結婚できない男

http://nogun.tistory.com/64



귀찮아서 간단히 한 코덱 소스
package com.futurenuri.common.util;

import java.security.InvalidKeyException;
import java.security.Key;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;

import org.apache.commons.codec.binary.Base64;

public class LocalEncrypter {

//    private static Log log = LogFactory.getLog(LocalEncrypter.class);
   
    private String algorithm = "DESede";
    private Key key;
    private Cipher cipher;
 
    public LocalEncrypter() throws Exception {
        key = KeyGenerator.getInstance( algorithm ).generateKey();
        cipher = Cipher.getInstance( algorithm );
    }
   
    /**
     * 엔코드 한 스트링을 돌려줌
     * @param input
     * @return
     * @throws InvalidKeyException
     * @throws BadPaddingException
     * @throws IllegalBlockSizeException
     */
    public String getEncrypt(String input) throws InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
        cipher.init( Cipher.ENCRYPT_MODE, key );
        byte [] inputBytes = input.getBytes();
        byte [] encryptionBytes = cipher.doFinal( inputBytes );
        return Base64.encodeBase64String(encryptionBytes);
    }
   
    /**
     * 디코드한 스트링을 돌려줌
     * @param encodeString
     * @return
     * @throws InvalidKeyException
     * @throws BadPaddingException
     * @throws IllegalBlockSizeException
     */
    public String getDecrypt(String encodeString) throws InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
        byte [] encryptionBytes = Base64.decodeBase64(encodeString);
        cipher.init( Cipher.DECRYPT_MODE, key );
        byte [] recoveredBytes = cipher.doFinal( encryptionBytes );
        return new String( recoveredBytes );
    }
}

톰캣 JConsole
http://cacky.tistory.com/39

책
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