCertificate in project BiglyBT by BiglySoftware.

the class PEMWriter method writeObject.

public void writeObject(Object o) throws IOException {
    String type;
    byte[] encoding;
    if (o instanceof X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new IOException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new IOException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof KeyPair) {
        writeObject(((KeyPair) o).getPrivate());
        return;
    } else if (o instanceof PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
        if (o instanceof RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else if (o instanceof DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(p.getP()));
            v.add(new DERInteger(p.getQ()));
            v.add(new DERInteger(p.getG()));
            BigInteger x = ((DSAPrivateKey) o).getX();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new DERInteger(y));
            v.add(new DERInteger(x));
            encoding = new DERSequence(v).getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((PublicKey) o).getEncoded();
    } else if (o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509V2AttributeCertificate) o).getEncoded();
    } else if (o instanceof PKCS10CertificationRequest) {
        type = "CERTIFICATE REQUEST";
        encoding = ((PKCS10CertificationRequest) o).getEncoded();
    } else if (o instanceof ContentInfo) {
        type = "PKCS7";
        encoding = ((ContentInfo) o).getEncoded();
    } else {
        throw new IOException("unknown object passed - can't encode.");
    }
    writeHeader(type);
    writeEncoded(encoding);
    writeFooter(type);
}
Also used : PKCS10CertificationRequest(org.gudy.bouncycastle.jce.PKCS10CertificationRequest) X509CRL(java.security.cert.X509CRL) DSAPrivateKey(java.security.interfaces.DSAPrivateKey) RSAPrivateKey(java.security.interfaces.RSAPrivateKey) X509AttributeCertificate(org.gudy.bouncycastle.x509.X509AttributeCertificate) CertificateEncodingException(java.security.cert.CertificateEncodingException) IOException(java.io.IOException) X509V2AttributeCertificate(org.gudy.bouncycastle.x509.X509V2AttributeCertificate) X509Certificate(java.security.cert.X509Certificate) ContentInfo(org.gudy.bouncycastle.asn1.cms.ContentInfo) DSAPrivateKey(java.security.interfaces.DSAPrivateKey) BigInteger(java.math.BigInteger) DSAParameter(org.gudy.bouncycastle.asn1.x509.DSAParameter) CRLException(java.security.cert.CRLException) RSAPrivateKey(java.security.interfaces.RSAPrivateKey) PrivateKeyInfo(org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo) DSAPrivateKey(java.security.interfaces.DSAPrivateKey) RSAPrivateKey(java.security.interfaces.RSAPrivateKey) RSAPrivateCrtKey(java.security.interfaces.RSAPrivateCrtKey)

Aggregations

X509AttributeCertificate (org.bouncycastle.x509.X509AttributeCertificate)5 IOException (java.io.IOException)4 X509Certificate (java.security.cert.X509Certificate)4 BigInteger (java.math.BigInteger)3 CRLException (java.security.cert.CRLException)3 CertificateEncodingException (java.security.cert.CertificateEncodingException)3 X509CRL (java.security.cert.X509CRL)2 DSAPrivateKey (java.security.interfaces.DSAPrivateKey)2 RSAPrivateCrtKey (java.security.interfaces.RSAPrivateCrtKey)2 RSAPrivateKey (java.security.interfaces.RSAPrivateKey)2 HashSet (java.util.HashSet)2 Set (java.util.Set)2 ASN1EncodableVector (org.bouncycastle.asn1.ASN1EncodableVector)2 DERInteger (org.bouncycastle.asn1.DERInteger)2 DERSequence (org.bouncycastle.asn1.DERSequence)2 ContentInfo (org.bouncycastle.asn1.cms.ContentInfo)2 PrivateKeyInfo (org.bouncycastle.asn1.pkcs.PrivateKeyInfo)2 DSAParameter (org.bouncycastle.asn1.x509.DSAParameter)2 PemGenerationException (org.bouncycastle.util.io.pem.PemGenerationException)2 PemObject (org.bouncycastle.util.io.pem.PemObject)2