public SecondIssuanceMessageInfo SecondMessage(SecondIssuanceMessageSpec spec)
{
if (spec.IssuerParameter == null)
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "IssuerSetupParametersSpec.ID";
fault.ArgumentValue = spec.IssuerParameter.Serialize();
throw new FaultException <ApiArgumentFault>(fault);
}
ProverProtocolParameters pProtoParam = new ProverProtocolParameters(spec.IssuerParameter);
pProtoParam.NumberOfTokens = spec.NumberOfTokens;
if (!String.IsNullOrWhiteSpace(spec.TokenInfomation))
{
pProtoParam.TokenInformation = ExtensionMethods.ToByteArray(spec.TokenInfomation);
}
if (!String.IsNullOrWhiteSpace(spec.Gamma))
{
pProtoParam.Gamma = ExtensionMethods.ToGroupElement(spec.Gamma, spec.IssuerParameter);
}
if (!String.IsNullOrWhiteSpace(spec.DevicePublicKey))
{
pProtoParam.DevicePublicKey = ExtensionMethods.ToGroupElement(spec.DevicePublicKey, spec.IssuerParameter);
}
if (!String.IsNullOrWhiteSpace(spec.ProverInfomation))
{
pProtoParam.ProverInformation = ExtensionMethods.ToByteArray(spec.ProverInfomation);
}
if (spec.RandomData != null)
{
pProtoParam.ProverRandomData = spec.RandomData;
}
if (spec.BatchSecurityLevel > 0)
{
pProtoParam.BatchValidationSecurityLevel = spec.BatchSecurityLevel;
}
pProtoParam.Validate();
Prover prover = pProtoParam.CreateProver();
SecondIssuanceMessage secondMessage = prover.GenerateSecondMessage(spec.FirstMessage);
PostSecondMessageState postSecondMessageState = prover.ExportPostSecondMessageState();
SecondIssuanceMessageInfo simInfo = new SecondIssuanceMessageInfo();
simInfo.PostSecondMessageState = postSecondMessageState;
simInfo.SecondMessage = secondMessage;
Guid issuerInstance = Guid.NewGuid();
simInfo.ProverInstanceID = issuerInstance;
proverInstanceDB.TryAdd(issuerInstance, new ProverInstanceData(prover));
return(simInfo);
}
public SecondIssuanceMessageInfo SecondMessage(SecondIssuanceMessageSpec spec)
{
if (spec.IssuerParameter == null)
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "IssuerSetupParametersSpec.ID";
fault.ArgumentValue = spec.IssuerParameter.Serialize();
throw new FaultException<ApiArgumentFault>(fault);
}
ProverProtocolParameters pProtoParam = new ProverProtocolParameters(spec.IssuerParameter);
pProtoParam.NumberOfTokens = spec.NumberOfTokens;
if (!String.IsNullOrWhiteSpace(spec.TokenInfomation))
{
pProtoParam.TokenInformation = ExtensionMethods.ToByteArray(spec.TokenInfomation);
}
if (!String.IsNullOrWhiteSpace(spec.Gamma))
{
pProtoParam.Gamma = ExtensionMethods.ToGroupElement(spec.Gamma, spec.IssuerParameter);
}
if (!String.IsNullOrWhiteSpace(spec.DevicePublicKey))
{
pProtoParam.DevicePublicKey = ExtensionMethods.ToGroupElement(spec.DevicePublicKey, spec.IssuerParameter);
}
if (!String.IsNullOrWhiteSpace(spec.ProverInfomation))
{
pProtoParam.ProverInformation = ExtensionMethods.ToByteArray(spec.ProverInfomation);
}
if (spec.RandomData != null)
{
pProtoParam.ProverRandomData = spec.RandomData;
}
if (spec.BatchSecurityLevel > 0)
{
pProtoParam.BatchValidationSecurityLevel = spec.BatchSecurityLevel;
}
pProtoParam.Validate();
Prover prover = pProtoParam.CreateProver();
SecondIssuanceMessage secondMessage = prover.GenerateSecondMessage(spec.FirstMessage);
PostSecondMessageState postSecondMessageState = prover.ExportPostSecondMessageState();
SecondIssuanceMessageInfo simInfo = new SecondIssuanceMessageInfo();
