Examples with Signature org.bouncycastle.asn1.ocsp.Signature used on opensource projects

Example 21 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509CertificateObject method verify.

public final void verify(PublicKey key) throws CertificateException, NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException, SignatureException {
    Signature signature;
    String sigName = X509SignatureUtil.getSignatureName(c.getSignatureAlgorithm());
    try {
        signature = Signature.getInstance(sigName, BouncyCastleProvider.PROVIDER_NAME);
    } catch (Exception e) {
        signature = Signature.getInstance(sigName);
    }
    checkSignature(key, signature);
}

Example 22 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509CertificateObject method toString.

public String toString() {
    StringBuffer buf = new StringBuffer();
    String nl = System.getProperty("line.separator");
    buf.append("  [0]         Version: ").append(this.getVersion()).append(nl);
    buf.append("         SerialNumber: ").append(this.getSerialNumber()).append(nl);
    buf.append("             IssuerDN: ").append(this.getIssuerDN()).append(nl);
    buf.append("           Start Date: ").append(this.getNotBefore()).append(nl);
    buf.append("           Final Date: ").append(this.getNotAfter()).append(nl);
    buf.append("            SubjectDN: ").append(this.getSubjectDN()).append(nl);
    buf.append("           Public Key: ").append(this.getPublicKey()).append(nl);
    buf.append("  Signature Algorithm: ").append(this.getSigAlgName()).append(nl);
    byte[] sig = this.getSignature();
    buf.append("            Signature: ").append(new String(Hex.encode(sig, 0, 20))).append(nl);
    for (int i = 20; i < sig.length; i += 20) {
        if (i < sig.length - 20) {
            buf.append("                       ").append(new String(Hex.encode(sig, i, 20))).append(nl);
        } else {
            buf.append("                       ").append(new String(Hex.encode(sig, i, sig.length - i))).append(nl);
        }
    }
    X509Extensions extensions = c.getTBSCertificate().getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        if (e.hasMoreElements()) {
            buf.append("       Extensions: \n");
        }
        while (e.hasMoreElements()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
            X509Extension ext = extensions.getExtension(oid);
            if (ext.getValue() != null) {
                byte[] octs = ext.getValue().getOctets();
                ASN1InputStream dIn = new ASN1InputStream(octs);
                buf.append("                       critical(").append(ext.isCritical()).append(") ");
                try {
                    if (oid.equals(X509Extensions.BasicConstraints)) {
                        buf.append(new BasicConstraints((ASN1Sequence) dIn.readObject())).append(nl);
                    } else if (oid.equals(X509Extensions.KeyUsage)) {
                        buf.append(new KeyUsage((DERBitString) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.netscapeCertType)) {
                        buf.append(new NetscapeCertType((DERBitString) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.netscapeRevocationURL)) {
                        buf.append(new NetscapeRevocationURL((DERIA5String) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.verisignCzagExtension)) {
                        buf.append(new VerisignCzagExtension((DERIA5String) dIn.readObject())).append(nl);
                    } else {
                        buf.append(oid.getId());
                        buf.append(" value = ").append(ASN1Dump.dumpAsString(dIn.readObject())).append(nl);
                    //buf.append(" value = ").append("*****").append(nl);
                    }
                } catch (Exception ex) {
                    buf.append(oid.getId());
                    //     buf.append(" value = ").append(new String(Hex.encode(ext.getValue().getOctets()))).append(nl);
                    buf.append(" value = ").append("*****").append(nl);
                }
            } else {
                buf.append(nl);
            }
        }
    }
    return buf.toString();
}

Example 23 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509CertificateObject method verify.

public final void verify(PublicKey key, String sigProvider) throws CertificateException, NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException, SignatureException {
    String sigName = X509SignatureUtil.getSignatureName(c.getSignatureAlgorithm());
    Signature signature = Signature.getInstance(sigName, sigProvider);
    checkSignature(key, signature);
}

Example 24 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509V3CertificateGenerator method generateJcaObject.

private X509Certificate generateJcaObject(TBSCertificateStructure tbsCert, byte[] signature) throws CertificateParsingException {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(tbsCert);
    v.add(sigAlgId);
    v.add(new DERBitString(signature));
    return new X509CertificateObject(new X509CertificateStructure(new DERSequence(v)));
}

Example 25 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509V1CertificateGenerator method generate.

/**
     * generate an X509 certificate, based on the current issuer and subject
     * using the default provider and the passed in source of randomness
     * <p>
     * <b>Note:</b> this differs from the deprecated method in that the default provider is
     * used - not "BC".
     * </p>
     */
public X509Certificate generate(PrivateKey key, SecureRandom random) throws CertificateEncodingException, IllegalStateException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertificateStructure tbsCert = tbsGen.generateTBSCertificate();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, key, random, tbsCert);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException("exception encoding TBS cert", e);
    }
    return generateJcaObject(tbsCert, signature);
}