public static bool IsPemFormatedFile(string fileName)
{
try
{
FileStream fileStream = new FileStream(fileName, FileMode.Open);
byte[] numArray = new byte[fileStream.Length];
fileStream.Read(numArray, 0, numArray.Length);
fileStream.Close();
return(Asn1Util.IsPemFormated(Asn1Util.BytesToString(numArray)));
}
catch
{
return(false);
}
}
public void LoadPemData(string fileName)
{
FileStream fileStream = new FileStream(fileName, FileMode.Open);
byte[] numArray = new byte[fileStream.Length];
fileStream.Read(numArray, 0, numArray.Length);
fileStream.Close();
string pemStr = Asn1Util.BytesToString(numArray);
if (!Asn1Util.IsPemFormated(pemStr))
{
throw new Exception("It is a invalid PEM file: " + fileName);
}
Stream stream = Asn1Util.PemToStream(pemStr);
stream.Position = 0L;
this.LoadData(stream);
}
/// <summary>
/// Load PEM formated file.
/// </summary>
/// <param name="fileName">PEM file name.</param>
public void LoadPemData(string fileName)
{
FileStream fs = new FileStream(fileName, FileMode.Open);
byte[] data = new byte[fs.Length];
fs.Read(data, 0, data.Length);
fs.Close();
string dataStr = Asn1Util.BytesToString(data);
if (Asn1Util.IsPemFormated(dataStr))
{
Stream ms = Asn1Util.PemToStream(dataStr);
ms.Position = 0;
LoadData(ms);
}
else
{
throw new Exception("It is a invalid PEM file: " + fileName);
}
}
