Examples with Signature com.github.zhenwei.core.asn1.ocsp.Signature used on opensource projects

Example 26 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509V3CertificateGenerator method generateJcaObject.

private X509Certificate generateJcaObject(TBSCertificate tbsCert, byte[] signature) throws Exception {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(tbsCert);
    v.add(sigAlgId);
    v.add(new DERBitString(signature));
    return (X509Certificate) certificateFactory.engineGenerateCertificate(new ByteArrayInputStream(new DERSequence(v).getEncoded(ASN1Encoding.DER)));
}

Example 27 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

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, WeGooProvider.PROVIDER_NAME);
    } catch (Exception e) {
        signature = Signature.getInstance(sigName);
    }
    checkSignature(key, signature);
}

Example 28 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509CertificateObject method toString.

public String toString() {
    StringBuffer buf = new StringBuffer();
    String nl = Strings.lineSeparator();
    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);
        }
    }
    Extensions extensions = c.getTBSCertificate().getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        if (e.hasMoreElements()) {
            buf.append("       Extensions: \n");
        }
        while (e.hasMoreElements()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
            Extension ext = extensions.getExtension(oid);
            if (ext.getExtnValue() != null) {
                byte[] octs = ext.getExtnValue().getOctets();
                ASN1InputStream dIn = new ASN1InputStream(octs);
                buf.append("                       critical(").append(ext.isCritical()).append(") ");
                try {
                    if (oid.equals(Extension.basicConstraints)) {
                        buf.append(BasicConstraints.getInstance(dIn.readObject())).append(nl);
                    } else if (oid.equals(Extension.keyUsage)) {
                        buf.append(KeyUsage.getInstance(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((ASN1IA5String) dIn.readObject())).append(nl);
                    } else if (oid.equals(MiscObjectIdentifiers.verisignCzagExtension)) {
                        buf.append(new VerisignCzagExtension((ASN1IA5String) 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.getExtnValue().getOctets()))).append(nl);
                    buf.append(" value = ").append("*****").append(nl);
                }
            } else {
                buf.append(nl);
            }
        }
    }
    return buf.toString();
}

Example 29 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

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;
    if (sigProvider != null) {
        signature = Signature.getInstance(sigName, sigProvider);
    } else {
        signature = Signature.getInstance(sigName);
    }
    checkSignature(key, signature);
}

Example 30 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509CertificateObject method getSigAlgName.

/**
 * return a more "meaningful" representation for the signature algorithm used in the certficate.
 */
public String getSigAlgName() {
    Provider prov = Security.getProvider(WeGooProvider.PROVIDER_NAME);
    if (prov != null) {
        String algName = prov.getProperty("Alg.Alias.Signature." + this.getSigAlgOID());
        if (algName != null) {
            return algName;
        }
    }
    Provider[] provs = Security.getProviders();
    // 
    for (int i = 0; i != provs.length; i++) {
        String algName = provs[i].getProperty("Alg.Alias.Signature." + this.getSigAlgOID());
        if (algName != null) {
            return algName;
        }
    }
    return this.getSigAlgOID();
}