Examples with ASN1InputStream org.bouncycastle.asn1.ASN1InputStream used on opensource projects

Example 66 with ASN1InputStream

use of org.bouncycastle.asn1.ASN1InputStream in project robovm by robovm.

the class AuthorityKeyIdentifierStructure method fromCertificate.

private static ASN1Sequence fromCertificate(X509Certificate certificate) throws CertificateParsingException {
    try {
        if (certificate.getVersion() != 3) {
            GeneralName genName = new GeneralName(PrincipalUtil.getIssuerX509Principal(certificate));
            SubjectPublicKeyInfo info = new SubjectPublicKeyInfo((ASN1Sequence) new ASN1InputStream(certificate.getPublicKey().getEncoded()).readObject());
            return (ASN1Sequence) new AuthorityKeyIdentifier(info, new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
        } else {
            GeneralName genName = new GeneralName(PrincipalUtil.getIssuerX509Principal(certificate));
            byte[] ext = certificate.getExtensionValue(X509Extensions.SubjectKeyIdentifier.getId());
            if (ext != null) {
                ASN1OctetString str = (ASN1OctetString) X509ExtensionUtil.fromExtensionValue(ext);
                return (ASN1Sequence) new AuthorityKeyIdentifier(str.getOctets(), new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
            } else {
                SubjectPublicKeyInfo info = new SubjectPublicKeyInfo((ASN1Sequence) new ASN1InputStream(certificate.getPublicKey().getEncoded()).readObject());
                return (ASN1Sequence) new AuthorityKeyIdentifier(info, new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
            }
        }
    } catch (Exception e) {
        throw new CertificateParsingException("Exception extracting certificate details: " + e.toString());
    }
}

Example 67 with ASN1InputStream

use of org.bouncycastle.asn1.ASN1InputStream 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 68 with ASN1InputStream

use of org.bouncycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class JDKPKCS12KeyStore method engineLoad.

