Java Utililty Methods Key Create

List of utility methods to do Key Create

  1. HOME
  2. Java
  3. K
  4. Key Create

Description

The list of methods to do Key Create are organized into topic(s).

Method

KeyFactorygetKeyFactory(final String algorithm)
get Key Factory 
return KeyFactory.getInstance(algorithm);
KeyFactorygetKeyFactory(final String algorithm)
get Key Factory 
synchronized (keyFactories) {
    KeyFactory kf = keyFactories.get(algorithm);
    if (kf != null) {
        return kf;
    try {
        kf = KeyFactory.getInstance(algorithm, "BC");
    } catch (NoSuchAlgorithmException | NoSuchProviderException e) {
...
KeyFactorygetKeyFactory(String keyType)
get Key Factory 
if (keyType.startsWith("EC")) {
    return KeyFactory.getInstance("EC");
} else {
    return KeyFactory.getInstance(keyType);
SecretKeygetKeyFromFile(String _sFilename, String _sPassword)
getKeyFromFile - Gets key value from file, to be used for encryption/decryption 
SecretKey sk = null;
File fKeyFile = new File(_sFilename);
System.out.println("DEBUG->getKeyFromFile...");
if (fKeyFile.exists()) {
    try {
        KeyStore ks = KeyStore.getInstance("JCEKS");
        ks.load(new FileInputStream(_sFilename), _sPassword.toCharArray());
        sk = (SecretKey) ks.getKey(S_KEY_ALIAS, _sPassword.toCharArray());
...
KeygetKeyFromFile(String keyFile)
get Key From File 
Key kp = null;
try {
    InputStream is = new FileInputStream(keyFile);
    ObjectInputStream oos = new ObjectInputStream(is);
    kp = (Key) oos.readObject();
    oos.close();
} catch (Exception e) {
    e.printStackTrace();
...
KeyGeneratorgetKeyGenerator(String algorithm)
Get the KeyGenerator of this algorithm 
try {
    return KeyGenerator.getInstance(algorithm);
} catch (NoSuchAlgorithmException e) {
    throw new IllegalArgumentException("Algorithm not found for: " + algorithm, e);
KeyManagerFactorygetKeyKeyManagerFactory(InputStream keyStore, String password, String algorithm, String keyStoreType)
get Key Key Manager Factory 
KeyStore ks = KeyStore.getInstance(keyStoreType);
ks.load(keyStore, password.toCharArray());
keyStore.close();
KeyManagerFactory k = KeyManagerFactory.getInstance(algorithm);
k.init(ks, password.toCharArray());
return k;
KeyManagerFactorygetKeyKeyManagerFactoryByPfx(InputStream keyStore, String password)
get Key Key Manager Factory By Pfx 
String algorithm = "sunx509";
String keyStoreType = "PKCS12";
return getKeyKeyManagerFactory(keyStore, password, algorithm, keyStoreType);
X509KeyManagergetKeyManager(KeyStore keyStore, char[] keyStorePassword)
get Key Manager 
KeyManagerFactory keyManagerFactory = KeyManagerFactory
        .getInstance(KeyManagerFactory.getDefaultAlgorithm());
keyManagerFactory.init(keyStore, keyStorePassword);
return (X509KeyManager) keyManagerFactory.getKeyManagers()[0];
KeyManagerFactorygetKeyManagerFactory(InputStream key, String keyPassword)
get Key Manager Factory 
KeyManagerFactory kmf = null;
try {
    String keyStoreType = "BKS";
    KeyStore keyStore = KeyStore.getInstance(keyStoreType);
    keyStore.load(key, keyPassword.toCharArray());
    String kmfAlgorithm = KeyManagerFactory.getDefaultAlgorithm();
    kmf = KeyManagerFactory.getInstance(kmfAlgorithm);
    kmf.init(keyStore, keyPassword.toCharArray());
...