/// <summary>
/// Create PKCS 8 from hex string.
/// </summary>
/// <param name="data">Hex string.</param>
/// <returns>PKCS 8</returns>
public static GXPkcs8 FromHexString(string data)
{
GXPkcs8 cert = new GXPkcs8();
cert.Init(GXCommon.HexToBytes(data));
return(cert);
}
/// <summary>
/// Create PKCS #8 from DER Base64 encoded string.
/// </summary>
/// <param name="der">Base64 DER string.</param>
/// <returns></returns>
public static GXPkcs8 FromDer(string der)
{
der = der.Replace("\r\n", "");
der = der.Replace("\n", "");
GXPkcs8 cert = new GXPkcs8();
cert.Init(GXCommon.FromBase64(der));
return(cert);
}
/// <summary>
/// Import certificate from string.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static GXPkcs8 Import(string value)
{
GXPrivateKey pk;
GXPkcs8 ret;
try
{
ret = GXPkcs8.FromPem(value);
}
catch (Exception)
{
try
{
ret = GXPkcs8.FromDer(value);
}
catch (Exception)
{
try
{
//If PEM.
pk = GXPrivateKey.FromPem(value);
ret = new GXPkcs8(pk);
}
catch (Exception)
{
try
{
//If DER.
pk = GXPrivateKey.FromDer(value);
ret = new GXPkcs8(pk);
}
catch (Exception)
{
try
{
//If Raw.
pk = GXPrivateKey.FromRawBytes(GXDLMSTranslator.HexToBytes(value));
ret = new GXPkcs8(pk);
}
catch (Exception)
{
throw new Exception("Invalid private key format.");
}
}
}
}
}
return(ret);
}
/// <summary>Load private key from the PEM file.
/// </summary>
/// <param name="path">File path. </param>
/// <returns> Created GXPkcs8 object. </returns>
public static GXPkcs8 Load(string path)
{
return(GXPkcs8.FromPem(File.ReadAllText(path)));
}
