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Example 6 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project XobotOS by xamarin.

the class PrivateKeyFactory method createKey.

/**
     * Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
     * 
     * @param keyInfo the PrivateKeyInfo object containing the key material
     * @return a suitable private key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getAlgorithmId();
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
        RSAPrivateKeyStructure keyStructure = new RSAPrivateKeyStructure((ASN1Sequence) keyInfo.getPrivateKey());
        return new RSAPrivateCrtKeyParameters(keyStructure.getModulus(), keyStructure.getPublicExponent(), keyStructure.getPrivateExponent(), keyStructure.getPrime1(), keyStructure.getPrime2(), keyStructure.getExponent1(), keyStructure.getExponent2(), keyStructure.getCoefficient());
    } else //      else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
    if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = new DHParameter((ASN1Sequence) keyInfo.getAlgorithmId().getParameters());
        DERInteger derX = (DERInteger) keyInfo.getPrivateKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPrivateKeyParameters(derX.getValue(), dhParams);
    } else // END android-removed
    if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa)) {
        DERInteger derX = (DERInteger) keyInfo.getPrivateKey();
        DEREncodable de = keyInfo.getAlgorithmId().getParameters();
        DSAParameters parameters = null;
        if (de != null) {
            DSAParameter params = DSAParameter.getInstance(de.getDERObject());
            parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
        }
        return new DSAPrivateKeyParameters(derX.getValue(), parameters);
    } else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
        X962Parameters params = new X962Parameters((DERObject) keyInfo.getAlgorithmId().getParameters());
        ECDomainParameters dParams = null;
        if (params.isNamedCurve()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) params.getParameters();
            X9ECParameters ecP = X962NamedCurves.getByOID(oid);
            if (ecP == null) {
                ecP = SECNamedCurves.getByOID(oid);
                if (ecP == null) {
                    ecP = NISTNamedCurves.getByOID(oid);
                // BEGIN android-removed
                // if (ecP == null)
                // {
                //     ecP = TeleTrusTNamedCurves.getByOID(oid);
                // }
                // END android-removed
                }
            }
            dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
        } else {
            X9ECParameters ecP = new X9ECParameters((ASN1Sequence) params.getParameters());
            dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
        }
        ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence) keyInfo.getPrivateKey());
        return new ECPrivateKeyParameters(ec.getKey(), dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}
Also used : ECDomainParameters(org.bouncycastle.crypto.params.ECDomainParameters) DHParameters(org.bouncycastle.crypto.params.DHParameters) DHPrivateKeyParameters(org.bouncycastle.crypto.params.DHPrivateKeyParameters) X9ECParameters(org.bouncycastle.asn1.x9.X9ECParameters) ECPrivateKeyStructure(org.bouncycastle.asn1.sec.ECPrivateKeyStructure) DERObjectIdentifier(org.bouncycastle.asn1.DERObjectIdentifier) AlgorithmIdentifier(org.bouncycastle.asn1.x509.AlgorithmIdentifier) DERInteger(org.bouncycastle.asn1.DERInteger) X962Parameters(org.bouncycastle.asn1.x9.X962Parameters) ECPrivateKeyParameters(org.bouncycastle.crypto.params.ECPrivateKeyParameters) ASN1Sequence(org.bouncycastle.asn1.ASN1Sequence) DERObject(org.bouncycastle.asn1.DERObject) RSAPrivateKeyStructure(org.bouncycastle.asn1.pkcs.RSAPrivateKeyStructure) DEREncodable(org.bouncycastle.asn1.DEREncodable) DSAPrivateKeyParameters(org.bouncycastle.crypto.params.DSAPrivateKeyParameters) BigInteger(java.math.BigInteger) DSAParameter(org.bouncycastle.asn1.x509.DSAParameter) DHParameter(org.bouncycastle.asn1.pkcs.DHParameter) DSAParameters(org.bouncycastle.crypto.params.DSAParameters) RSAPrivateCrtKeyParameters(org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters)

