암호화 SHA256, MD5 변환

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

	/**
	 * SHA256 암호화 문자열로 변환
	 * @param value
	 * @return
	 * @throws NoSuchAlgorithmException
	 */
	public static String encryptSHA256(String value) throws NoSuchAlgorithmException{
		String encryptData = "";
		
		MessageDigest sha = MessageDigest.getInstance("SHA-256");
		sha.update(value.getBytes());

		byte[] digest = sha.digest();
		for (int i=0; i<digest.length; i++) {
			encryptData += Integer.toHexString(digest[i] & 0xFF).toUpperCase();
		}
		
		return encryptData;
	}
	
	/**
	 * MD5 암호화 문자열로 변환
	 * @param value
	 * @return
	 * @throws NoSuchAlgorithmException
	 */
	public static String encryptMD5(String value) throws NoSuchAlgorithmException{
		String encryptData = "";
		
		MessageDigest sha = MessageDigest.getInstance("MD5");
		sha.update(value.getBytes());

		byte[] digest = sha.digest();
		for (int i=0; i<digest.length; i++) {
			encryptData += Integer.toHexString(digest[i] & 0xFF).toUpperCase();
		}
		
		return encryptData;
	}