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

Example 26 with DERBitString

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

the class BCECPublicKey method populateFromPubKeyInfo.

private void populateFromPubKeyInfo(SubjectPublicKeyInfo info) {
    X962Parameters params = new X962Parameters((ASN1Primitive) info.getAlgorithm().getParameters());
    ECCurve curve;
    EllipticCurve ellipticCurve;
    if (params.isNamedCurve()) {
        ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) params.getParameters();
        X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);
        curve = ecP.getCurve();
        ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());
        ecSpec = new ECNamedCurveSpec(ECUtil.getCurveName(oid), ellipticCurve, new ECPoint(ecP.getG().getX().toBigInteger(), ecP.getG().getY().toBigInteger()), ecP.getN(), ecP.getH());
    } else if (params.isImplicitlyCA()) {
        ecSpec = null;
        curve = configuration.getEcImplicitlyCa().getCurve();
    } else {
        X9ECParameters ecP = X9ECParameters.getInstance(params.getParameters());
        curve = ecP.getCurve();
        ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());
        this.ecSpec = new ECParameterSpec(ellipticCurve, new ECPoint(ecP.getG().getX().toBigInteger(), ecP.getG().getY().toBigInteger()), ecP.getN(), ecP.getH().intValue());
    }
    DERBitString bits = info.getPublicKeyData();
    byte[] data = bits.getBytes();
    ASN1OctetString key = new DEROctetString(data);
    //
    if (data[0] == 0x04 && data[1] == data.length - 2 && (data[2] == 0x02 || data[2] == 0x03)) {
        int qLength = new X9IntegerConverter().getByteLength(curve);
        if (qLength >= data.length - 3) {
            try {
                key = (ASN1OctetString) ASN1Primitive.fromByteArray(data);
            } catch (IOException ex) {
                throw new IllegalArgumentException("error recovering public key");
            }
        }
    }
    X9ECPoint derQ = new X9ECPoint(curve, key);
    this.q = derQ.getPoint();
}

Example 27 with DERBitString

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

the class PKCS10CertificationRequest method getPublicKey.

public PublicKey getPublicKey(String provider) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException {
    SubjectPublicKeyInfo subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();
    try {
        X509EncodedKeySpec xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getBytes());
        AlgorithmIdentifier keyAlg = subjectPKInfo.getAlgorithm();
        try {
            if (provider == null) {
                return KeyFactory.getInstance(keyAlg.getAlgorithm().getId()).generatePublic(xspec);
            } else {
                return KeyFactory.getInstance(keyAlg.getAlgorithm().getId(), provider).generatePublic(xspec);
            }
        } catch (NoSuchAlgorithmException e) {
            //
            if (keyAlgorithms.get(keyAlg.getObjectId()) != null) {
                String keyAlgorithm = (String) keyAlgorithms.get(keyAlg.getObjectId());
                if (provider == null) {
                    return KeyFactory.getInstance(keyAlgorithm).generatePublic(xspec);
                } else {
                    return KeyFactory.getInstance(keyAlgorithm, provider).generatePublic(xspec);
                }
            }
            throw e;
        }
    } catch (InvalidKeySpecException e) {
        throw new InvalidKeyException("error decoding public key");
    } catch (IOException e) {
        throw new InvalidKeyException("error decoding public key");
    }
}

Example 28 with DERBitString

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

the class NetscapeCertRequest method toASN1Primitive.

public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector spkac = new ASN1EncodableVector();
    ASN1EncodableVector pkac = new ASN1EncodableVector();
    try {
        pkac.add(getKeySpec());
    } catch (Exception e) {
    //ignore
    }
    pkac.add(new DERIA5String(challenge));
    spkac.add(new DERSequence(pkac));
    spkac.add(sigAlg);
    spkac.add(new DERBitString(sigBits));
    return new DERSequence(spkac);
}

Example 29 with DERBitString

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

the class X509CertificateObject method getSubjectUniqueID.

public boolean[] getSubjectUniqueID() {
    DERBitString id = c.getTBSCertificate().getSubjectUniqueId();
    if (id != null) {
        byte[] bytes = id.getBytes();
        boolean[] boolId = new boolean[bytes.length * 8 - id.getPadBits()];
        for (int i = 0; i != boolId.length; i++) {
            boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }
        return boolId;
    }
    return null;
}

Example 30 with DERBitString

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

the class X509V1CertificateGenerator method generateJcaObject.

private X509Certificate generateJcaObject(TBSCertificate tbsCert, byte[] signature) throws CertificateEncodingException {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(tbsCert);
    v.add(sigAlgId);
    v.add(new DERBitString(signature));
    try {
        return new X509CertificateObject(Certificate.getInstance(new DERSequence(v)));
    } catch (CertificateParsingException e) {
        throw new ExtCertificateEncodingException("exception producing certificate object", e);
    }
}