Example 7 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier 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");
    }
}
Also used : X509EncodedKeySpec(java.security.spec.X509EncodedKeySpec) DERBitString(org.bouncycastle.asn1.DERBitString) NoSuchAlgorithmException(java.security.NoSuchAlgorithmException) DERBitString(org.bouncycastle.asn1.DERBitString) InvalidKeySpecException(java.security.spec.InvalidKeySpecException) InvalidKeyException(java.security.InvalidKeyException) SubjectPublicKeyInfo(org.bouncycastle.asn1.x509.SubjectPublicKeyInfo) AlgorithmIdentifier(org.bouncycastle.asn1.x509.AlgorithmIdentifier)

Example 8 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project XobotOS by xamarin.

the class CertPathValidatorUtilities method getAlgorithmIdentifier.

protected static AlgorithmIdentifier getAlgorithmIdentifier(PublicKey key) throws CertPathValidatorException {
    try {
        ASN1InputStream aIn = new ASN1InputStream(key.getEncoded());
        SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(aIn.readObject());
        return info.getAlgorithmId();
    } catch (Exception e) {
        throw new ExtCertPathValidatorException("Subject public key cannot be decoded.", e);
    }
}
Also used : ASN1InputStream(org.bouncycastle.asn1.ASN1InputStream) ExtCertPathValidatorException(org.bouncycastle.jce.exception.ExtCertPathValidatorException) SubjectPublicKeyInfo(org.bouncycastle.asn1.x509.SubjectPublicKeyInfo) GeneralSecurityException(java.security.GeneralSecurityException) CertPathValidatorException(java.security.cert.CertPathValidatorException) ParseException(java.text.ParseException) ExtCertPathValidatorException(org.bouncycastle.jce.exception.ExtCertPathValidatorException) CertStoreException(java.security.cert.CertStoreException) CertificateParsingException(java.security.cert.CertificateParsingException) StoreException(org.bouncycastle.util.StoreException) IOException(java.io.IOException)

Example 9 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier 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)));
}
Also used : ASN1InputStream(com.android.org.bouncycastle.asn1.ASN1InputStream) ProviderException(java.security.ProviderException) Time(com.android.org.bouncycastle.asn1.x509.Time) DERBitString(com.android.org.bouncycastle.asn1.DERBitString) ASN1Integer(com.android.org.bouncycastle.asn1.ASN1Integer) AlgorithmIdentifier(com.android.org.bouncycastle.asn1.x509.AlgorithmIdentifier) DERInteger(com.android.org.bouncycastle.asn1.DERInteger) DERSequence(com.android.org.bouncycastle.asn1.DERSequence) X509CertificateObject(com.android.org.bouncycastle.jce.provider.X509CertificateObject) X509Principal(com.android.org.bouncycastle.jce.X509Principal) ASN1EncodableVector(com.android.org.bouncycastle.asn1.ASN1EncodableVector) V3TBSCertificateGenerator(com.android.org.bouncycastle.asn1.x509.V3TBSCertificateGenerator) TBSCertificate(com.android.org.bouncycastle.asn1.x509.TBSCertificate) ASN1ObjectIdentifier(com.android.org.bouncycastle.asn1.ASN1ObjectIdentifier)

Example 10 with AlgorithmIdentifier

use of org.spongycastle.asn1.x509.AlgorithmIdentifier in project robovm by robovm.

the class PrivateKeyFactory method createKey.

