Examples with RSAPublicKey java.security.interfaces.RSAPublicKey used on opensource projects

Example 51 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project remusic by aa112901.

the class RSAUtils method getPublicKey.

/**
 * 使用模和指数生成RSA公钥
 * 注意：【此代码用了默认补位方式，为RSA/None/PKCS1Padding，不同JDK默认的补位方式可能不同，如Android默认是RSA
 * /None/NoPadding】
 *
 * @param modulus  模
 * @param exponent 指数
 * @return
 */
public static RSAPublicKey getPublicKey(String modulus, String exponent) {
    try {
        BigInteger b1 = new BigInteger(modulus);
        BigInteger b2 = new BigInteger(exponent);
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        RSAPublicKeySpec keySpec = new RSAPublicKeySpec(b1, b2);
        return (RSAPublicKey) keyFactory.generatePublic(keySpec);
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

Example 52 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project javautils by jiadongpo.

the class RSAUtils method initKey.

/**
 * 初始化密钥
 * @return
 * @throws Exception
 */
public static Map<String, Object> initKey() throws Exception {
    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    byte[] encodedKey = input2byte(RSAUtils.class.getResourceAsStream("private_key.pem"));
    RSAPrivateKey privateKey = (RSAPrivateKey) keyFactory.generatePrivate(new PKCS8EncodedKeySpec(Base64Utils.decode(new String(encodedKey))));
    // byte[] encodedKey2 = input2byte(RSAUtils.class.getResourceAsStream("rsa_public_key.pem"));
    // KeySpec keySpec =  new  X509EncodedKeySpec(Base64Utils.decode(new String(encodedKey2)));
    // RSAPublicKey publicKey = (RSAPublicKey) keyFactory.generatePublic(keySpec);
    CertificateFactory certificatefactory = CertificateFactory.getInstance("X.509");
    InputStream input = RSAUtils.class.getResourceAsStream("rsa_public_key.pem.crt");
    X509Certificate Cert = (X509Certificate) certificatefactory.generateCertificate(input);
    RSAPublicKey publicKey = (RSAPublicKey) Cert.getPublicKey();
    // KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KEY_ALGORTHM);
    // keyPairGenerator.initialize(1024);
    // KeyPair keyPair = keyPairGenerator.generateKeyPair();
    // 公钥
    // RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
    // 私钥
    // RSAPrivateKey privateKey =  (RSAPrivateKey) keyPair.getPrivate();
    Map<String, Object> keyMap = new HashMap<String, Object>(2);
    keyMap.put(PUBLIC_KEY, publicKey);
    keyMap.put(PRIVATE_KEY, privateKey);
    return keyMap;
}

Example 53 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project keystore-explorer by kaikramer.

the class DProperties method createPublicKeyNodes.

private void createPublicKeyNodes(DefaultMutableTreeNode parentNode, PublicKey publicKey) throws CryptoException {
    DefaultMutableTreeNode publicKeyNode = new DefaultMutableTreeNode(res.getString("DProperties.properties.PublicKey"));
    parentNode.add(publicKeyNode);
    KeyInfo keyInfo = KeyPairUtil.getKeyInfo(publicKey);
    String keyAlg = keyInfo.getAlgorithm();
    publicKeyNode.add(new DefaultMutableTreeNode(MessageFormat.format(res.getString("DProperties.properties.Algorithm"), keyAlg)));
    Integer keySize = keyInfo.getSize();
    if (keySize != null) {
        publicKeyNode.add(new DefaultMutableTreeNode(MessageFormat.format(res.getString("DProperties.properties.KeySize"), "" + keyInfo.getSize())));
    } else {
        publicKeyNode.add(new DefaultMutableTreeNode(MessageFormat.format(res.getString("DProperties.properties.KeySize"), "?")));
    }
    String keyFormat = publicKey.getFormat();
    publicKeyNode.add(new DefaultMutableTreeNode(MessageFormat.format(res.getString("DProperties.properties.Format"), keyFormat)));
    String keyEncoded = "0x" + new BigInteger(1, publicKey.getEncoded()).toString(16).toUpperCase();
    publicKeyNode.add(new DefaultMutableTreeNode(MessageFormat.format(res.getString("DProperties.properties.Encoded"), keyEncoded)));
    if (publicKey instanceof RSAPublicKey) {
        RSAPublicKey rsaPublicKey = (RSAPublicKey) publicKey;
        String publicExponent = MessageFormat.format(res.getString("DProperties.properties.public.rsa.PublicExponent"), "0x" + rsaPublicKey.getPublicExponent().toString(16).toUpperCase());
        publicKeyNode.add(new DefaultMutableTreeNode(publicExponent));
        String modulus = MessageFormat.format(res.getString("DProperties.properties.public.rsa.Modulus"), "0x" + rsaPublicKey.getModulus().toString(16).toUpperCase());
        publicKeyNode.add(new DefaultMutableTreeNode(modulus));
    } else if (publicKey instanceof DSAPublicKey) {
        DSAPublicKey dsaPublicKey = (DSAPublicKey) publicKey;
        DSAParams dsaParams = dsaPublicKey.getParams();
        String primeModulusP = MessageFormat.format(res.getString("DProperties.properties.public.dsa.PrimeModulusP"), "0x" + dsaParams.getP().toString(16).toUpperCase());
        publicKeyNode.add(new DefaultMutableTreeNode(primeModulusP));
        String primeQ = MessageFormat.format(res.getString("DProperties.properties.public.dsa.PrimeQ"), "0x" + dsaParams.getQ().toString(16).toUpperCase());
        publicKeyNode.add(new DefaultMutableTreeNode(primeQ));
        String generatorG = MessageFormat.format(res.getString("DProperties.properties.public.dsa.GeneratorG"), "0x" + dsaParams.getG().toString(16).toUpperCase());
        publicKeyNode.add(new DefaultMutableTreeNode(generatorG));
        String publicKeyY = MessageFormat.format(res.getString("DProperties.properties.public.dsa.PublicKeyY"), "0x" + dsaPublicKey.getY().toString(16).toUpperCase());
        publicKeyNode.add(new DefaultMutableTreeNode(publicKeyY));
    }
}

