void ShowCreateRSAKeyPage()
{
Console.Clear();
Console.WriteLine("----- C# RSA 操作示例 -----");
Console.Write("RSA密钥位数:");
int rsaKeySize = int.Parse(Console.ReadLine());
RSASecretKey rsaKey = GenerateRSASecretKey(rsaKeySize);
_generatedRSAKey.Add(rsaKey);
DisplayRSAKey(rsaKey);
Console.ReadKey();
}
void DisplayRSAKeyInXml(RSASecretKey key, bool showPublicKey = true, bool showPrivateKey = true)
{
if (showPrivateKey)
{
Write(ConsoleColor.Green, "PrivateKey:");
Console.WriteLine(FormatXml(RSAKeyConverter.ToXmlPrivateKey(key.PrivateKey)));
}
if (showPublicKey)
{
Write(ConsoleColor.Green, "PublicKey:");
Console.WriteLine(FormatXml(RSAKeyConverter.ToXmlPublicKey(key.PublicKey)));
}
}
void DisplayRSAKey(RSASecretKey key, bool showPublicKey = true, bool showPrivateKey = true)
{
if (showPrivateKey)
{
Write(ConsoleColor.Green, "PrivateKey:");
Console.WriteLine(key.PrivateKey);
}
if (showPublicKey)
{
Write(ConsoleColor.Green, "PublicKey:");
Console.WriteLine(key.PublicKey);
}
}
/// <summary>
/// generate RSA secret key
/// </summary>
/// <param name="keySize">the size of the key,must from 384 bits to 16384 bits in increments of 8 </param>
/// <returns></returns>
RSASecretKey GenerateRSASecretKey(int keySize)
{
if (keySize % 8 != 0 || keySize < 384 || keySize > 16384)
{
throw new ArgumentOutOfRangeException(nameof(keySize), "The range of KeySize must from 384 bits to 16384 bits in increments of 8");
}
RSASecretKey rsaKey = new RSASecretKey();
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(keySize))
{
rsaKey.PrivateKey = rsa.ToXmlString(true);
rsaKey.PublicKey = rsa.ToXmlString(false);
}
rsaKey.PrivateKey = RSAKeyConverter.FromXmlPrivateKey(rsaKey.PrivateKey);
rsaKey.PublicKey = RSAKeyConverter.FromXmlPublicKey(rsaKey.PublicKey);
return(rsaKey);
}