Examples with TBSCertificate org.bouncycastle.asn1.x509.TBSCertificate used on opensource projects

Example 6 with TBSCertificate

use of org.bouncycastle.asn1.x509.TBSCertificate in project android_frameworks_base by ResurrectionRemix.

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 7 with TBSCertificate

use of org.bouncycastle.asn1.x509.TBSCertificate in project android_frameworks_base by crdroidandroid.

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 8 with TBSCertificate

use of org.bouncycastle.asn1.x509.TBSCertificate in project robovm by robovm.

the class X509CertificateHolder method isSignatureValid.

/**
     * Validate the signature on the certificate in this holder.
     *
     * @param verifierProvider a ContentVerifierProvider that can generate a verifier for the signature.
     * @return true if the signature is valid, false otherwise.
     * @throws CertException if the signature cannot be processed or is inappropriate.
     */
public boolean isSignatureValid(ContentVerifierProvider verifierProvider) throws CertException {
    TBSCertificate tbsCert = x509Certificate.getTBSCertificate();
    if (!CertUtils.isAlgIdEqual(tbsCert.getSignature(), x509Certificate.getSignatureAlgorithm())) {
        throw new CertException("signature invalid - algorithm identifier mismatch");
    }
    ContentVerifier verifier;
    try {
        verifier = verifierProvider.get((tbsCert.getSignature()));
        OutputStream sOut = verifier.getOutputStream();
        DEROutputStream dOut = new DEROutputStream(sOut);
        dOut.writeObject(tbsCert);
        sOut.close();
    } catch (Exception e) {
        throw new CertException("unable to process signature: " + e.getMessage(), e);
    }
    return verifier.verify(x509Certificate.getSignature().getBytes());
}

Example 9 with TBSCertificate

use of org.bouncycastle.asn1.x509.TBSCertificate in project robovm by robovm.

the class V1TBSCertificateGenerator method generateTBSCertificate.

public TBSCertificate generateTBSCertificate() {
    if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (subject == null) || (subjectPublicKeyInfo == null)) {
        throw new IllegalStateException("not all mandatory fields set in V1 TBScertificate generator");
    }
    ASN1EncodableVector seq = new ASN1EncodableVector();
    // seq.add(version); - not required as default value.
    seq.add(serialNumber);
    seq.add(signature);
    seq.add(issuer);
    //
    // before and after dates
    //
    ASN1EncodableVector validity = new ASN1EncodableVector();
    validity.add(startDate);
    validity.add(endDate);
    seq.add(new DERSequence(validity));
    seq.add(subject);
    seq.add(subjectPublicKeyInfo);
    return TBSCertificate.getInstance(new DERSequence(seq));
}

Example 10 with TBSCertificate

use of org.bouncycastle.asn1.x509.TBSCertificate in project robovm by robovm.

the class V3TBSCertificateGenerator method generateTBSCertificate.

public TBSCertificate generateTBSCertificate() {
    if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (subject == null && !altNamePresentAndCritical) || (subjectPublicKeyInfo == null)) {
        throw new IllegalStateException("not all mandatory fields set in V3 TBScertificate generator");
    }
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(version);
    v.add(serialNumber);
    v.add(signature);
    v.add(issuer);
    //
    // before and after dates
    //
    ASN1EncodableVector validity = new ASN1EncodableVector();
    validity.add(startDate);
    validity.add(endDate);
    v.add(new DERSequence(validity));
    if (subject != null) {
        v.add(subject);
    } else {
        v.add(new DERSequence());
    }
    v.add(subjectPublicKeyInfo);
    if (issuerUniqueID != null) {
        v.add(new DERTaggedObject(false, 1, issuerUniqueID));
    }
    if (subjectUniqueID != null) {
        v.add(new DERTaggedObject(false, 2, subjectUniqueID));
    }
    if (extensions != null) {
        v.add(new DERTaggedObject(true, 3, extensions));
    }
    return TBSCertificate.getInstance(new DERSequence(v));
}