public static bool stegoEncryption(string txt, string fileName, string newFileName, out byte[] iv, out byte[] key, int[] stegoKey, string[] compressKey, out List <string> table)
{
Aes myAes = Aes.Create();
iv = myAes.IV;
key = myAes.Key;
byte[] encrypted = AESEncypt.EncryptStringToBytes_Aes(txt, myAes.Key, myAes.IV);
string encString = Convert.ToBase64String(encrypted);
List <bool> compMsg = groupCompress(encString, compressKey, out table);
bool ok = stegoChar(encString, fileName, newFileName, stegoKey, compMsg);
return(ok);
}
public static string stegoEncryptionRet(string fileName, byte[] iv, byte[] key, int[] stegoKey, string[] compressKey, List <string> table)
{
Aes myAes = Aes.Create();
myAes.IV = iv;
myAes.Key = key;
string dec = stegoCharRet(fileName, stegoKey, compressKey, table);
// dec = dec.Remove(dec.Length - 1, 1);
byte[] bytes = Convert.FromBase64String(dec);
string decrypted = AESEncypt.DecryptStringFromBytes_Aes(bytes, key, iv);
return(decrypted);
}