package com.example.springboot;

import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.security.crypto.encrypt.Encryptors;
import org.springframework.security.crypto.encrypt.BytesEncryptor;
import org.springframework.util.Base64Utils;
import org.apache.commons.codec.binary.Hex;



@RestController
public class HelloController {

	@RequestMapping("/")
	public String index() {
		String plaintext = "ABC";
		String encrypted_b64;
		String encrypted_hex;

		BytesEncryptor encryptor = Encryptors.stronger("ABCD", "FFFFFFFFFFFFFFFF");
		byte[] encrypted = encryptor.encrypt(plaintext.getBytes());
		encrypted_b64 = Base64Utils.encodeToString(encrypted);
		encrypted_hex = Hex.encodeHexString(encrypted);


		String out="AES\n" +
			"Plaintext: " + plaintext + "\n" + 
			"Encrypted: " + encrypted_b64 + "\n" +
			"Encrypted (Hex): " + encrypted_hex + "\n";

		System.out.println(out);
		return out;
	}

}