/// <summary>
/// 导出私钥或者公钥的RSAParameters对象，并转换为 json格式的字符串
/// </summary>
/// <param name="includePrivateParameters">是否包含私钥</param>
/// <returns></returns>
public string ExportParameters(bool includePrivateParameters = false)
{
CreateRSAInstance();
RSAParameters paramenter = rsa.ExportParameters(includePrivateParameters);
return(paramenter.ObjToJson());
}
/// <summary>
/// 创建一个随机的RSA加密算法的RSAParameters对象，并转换为 json格式的字符串
/// </summary>
/// <param name="includePrivateParameters">是否包含私钥</param>
/// <param name="keySize">加密 key 的长度</param>
/// <returns></returns>
public static string GenerateKey(bool includePrivateParameters = true, int keySize = 1024)
{
RSA rsager = RSA.Create();
rsager.KeySize = keySize;
RSAParameters paramenter = rsager.ExportParameters(includePrivateParameters);
return(paramenter.ObjToJson());
}