[Unity] AES 암호화/ 복호화 펌

AES암호화

public static string Encrypt(string textToEncrypt, string key) { RijndaelManaged rijndaelCipher = new RijndaelManaged(); rijndaelCipher.Mode = CipherMode.CBC; rijndaelCipher.Padding = PaddingMode.PKCS7; rijndaelCipher.KeySize = 128; rijndaelCipher.BlockSize = 128; byte[] pwdBytes = Encoding.UTF8.GetBytes(key); byte[] keyBytes = new byte[16]; int len = pwdBytes.Length; if (len > keyBytes.Length) { len = keyBytes.Length; } Array.Copy(pwdBytes, keyBytes, len); rijndaelCipher.Key = keyBytes; rijndaelCipher.IV = keyBytes; ICryptoTransform transform = rijndaelCipher.CreateEncryptor(); byte[] plainText = Encoding.UTF8.GetBytes(textToEncrypt); return Convert.ToBase64String(transform.TransformFinalBlock(plainText, 0, plainText.Length)); }

AES복호화

public static string Decrypt(string textToDecrypt, string key)

​

{

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RijndaelManaged rijndaelCipher = new RijndaelManaged();

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rijndaelCipher.Mode = CipherMode.CBC;

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rijndaelCipher.Padding = PaddingMode.PKCS7;

​

​

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rijndaelCipher.KeySize = 128;

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rijndaelCipher.BlockSize = 128;

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byte[] encryptedData = Convert.FromBase64String(textToDecrypt);

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byte[] pwdBytes = Encoding.UTF8.GetBytes(key);

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byte[] keyBytes = new byte[16];

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int len = pwdBytes.Length;

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if (len > keyBytes.Length)

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{

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len = keyBytes.Length;

​

}

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Array.Copy(pwdBytes, keyBytes, len);

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rijndaelCipher.Key = keyBytes;

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rijndaelCipher.IV = keyBytes;

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byte[] plainText = rijndaelCipher.CreateDecryptor().TransformFinalBlock(encryptedData, 0, encryptedData.Length);

​

return Encoding.UTF8.GetString(plainText);

​

}

개인적으로 참조하여 사용해 기억하고 싶어서 퍼왔습니다

출처 https://mdj1234.tistory.com/41