Example 54 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project keystore-explorer by kaikramer.

the class DViewAsymmetricKeyFields method populateFields.

private void populateFields() {
    Field[] fields = null;
    if (key instanceof RSAPublicKey) {
        RSAPublicKey rsaPub = (RSAPublicKey) key;
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubRsaPublicExponent.text"), rsaPub.getPublicExponent()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubRsaModulus.text"), rsaPub.getModulus()) };
    } else if (key instanceof DSAPublicKey) {
        DSAPublicKey dsaPub = (DSAPublicKey) key;
        DSAParams dsaParams = dsaPub.getParams();
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaPrimeModulusP.text"), dsaParams.getP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaPrimeQ.text"), dsaParams.getQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaGeneratorG.text"), dsaParams.getG()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PubDsaPublicKeyY.text"), dsaPub.getY()) };
    } else if (key instanceof RSAPrivateCrtKey) {
        RSAPrivateCrtKey rsaPvk = (RSAPrivateCrtKey) key;
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPublicExponent.text"), rsaPvk.getPublicExponent()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaModulus.text"), rsaPvk.getModulus()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeP.text"), rsaPvk.getPrimeP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeQ.text"), rsaPvk.getPrimeQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeExponentP.text"), rsaPvk.getPrimeExponentP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrimeExponentQ.text"), rsaPvk.getPrimeExponentQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaCrtCoefficient.text"), rsaPvk.getCrtCoefficient()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrivateExponent.text"), rsaPvk.getPrivateExponent()) };
    } else if (key instanceof RSAPrivateKey) {
        RSAPrivateKey rsaPvk = (RSAPrivateKey) key;
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaModulus.text"), rsaPvk.getModulus()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivRsaPrivateExponent.text"), rsaPvk.getPrivateExponent()) };
    } else if (key instanceof DSAPrivateKey) {
        DSAPrivateKey dsaPvk = (DSAPrivateKey) key;
        DSAParams dsaParams = dsaPvk.getParams();
        fields = new Field[] { new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaPrimeModulusP.text"), dsaParams.getP()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaPrimeQ.text"), dsaParams.getQ()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaGeneratorG.text"), dsaParams.getG()), new Field(res.getString("DViewAsymmetricKeyFields.jltFields.PrivDsaSecretExponentX.text"), dsaPvk.getX()) };
    }
    if (fields != null) {
        jltFields.setListData(fields);
        jltFields.setSelectedIndex(0);
    }
}

Example 55 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project keystore-explorer by kaikramer.

the class DViewPublicKey method populateDialog.

private void populateDialog() throws CryptoException {
    KeyInfo keyInfo = KeyPairUtil.getKeyInfo(publicKey);
    jtfAlgorithm.setText(keyInfo.getAlgorithm());
    Integer keyLength = keyInfo.getSize();
    if (keyLength != null) {
        jtfKeySize.setText(MessageFormat.format(res.getString("DViewPublicKey.jtfKeySize.text"), "" + keyLength));
    } else {
        jtfKeySize.setText(MessageFormat.format(res.getString("DViewPublicKey.jtfKeySize.text"), "?"));
    }
    jtfFormat.setText(publicKey.getFormat());
    jtfEncoded.setText("0x" + new BigInteger(1, publicKey.getEncoded()).toString(16).toUpperCase());
    jtfEncoded.setCaretPosition(0);
    if ((publicKey instanceof RSAPublicKey) || (publicKey instanceof DSAPublicKey)) {
        jbFields.setEnabled(true);
    } else {
        jbFields.setEnabled(false);
    }
}