internal void OnSerializing(StreamingContext context)
{
_c = c.ToBase64String();
_rXb = rXb.ToBase64String();
_rR = rR.ToBase64String();
_rOb = rOb.ToBase64String();
}
/// <summary>
/// This setup method initializes the issuer, do it once and save the IssuerParameters they were used for verifying the issuer later (Verifier / Prover)
/// and are used for initiate the issuer at another time
/// </summary>
/// <param name="UIDP">issuer identifier</param>
/// <param name="appSpecification">description for the issuer</param>
/// <param name="maxNumberOfAttributes">number of attributes which should be supported in a token -> max allowed attributes are 25</param>
/// <param name="groupType">ECC or Subgroup</param>
/// <param name="supportDevice">ture, if the issuer allows to protect a token with a hard tokens</param>
public IssuingIssuer(string UIDP, string appSpecification, int maxNumberOfAttributes,
GroupType groupType = GroupType.ECC, bool supportDevice = false)
{
isDeviceProtected = supportDevice;
try
{
// max allowed are 50 attributes
if (maxNumberOfAttributes > 50)
{
throw new Exception("General supported are max 25 attributes");
}
IssuerSetupParameters isp = new IssuerSetupParameters(maxNumberOfAttributes);
isp.UidP = encoding.GetBytes(UIDP);
isp.S = encoding.GetBytes(appSpecification);
isp.GroupConstruction = groupType;
isp.UseRecommendedParameterSet = true;
ikap = isp.Generate(isDeviceProtected);
privateKey = ikap.PrivateKey;
string pk = privateKey.ToBase64String();
string ipJSON = ikap.IssuerParameters.Serialize();
LogService.Log(LogService.LogType.Info, "IssuingIssuer - successfully set up. IssuerParameters are: '" + ipJSON + "'");
}
catch (Exception e)
{
LogService.Log(LogService.LogType.FatalError, "IssuingIssuer - Error during issuer setup.", e);
throw new CommunicationException("IssuingIssuer - Error during issuer setup", e);
}
}
internal void OnSerializing(StreamingContext context)
{
_x = x.ToBase64String();
}
public static string Serialize(FieldZqElement value)
{
return(value.ToBase64String());
}
