/// <summary>
/// Generate AES Key
/// </summary>
/// <param name="keyType"></param>
/// <returns></returns>
public static string GenerateKey(AESKeyTypeEnum keyType)
{
char[] constant =
{
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j','k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J','K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
};
StringBuilder newRandom = new StringBuilder();
Random rd = new Random();
for (int i = 0; i < Convert.ToInt16(keyType); i++)
{
newRandom.Append(constant[rd.Next(62)]);
}
return(newRandom.ToString());
}
private void GenerateKeyBtn_Click(object sender, EventArgs e)
{
string key = string.Empty;
AESKeyTypeEnum keyType = AESKeyTypeEnum.KEY128;
if (aes192btn.Checked)
{
keyType = AESKeyTypeEnum.KEY192;
}
else if (aes256btn.Checked)
{
keyType = AESKeyTypeEnum.KEY256;
}
key = AESHelper.GenerateKey(keyType);
keyTextBox.Text = key;
CopyKeyBtn.Enabled = true;
}