/**
     * Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
     * 
     * @param keyInfo the PrivateKeyInfo object containing the key material
     * @return a suitable private key parameter
     * @throws IOException on an error decoding the key
     */
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
    AlgorithmIdentifier algId = keyInfo.getPrivateKeyAlgorithm();
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
        RSAPrivateKey keyStructure = RSAPrivateKey.getInstance(keyInfo.parsePrivateKey());
        return new RSAPrivateCrtKeyParameters(keyStructure.getModulus(), keyStructure.getPublicExponent(), keyStructure.getPrivateExponent(), keyStructure.getPrime1(), keyStructure.getPrime2(), keyStructure.getExponent1(), keyStructure.getExponent2(), keyStructure.getCoefficient());
    } else //      else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
    if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
        DHParameter params = DHParameter.getInstance(algId.getParameters());
        ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
        BigInteger lVal = params.getL();
        int l = lVal == null ? 0 : lVal.intValue();
        DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
        return new DHPrivateKeyParameters(derX.getValue(), dhParams);
    } else // END android-removed
    if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa)) {
        ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
        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 DSAPrivateKeyParameters(derX.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.getInstance(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());
        }
        ECPrivateKey ec = ECPrivateKey.getInstance(keyInfo.parsePrivateKey());
        BigInteger d = ec.getKey();
        // TODO We lose any named parameters here
        ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
        return new ECPrivateKeyParameters(d, dParams);
    } else {
        throw new RuntimeException("algorithm identifier in key not recognised");
    }
}
Also used : ECPrivateKey(org.bouncycastle.asn1.sec.ECPrivateKey) ECDomainParameters(org.bouncycastle.crypto.params.ECDomainParameters) DHParameters(org.bouncycastle.crypto.params.DHParameters) DHPrivateKeyParameters(org.bouncycastle.crypto.params.DHPrivateKeyParameters) X9ECParameters(org.bouncycastle.asn1.x9.X9ECParameters) ASN1Integer(org.bouncycastle.asn1.ASN1Integer) AlgorithmIdentifier(org.bouncycastle.asn1.x509.AlgorithmIdentifier) X962Parameters(org.bouncycastle.asn1.x9.X962Parameters) ECPrivateKeyParameters(org.bouncycastle.crypto.params.ECPrivateKeyParameters) DSAPrivateKeyParameters(org.bouncycastle.crypto.params.DSAPrivateKeyParameters) BigInteger(java.math.BigInteger) ASN1Encodable(org.bouncycastle.asn1.ASN1Encodable) DSAParameter(org.bouncycastle.asn1.x509.DSAParameter) RSAPrivateKey(org.bouncycastle.asn1.pkcs.RSAPrivateKey) DHParameter(org.bouncycastle.asn1.pkcs.DHParameter) DSAParameters(org.bouncycastle.crypto.params.DSAParameters) ASN1Primitive(org.bouncycastle.asn1.ASN1Primitive) ASN1ObjectIdentifier(org.bouncycastle.asn1.ASN1ObjectIdentifier) RSAPrivateCrtKeyParameters(org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters)

Aggregations

AlgorithmIdentifier (org.bouncycastle.asn1.x509.AlgorithmIdentifier)114 IOException (java.io.IOException)47 ASN1ObjectIdentifier (org.bouncycastle.asn1.ASN1ObjectIdentifier)36 SubjectPublicKeyInfo (org.bouncycastle.asn1.x509.SubjectPublicKeyInfo)35 NoSuchAlgorithmException (java.security.NoSuchAlgorithmException)32 BigInteger (java.math.BigInteger)29 X509Certificate (java.security.cert.X509Certificate)27 X500Name (org.bouncycastle.asn1.x500.X500Name)27 DEROctetString (org.bouncycastle.asn1.DEROctetString)21 ASN1EncodableVector (org.bouncycastle.asn1.ASN1EncodableVector)20 KeyPair (java.security.KeyPair)19 ASN1OctetString (org.bouncycastle.asn1.ASN1OctetString)19 ASN1Sequence (org.bouncycastle.asn1.ASN1Sequence)19 Date (java.util.Date)18 ASN1Encodable (org.bouncycastle.asn1.ASN1Encodable)18 ASN1Integer (org.bouncycastle.asn1.ASN1Integer)17 DERSequence (org.bouncycastle.asn1.DERSequence)16 KeyPairGenerator (java.security.KeyPairGenerator)15 PublicKey (java.security.PublicKey)14 ContentSigner (org.bouncycastle.operator.ContentSigner)14