Examples with ASN1Encodable com.android.org.bouncycastle.asn1.ASN1Encodable used on opensource projects

Example 16 with ASN1Encodable

use of com.android.org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class PublicKeyFactory method createKey.

/**
     * Create a public key from the passed in SubjectPublicKeyInfo
     * 
     * @param keyInfo the SubjectPublicKeyInfo containing the key data
     * @return the appropriate key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getAlgorithm();
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption) || algId.getAlgorithm().equals(X509ObjectIdentifiers.id_ea_rsa)) {
        RSAPublicKey pubKey = RSAPublicKey.getInstance(keyInfo.parsePublicKey());
        return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
    } else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.dhpublicnumber)) {
        DHPublicKey dhPublicKey = DHPublicKey.getInstance(keyInfo.parsePublicKey());
        BigInteger y = dhPublicKey.getY().getValue();
        DHDomainParameters dhParams = DHDomainParameters.getInstance(algId.getParameters());
        BigInteger p = dhParams.getP().getValue();
        BigInteger g = dhParams.getG().getValue();
        BigInteger q = dhParams.getQ().getValue();
        BigInteger j = null;
        if (dhParams.getJ() != null) {
            j = dhParams.getJ().getValue();
        }
        DHValidationParameters validation = null;
        DHValidationParms dhValidationParms = dhParams.getValidationParms();
        if (dhValidationParms != null) {
            byte[] seed = dhValidationParms.getSeed().getBytes();
            BigInteger pgenCounter = dhValidationParms.getPgenCounter().getValue();
            // TODO Check pgenCounter size?
            validation = new DHValidationParameters(seed, pgenCounter.intValue());
        }
        return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
    } else if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = DHParameter.getInstance(algId.getParameters());
        ASN1Integer derY = (ASN1Integer) keyInfo.parsePublicKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPublicKeyParameters(derY.getValue(), dhParams);
    } else // END android-removed
    if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa) || algId.getAlgorithm().equals(OIWObjectIdentifiers.dsaWithSHA1)) {
        ASN1Integer derY = (ASN1Integer) keyInfo.parsePublicKey();
        ASN1Encodable de = algId.getParameters();
        DSAParameters parameters = null;
        if (de != null) {
            DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
            parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
        }
        return new DSAPublicKeyParameters(derY.getValue(), parameters);
    } else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
        X962Parameters params = new X962Parameters((ASN1Primitive) algId.getParameters());
        X9ECParameters x9;
        if (params.isNamedCurve()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) params.getParameters();
            x9 = X962NamedCurves.getByOID(oid);
            if (x9 == null) {
                x9 = SECNamedCurves.getByOID(oid);
                if (x9 == null) {
                    x9 = NISTNamedCurves.getByOID(oid);
                // BEGIN android-removed
                // if (x9 == null)
                // {
                //     x9 = TeleTrusTNamedCurves.getByOID(oid);
                // }
                // END android-removed
                }
            }
        } else {
            x9 = X9ECParameters.getInstance(params.getParameters());
        }
        ASN1OctetString key = new DEROctetString(keyInfo.getPublicKeyData().getBytes());
        X9ECPoint derQ = new X9ECPoint(x9.getCurve(), key);
        // TODO We lose any named parameters here
        ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
        return new ECPublicKeyParameters(derQ.getPoint(), dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}

Example 17 with ASN1Encodable

use of com.android.org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class X509Name method equals.

/**
     * @param inOrder if true the order of both X509 names must be the same,
     * as well as the values associated with each element.
     */
public boolean equals(Object obj, boolean inOrder) {
    if (!inOrder) {
        return this.equals(obj);
    }
    if (obj == this) {
        return true;
    }
    if (!(obj instanceof X509Name || obj instanceof ASN1Sequence)) {
        return false;
    }
    ASN1Primitive derO = ((ASN1Encodable) obj).toASN1Primitive();
    if (this.toASN1Primitive().equals(derO)) {
        return true;
    }
    X509Name other;
    try {
        other = X509Name.getInstance(obj);
    } catch (IllegalArgumentException e) {
        return false;
    }
    int orderingSize = ordering.size();
    if (orderingSize != other.ordering.size()) {
        return false;
    }
    for (int i = 0; i < orderingSize; i++) {
        ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) ordering.elementAt(i);
        ASN1ObjectIdentifier oOid = (ASN1ObjectIdentifier) other.ordering.elementAt(i);
        if (oid.equals(oOid)) {
            String value = (String) values.elementAt(i);
            String oValue = (String) other.values.elementAt(i);
            if (!equivalentStrings(value, oValue)) {
                return false;
            }
        } else {
            return false;
        }
    }
    return true;
}

Example 18 with ASN1Encodable

use of com.android.org.bouncycastle.asn1.ASN1Encodable in project robovm by robovm.

the class X509V3CertificateGenerator method copyAndAddExtension.

/**
     * add a given extension field for the standard extensions tag (tag 3)
     * copying the extension value from another certificate.
     * @throws CertificateParsingException if the extension cannot be extracted.
     */
public void copyAndAddExtension(String oid, boolean critical, X509Certificate cert) throws CertificateParsingException {
    byte[] extValue = cert.getExtensionValue(oid);
    if (extValue == null) {
        throw new CertificateParsingException("extension " + oid + " not present");
    }
    try {
        ASN1Encodable value = X509ExtensionUtil.fromExtensionValue(extValue);
        this.addExtension(oid, critical, value);
    } catch (IOException e) {
        throw new CertificateParsingException(e.toString());
    }
}

Example 19 with ASN1Encodable

use of com.android.org.bouncycastle.asn1.ASN1Encodable in project XobotOS by xamarin.

the class AttributeCertificateIssuer method getNames.

private Object[] getNames() {
    GeneralNames name;
    if (form instanceof V2Form) {
        name = ((V2Form) form).getIssuerName();
    } else {
        name = (GeneralNames) form;
    }
    GeneralName[] names = name.getNames();
    List l = new ArrayList(names.length);
    for (int i = 0; i != names.length; i++) {
        if (names[i].getTagNo() == GeneralName.directoryName) {
            try {
                l.add(new X500Principal(((ASN1Encodable) names[i].getName()).getEncoded()));
            } catch (IOException e) {
                throw new RuntimeException("badly formed Name object");
            }
        }
    }
    return l.toArray(new Object[l.size()]);
}

Example 20 with ASN1Encodable

use of com.android.org.bouncycastle.asn1.ASN1Encodable in project XobotOS by xamarin.

the class X509V2AttributeCertificate method getAttributes.

public X509Attribute[] getAttributes() {
    ASN1Sequence seq = cert.getAcinfo().getAttributes();
    X509Attribute[] attrs = new X509Attribute[seq.size()];
    for (int i = 0; i != seq.size(); i++) {
        attrs[i] = new X509Attribute((ASN1Encodable) seq.getObjectAt(i));
    }
    return attrs;
}