public void engineLoad(InputStream stream, char[] password) throws IOException {
    if (// just initialising
    stream == null) {
        return;
    }
    if (password == null) {
        throw new NullPointerException("No password supplied for PKCS#12 KeyStore.");
    }
    BufferedInputStream bufIn = new BufferedInputStream(stream);
    bufIn.mark(10);
    int head = bufIn.read();
    if (head != 0x30) {
        throw new IOException("stream does not represent a PKCS12 key store");
    }
    bufIn.reset();
    ASN1InputStream bIn = new ASN1InputStream(bufIn);
    ASN1Sequence obj = (ASN1Sequence) bIn.readObject();
    Pfx bag = new Pfx(obj);
    ContentInfo info = bag.getAuthSafe();
    Vector chain = new Vector();
    boolean unmarkedKey = false;
    boolean wrongPKCS12Zero = false;
    if (// check the mac code
    bag.getMacData() != null) {
        MacData mData = bag.getMacData();
        DigestInfo dInfo = mData.getMac();
        AlgorithmIdentifier algId = dInfo.getAlgorithmId();
        byte[] salt = mData.getSalt();
        int itCount = mData.getIterationCount().intValue();
        byte[] data = ((ASN1OctetString) info.getContent()).getOctets();
        try {
            byte[] res = calculatePbeMac(algId.getObjectId(), salt, itCount, password, false, data);
            byte[] dig = dInfo.getDigest();
            if (!Arrays.constantTimeAreEqual(res, dig)) {
                if (password.length > 0) {
                    throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                }
                // Try with incorrect zero length password
                res = calculatePbeMac(algId.getObjectId(), salt, itCount, password, true, data);
                if (!Arrays.constantTimeAreEqual(res, dig)) {
                    throw new IOException("PKCS12 key store mac invalid - wrong password or corrupted file.");
                }
                wrongPKCS12Zero = true;
            }
        } catch (IOException e) {
            throw e;
        } catch (Exception e) {
            throw new IOException("error constructing MAC: " + e.toString());
        }
    }
    keys = new IgnoresCaseHashtable();
    localIds = new Hashtable();
    if (info.getContentType().equals(data)) {
        bIn = new ASN1InputStream(((ASN1OctetString) info.getContent()).getOctets());
        AuthenticatedSafe authSafe = new AuthenticatedSafe((ASN1Sequence) bIn.readObject());
        ContentInfo[] c = authSafe.getContentInfo();
        for (int i = 0; i != c.length; i++) {
            if (c[i].getContentType().equals(data)) {
                ASN1InputStream dIn = new ASN1InputStream(((ASN1OctetString) c[i].getContent()).getOctets());
                ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
                for (int j = 0; j != seq.size(); j++) {
                    SafeBag b = new SafeBag((ASN1Sequence) seq.getObjectAt(j));
                    if (b.getBagId().equals(pkcs8ShroudedKeyBag)) {
                        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo eIn = new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo((ASN1Sequence) b.getBagValue());
                        PrivateKey privKey = unwrapKey(eIn.getEncryptionAlgorithm(), eIn.getEncryptedData(), password, wrongPKCS12Zero);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        if (b.getBagAttributes() != null) {
                            Enumeration e = b.getBagAttributes().getObjects();
                            while (e.hasMoreElements()) {
                                ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                                DERObjectIdentifier aOid = (DERObjectIdentifier) sq.getObjectAt(0);
                                ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                                DERObject attr = null;
                                if (attrSet.size() > 0) {
                                    attr = (DERObject) attrSet.getObjectAt(0);
                                    DEREncodable existing = bagAttr.getBagAttribute(aOid);
                                    if (existing != null) {
                                        // OK, but the value has to be the same
                                        if (!existing.getDERObject().equals(attr)) {
                                            throw new IOException("attempt to add existing attribute with different value");
                                        }
                                    } else {
                                        bagAttr.setBagAttribute(aOid, attr);
                                    }
                                }
                                if (aOid.equals(pkcs_9_at_friendlyName)) {
                                    alias = ((DERBMPString) attr).getString();
                                    keys.put(alias, privKey);
                                } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                    localId = (ASN1OctetString) attr;
                                }
                            }
                        }
                        if (localId != null) {
                            String name = new String(Hex.encode(localId.getOctets()));
                            if (alias == null) {
                                keys.put(name, privKey);
                            } else {
                                localIds.put(alias, name);
                            }
                        } else {
                            unmarkedKey = true;
                            keys.put("unmarked", privKey);
                        }
                    } else if (b.getBagId().equals(certBag)) {
                        chain.addElement(b);
                    } else {
                        System.out.println("extra in data " + b.getBagId());
                        System.out.println(ASN1Dump.dumpAsString(b));
                    }
                }
            } else if (c[i].getContentType().equals(encryptedData)) {
                EncryptedData d = new EncryptedData((ASN1Sequence) c[i].getContent());
                byte[] octets = cryptData(false, d.getEncryptionAlgorithm(), password, wrongPKCS12Zero, d.getContent().getOctets());
                ASN1Sequence seq = (ASN1Sequence) ASN1Object.fromByteArray(octets);
                for (int j = 0; j != seq.size(); j++) {
                    SafeBag b = new SafeBag((ASN1Sequence) seq.getObjectAt(j));
                    if (b.getBagId().equals(certBag)) {
                        chain.addElement(b);
                    } else if (b.getBagId().equals(pkcs8ShroudedKeyBag)) {
                        org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo eIn = new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo((ASN1Sequence) b.getBagValue());
                        PrivateKey privKey = unwrapKey(eIn.getEncryptionAlgorithm(), eIn.getEncryptedData(), password, wrongPKCS12Zero);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        Enumeration e = b.getBagAttributes().getObjects();
                        while (e.hasMoreElements()) {
                            ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                            DERObjectIdentifier aOid = (DERObjectIdentifier) sq.getObjectAt(0);
                            ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                            DERObject attr = null;
