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

Example 11 with DERBitString

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

the class PKCS10CertificationRequest method getPublicKey.

public PublicKey getPublicKey(String provider) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException {
    SubjectPublicKeyInfo subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();
    X509EncodedKeySpec xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getBytes());
    AlgorithmIdentifier keyAlg = subjectPKInfo.getAlgorithmId();
    try {
        try {
            if (provider == null) {
                return KeyFactory.getInstance(keyAlg.getObjectId().getId()).generatePublic(xspec);
            } else {
                return KeyFactory.getInstance(keyAlg.getObjectId().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");
    }
}

Example 12 with DERBitString

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

the class NetscapeCertRequest method toASN1Object.

public DERObject toASN1Object() {
    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 13 with DERBitString

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

the class X9Curve method toASN1Object.

/**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     *  Curve ::= SEQUENCE {
     *      a               FieldElement,
     *      b               FieldElement,
     *      seed            BIT STRING      OPTIONAL
     *  }
     * </pre>
     */
public DERObject toASN1Object() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    if (fieldIdentifier.equals(prime_field)) {
        v.add(new X9FieldElement(curve.getA()).getDERObject());
        v.add(new X9FieldElement(curve.getB()).getDERObject());
    } else if (fieldIdentifier.equals(characteristic_two_field)) {
        v.add(new X9FieldElement(curve.getA()).getDERObject());
        v.add(new X9FieldElement(curve.getB()).getDERObject());
    }
    if (seed != null) {
        v.add(new DERBitString(seed));
    }
    return new DERSequence(v);
}

Example 14 with DERBitString

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

the class AndroidKeyStoreKeyPairGeneratorSpi method generateSelfSignedCertificateWithFakeSignature.

@SuppressWarnings("deprecation")
private X509Certificate generateSelfSignedCertificateWithFakeSignature(PublicKey publicKey) throws IOException, CertificateParsingException {
    V3TBSCertificateGenerator tbsGenerator = new V3TBSCertificateGenerator();
    ASN1ObjectIdentifier sigAlgOid;
    AlgorithmIdentifier sigAlgId;
    byte[] signature;
    switch(mKeymasterAlgorithm) {
        case KeymasterDefs.KM_ALGORITHM_EC:
            sigAlgOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
            sigAlgId = new AlgorithmIdentifier(sigAlgOid);
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(0));
            signature = new DERSequence().getEncoded();
            break;
        case KeymasterDefs.KM_ALGORITHM_RSA:
            sigAlgOid = PKCSObjectIdentifiers.sha256WithRSAEncryption;
            sigAlgId = new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
            signature = new byte[1];
            break;
        default:
            throw new ProviderException("Unsupported key algorithm: " + mKeymasterAlgorithm);
    }
    try (ASN1InputStream publicKeyInfoIn = new ASN1InputStream(publicKey.getEncoded())) {
        tbsGenerator.setSubjectPublicKeyInfo(SubjectPublicKeyInfo.getInstance(publicKeyInfoIn.readObject()));
    }
    tbsGenerator.setSerialNumber(new ASN1Integer(mSpec.getCertificateSerialNumber()));
    X509Principal subject = new X509Principal(mSpec.getCertificateSubject().getEncoded());
    tbsGenerator.setSubject(subject);
    tbsGenerator.setIssuer(subject);
    tbsGenerator.setStartDate(new Time(mSpec.getCertificateNotBefore()));
    tbsGenerator.setEndDate(new Time(mSpec.getCertificateNotAfter()));
    tbsGenerator.setSignature(sigAlgId);
    TBSCertificate tbsCertificate = tbsGenerator.generateTBSCertificate();
    ASN1EncodableVector result = new ASN1EncodableVector();
    result.add(tbsCertificate);
    result.add(sigAlgId);
    result.add(new DERBitString(signature));
    return new X509CertificateObject(Certificate.getInstance(new DERSequence(result)));
}

Example 15 with DERBitString

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

the class CertUtils method generateAttrStructure.

private static AttributeCertificate generateAttrStructure(AttributeCertificateInfo attrInfo, AlgorithmIdentifier sigAlgId, byte[] signature) {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(attrInfo);
    v.add(sigAlgId);
    v.add(new DERBitString(signature));
    return AttributeCertificate.getInstance(new DERSequence(v));
}