idea安装mybatisplugin（mybatis插件）

public class App 
{
    public static void main(String[] args) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
        KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
        keygen.initialize(512);
        KeyPair kp = keygen.generateKeyPair();
        RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();
        RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
        System.out.println("KEY:\n" + bytesToHexString(publicKey.getEncoded()) + "\n");
        Cipher cipher = Cipher.getInstance("RSA");
        cipher.init(Cipher.ENCRYPT_MODE,privateKey);
        System.out.println("RESULT:\n" + bytesToHexString(cipher.doFinal("EamonSec".getBytes())) + "\n");
    }
    private static String bytesToHexString(byte[] src){
        StringBuilder stringBuilder = new StringBuilder("");
        if (src == null || src.length <= 0) {
            return null;
        }
        for (byte aSrc : src) {
            int v = aSrc & 0xFF;
            String hv = Integer.toHexString(v);
            if (hv.length() <2) {
                stringBuilder.append(0);
            }
            stringBuilder.append(hv);
        }
        return stringBuilder.toString();
    }

}