                            if (attrSet.size() > 0) {
                                attr = (DERObject) attrSet.getObjectAt(0);
                                DEREncodable existing = bagAttr.getBagAttribute(aOid);
                                if (existing != null) {
                                    // OK, but the value has to be the same
                                    if (!existing.getDERObject().equals(attr)) {
                                        throw new IOException("attempt to add existing attribute with different value");
                                    }
                                } else {
                                    bagAttr.setBagAttribute(aOid, attr);
                                }
                            }
                            if (aOid.equals(pkcs_9_at_friendlyName)) {
                                alias = ((DERBMPString) attr).getString();
                                keys.put(alias, privKey);
                            } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                localId = (ASN1OctetString) attr;
                            }
                        }
                        String name = new String(Hex.encode(localId.getOctets()));
                        if (alias == null) {
                            keys.put(name, privKey);
                        } else {
                            localIds.put(alias, name);
                        }
                    } else if (b.getBagId().equals(keyBag)) {
                        org.bouncycastle.asn1.pkcs.PrivateKeyInfo pIn = new org.bouncycastle.asn1.pkcs.PrivateKeyInfo((ASN1Sequence) b.getBagValue());
                        PrivateKey privKey = JDKKeyFactory.createPrivateKeyFromPrivateKeyInfo(pIn);
                        //
                        // set the attributes on the key
                        //
                        PKCS12BagAttributeCarrier bagAttr = (PKCS12BagAttributeCarrier) privKey;
                        String alias = null;
                        ASN1OctetString localId = null;
                        Enumeration e = b.getBagAttributes().getObjects();
                        while (e.hasMoreElements()) {
                            ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                            DERObjectIdentifier aOid = (DERObjectIdentifier) sq.getObjectAt(0);
                            ASN1Set attrSet = (ASN1Set) sq.getObjectAt(1);
                            DERObject attr = null;
                            if (attrSet.size() > 0) {
                                attr = (DERObject) attrSet.getObjectAt(0);
                                DEREncodable existing = bagAttr.getBagAttribute(aOid);
                                if (existing != null) {
                                    // OK, but the value has to be the same
                                    if (!existing.getDERObject().equals(attr)) {
                                        throw new IOException("attempt to add existing attribute with different value");
                                    }
                                } else {
                                    bagAttr.setBagAttribute(aOid, attr);
                                }
                            }
                            if (aOid.equals(pkcs_9_at_friendlyName)) {
                                alias = ((DERBMPString) attr).getString();
                                keys.put(alias, privKey);
                            } else if (aOid.equals(pkcs_9_at_localKeyId)) {
                                localId = (ASN1OctetString) attr;
                            }
                        }
                        String name = new String(Hex.encode(localId.getOctets()));
                        if (alias == null) {
                            keys.put(name, privKey);
                        } else {
                            localIds.put(alias, name);
                        }
                    } else {
                        System.out.println("extra in encryptedData " + b.getBagId());
                        System.out.println(ASN1Dump.dumpAsString(b));
                    }
                }
            } else {
                System.out.println("extra " + c[i].getContentType().getId());
                System.out.println("extra " + ASN1Dump.dumpAsString(c[i].getContent()));
            }
        }
    }
    certs = new IgnoresCaseHashtable();
    chainCerts = new Hashtable();
    keyCerts = new Hashtable();
    for (int i = 0; i != chain.size(); i++) {
        SafeBag b = (SafeBag) chain.elementAt(i);
        CertBag cb = new CertBag((ASN1Sequence) b.getBagValue());
        if (!cb.getCertId().equals(x509Certificate)) {
            throw new RuntimeException("Unsupported certificate type: " + cb.getCertId());
        }
        Certificate cert;
        try {
            ByteArrayInputStream cIn = new ByteArrayInputStream(((ASN1OctetString) cb.getCertValue()).getOctets());
            cert = certFact.generateCertificate(cIn);
        } catch (Exception e) {
            throw new RuntimeException(e.toString());
        }
        //
        // set the attributes
        //
        ASN1OctetString localId = null;
        String alias = null;
        if (b.getBagAttributes() != null) {
            Enumeration e = b.getBagAttributes().getObjects();
            while (e.hasMoreElements()) {
                ASN1Sequence sq = (ASN1Sequence) e.nextElement();
                DERObjectIdentifier oid = (DERObjectIdentifier) sq.getObjectAt(0);
                DERObject attr = (DERObject) ((ASN1Set) sq.getObjectAt(1)).getObjectAt(0);
                PKCS12BagAttributeCarrier bagAttr = null;
                if (cert instanceof PKCS12BagAttributeCarrier) {
                    bagAttr = (PKCS12BagAttributeCarrier) cert;
                    DEREncodable existing = bagAttr.getBagAttribute(oid);
                    if (existing != null) {
                        // OK, but the value has to be the same
                        if (!existing.getDERObject().equals(attr)) {
                            throw new IOException("attempt to add existing attribute with different value");
                        }
                    } else {
                        bagAttr.setBagAttribute(oid, attr);
                    }
                }
                if (oid.equals(pkcs_9_at_friendlyName)) {
                    alias = ((DERBMPString) attr).getString();
                } else if (oid.equals(pkcs_9_at_localKeyId)) {
                    localId = (ASN1OctetString) attr;
                }
            }
        }
        chainCerts.put(new CertId(cert.getPublicKey()), cert);
        if (unmarkedKey) {
            if (keyCerts.isEmpty()) {
                String name = new String(Hex.encode(createSubjectKeyId(cert.getPublicKey()).getKeyIdentifier()));
                keyCerts.put(name, cert);
                keys.put(name, keys.remove("unmarked"));
            }
        } else {
            //
            if (localId != null) {
                String name = new String(Hex.encode(localId.getOctets()));
                keyCerts.put(name, cert);
            }
            if (alias != null) {
                certs.put(alias, cert);
            }
        }
    }
}

