import java.util.Base64; import javax.crypto.*; import javax.crypto.spec.*; public class Security_HW2 { static String key = "8iE3bf1se6N76HGPP8S0Xw=="; static String iv = "cHml3oX848/0uBwDJtChOA=="; static byte[] decKey = Base64.getDecoder().decode(key); //디코딩된 key static byte[] decIv = Base64.getDecoder().decode(iv); //디코딩된 iv public static String decode(String str) throws Exception { SecretKey..
