Examples with ASN1Integer org.bouncycastle.asn1.ASN1Integer used on opensource projects

Example 81 with ASN1Integer

use of org.bouncycastle.asn1.ASN1Integer in project robovm by robovm.

the class X9ECParameters method toASN1Primitive.

/**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     *  ECParameters ::= SEQUENCE {
     *      version         INTEGER { ecpVer1(1) } (ecpVer1),
     *      fieldID         FieldID {{FieldTypes}},
     *      curve           X9Curve,
     *      base            X9ECPoint,
     *      order           INTEGER,
     *      cofactor        INTEGER OPTIONAL
     *  }
     * </pre>
     */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(new ASN1Integer(1));
    v.add(fieldID);
    v.add(new X9Curve(curve, seed));
    v.add(new X9ECPoint(g));
    v.add(new ASN1Integer(n));
    if (h != null) {
        v.add(new ASN1Integer(h));
    }
    return new DERSequence(v);
}

Example 82 with ASN1Integer

use of org.bouncycastle.asn1.ASN1Integer in project robovm by robovm.

the class RSAPublicKeyStructure method toASN1Primitive.

/**
     * This outputs the key in PKCS1v2 format.
     * <pre>
     *      RSAPublicKey ::= SEQUENCE {
     *                          modulus INTEGER, -- n
     *                          publicExponent INTEGER, -- e
     *                      }
     * </pre>
     * <p>
     */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(new ASN1Integer(getModulus()));
    v.add(new ASN1Integer(getPublicExponent()));
    return new DERSequence(v);
}

Example 83 with ASN1Integer

use of org.bouncycastle.asn1.ASN1Integer in project platform_frameworks_base by android.

the class ESTHandler method unpackPkcs7.

private static List<X509Certificate> unpackPkcs7(ByteBuffer pkcs7) throws IOException, GeneralSecurityException {
    Collection<Asn1Object> pkcs7Content = Asn1Decoder.decode(pkcs7);
    if (pkcs7Content.size() != 1) {
        throw new IOException("Unexpected pkcs 7 container: " + pkcs7Content.size());
    }
    Asn1Object data = pkcs7Content.iterator().next();
    if (!data.isConstructed() || !data.matches(sSEQUENCE)) {
        throw new IOException("Expected SEQ OF, got " + data.toSimpleString());
    } else if (data.getChildren().size() != 2) {
        throw new IOException("Expected content info to have two children, got " + data.getChildren().size());
    }
    Iterator<Asn1Object> children = data.getChildren().iterator();
    Asn1Object contentType = children.next();
    if (!contentType.equals(Asn1Oid.PKCS7SignedData)) {
        throw new IOException("Content not PKCS7 signed data");
    }
    Asn1Object content = children.next();
    if (!content.isConstructed() || !content.matches(sCTXT0)) {
        throw new IOException("Expected [CONTEXT 0] with one child, got " + content.toSimpleString() + ", " + content.getChildren().size());
    }
    Asn1Object signedData = content.getChildren().iterator().next();
    Map<Integer, Asn1Object> itemMap = new HashMap<>();
    for (Asn1Object item : signedData.getChildren()) {
        if (itemMap.put(item.getTag(), item) != null && item.getTag() != Asn1Decoder.TAG_SET) {
            throw new IOException("Duplicate item in SignedData: " + item.toSimpleString());
        }
    }
    Asn1Object versionObject = itemMap.get(Asn1Decoder.TAG_INTEGER);
    if (versionObject == null || !(versionObject instanceof Asn1Integer)) {
        throw new IOException("Bad or missing PKCS7 version: " + versionObject);
    }
    int pkcs7version = (int) ((Asn1Integer) versionObject).getValue();
    Asn1Object innerContentInfo = itemMap.get(Asn1Decoder.TAG_SEQ);
    if (innerContentInfo == null || !innerContentInfo.isConstructed() || !innerContentInfo.matches(sSEQUENCE) || innerContentInfo.getChildren().size() != 1) {
        throw new IOException("Bad or missing PKCS7 contentInfo");
    }
    Asn1Object contentID = innerContentInfo.getChildren().iterator().next();
    if (pkcs7version == PKCS7DataVersion && !contentID.equals(Asn1Oid.PKCS7Data) || pkcs7version == PKCS7SignedDataVersion && !contentID.equals(Asn1Oid.PKCS7SignedData)) {
        throw new IOException("Inner PKCS7 content (" + contentID + ") not expected for version " + pkcs7version);
    }
    Asn1Object certWrapper = itemMap.get(0);
    if (certWrapper == null || !certWrapper.isConstructed() || !certWrapper.matches(sCTXT0)) {
        throw new IOException("Expected [CONTEXT 0], got: " + certWrapper);
    }
    List<X509Certificate> certList = new ArrayList<>(certWrapper.getChildren().size());
    CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
    for (Asn1Object certObject : certWrapper.getChildren()) {
        ByteBuffer certOctets = ((Asn1Constructed) certObject).getEncoding();
        if (certOctets == null) {
            throw new IOException("No cert payload in: " + certObject);
        }
        byte[] certBytes = new byte[certOctets.remaining()];
        certOctets.get(certBytes);
        certList.add((X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream(certBytes)));
    }
    return certList;
}

Example 84 with ASN1Integer

use of org.bouncycastle.asn1.ASN1Integer in project platform_frameworks_base by android.

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 85 with ASN1Integer

use of org.bouncycastle.asn1.ASN1Integer in project android_frameworks_base by DirtyUnicorns.

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)));
}