Example 69 with ASN1InputStream

use of org.bouncycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class JDKX509CertificateFactory method engineGenerateCertificate.

/**
     * Generates a certificate object and initializes it with the data
     * read from the input stream inStream.
     */
public Certificate engineGenerateCertificate(InputStream in) throws CertificateException {
    if (currentStream == null) {
        currentStream = in;
        sData = null;
        sDataObjectCount = 0;
    } else if (// reset if input stream has changed
    currentStream != in) {
        currentStream = in;
        sData = null;
        sDataObjectCount = 0;
    }
    try {
        if (sData != null) {
            if (sDataObjectCount != sData.size()) {
                return getCertificate();
            } else {
                sData = null;
                sDataObjectCount = 0;
                return null;
            }
        }
        int limit = ProviderUtil.getReadLimit(in);
        PushbackInputStream pis = new PushbackInputStream(in);
        int tag = pis.read();
        if (tag == -1) {
            return null;
        }
        pis.unread(tag);
        if (// assume ascii PEM encoded.
        tag != 0x30) {
            return readPEMCertificate(pis);
        } else {
            return readDERCertificate(new ASN1InputStream(pis, limit));
        }
    } catch (Exception e) {
        throw new CertificateException(e);
    }
}

Example 70 with ASN1InputStream

use of org.bouncycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class PKCS12BagAttributeCarrierImpl method readObject.

public void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    Object obj = in.readObject();
    if (obj instanceof Hashtable) {
        this.pkcs12Attributes = (Hashtable) obj;
        this.pkcs12Ordering = (Vector) in.readObject();
    } else {
        ASN1InputStream aIn = new ASN1InputStream((byte[]) obj);
        DERObjectIdentifier oid;
        while ((oid = (DERObjectIdentifier) aIn.readObject()) != null) {
            this.setBagAttribute(oid, aIn.readObject());
        }
    }
}