simInfo.PostSecondMessageState = postSecondMessageState;
simInfo.SecondMessage = secondMessage;
Guid issuerInstance = Guid.NewGuid();
simInfo.ProverInstanceID = issuerInstance;
proverInstanceDB.TryAdd(issuerInstance, new ProverInstanceData(prover));
return simInfo;
}
public IssuerKeyAndParameters CreateIssuerSetupParameters(IssuerSetupParametersSpec spec)
{
IssuerSetupParameters isp = new IssuerSetupParameters();
isp.GroupConstruction = spec.GroupConstruction ?? GroupType.Subgroup;
isp.UidP = ExtensionMethods.ToByteArray(spec.IssuerID);
isp.E = spec.AttributeEncoding != null ? spec.AttributeEncoding : IssuerSetupParameters.GetDefaultEValues(spec.NumberOfAttributes);
isp.UseRecommendedParameterSet = spec.UseRecommendedParameterSet ?? true;
if (issuerStore.HasValue(spec.IssuerID) && spec.StoreOnServer)
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "IssuerSetupParametersSpec.ID";
fault.ArgumentValue = spec.ParameterSetName;
throw new FaultException <ApiArgumentFault>(fault);
}
// look up ParameterSet.
if (isp.UseRecommendedParameterSet)
{
isp.ParameterSet = IssuerSetupParameters.GetDefaultParameterSet(isp.GroupConstruction);
// XXX add a check here to see if the name of the default parameterset is that same as
// specified in spec.ParameterSetName and that match with the sha method specified.
}
else
{
ParameterSet pSet;
if (ParameterSet.TryGetNamedParameterSet(spec.ParameterSetName, out pSet))
{
isp.ParameterSet = pSet;
}
else
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Member value vas not found";
fault.Argument = "IssuerSetupParametersSpec.ParameterSetName";
fault.ArgumentValue = spec.ParameterSetName;
throw new FaultException <ApiArgumentFault>(fault);
}
}
// specification field unused in ABC4Trust
isp.S = null;
IssuerKeyAndParameters issuerKeyParam = isp.Generate(true);
if (spec.StoreOnServer)
{
issuerStore.AddValue(spec.IssuerID, issuerKeyParam);
}
return(issuerKeyParam);
}
public void DeleteIssuerSetupParameter(string id)
{
if (!issuerStore.HasValue(id))
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "ID";
fault.ArgumentValue = id;
throw new FaultException <ApiArgumentFault>(fault);
}
issuerStore.RemoveValue(id);
}
public IssuerKeyAndParameters CreateIssuerSetupParameters(IssuerSetupParametersSpec spec)
{
IssuerSetupParameters isp = new IssuerSetupParameters();
isp.GroupConstruction = spec.GroupConstruction ?? GroupType.Subgroup;
isp.UidP = ExtensionMethods.ToByteArray(spec.IssuerID);
isp.E = spec.AttributeEncoding != null ? spec.AttributeEncoding : IssuerSetupParameters.GetDefaultEValues(spec.NumberOfAttributes);
isp.UseRecommendedParameterSet = spec.UseRecommendedParameterSet ?? true;
if (issuerStore.HasValue(spec.IssuerID) && spec.StoreOnServer)
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "IssuerSetupParametersSpec.ID";
fault.ArgumentValue = spec.ParameterSetName;
throw new FaultException<ApiArgumentFault>(fault);
}
// look up ParameterSet.
if (isp.UseRecommendedParameterSet)
{
isp.ParameterSet = IssuerSetupParameters.GetDefaultParameterSet(isp.GroupConstruction);
// XXX add a check here to see if the name of the default parameterset is that same as
// specified in spec.ParameterSetName and that match with the sha method specified.
}
else
{
ParameterSet pSet;
if (ParameterSet.TryGetNamedParameterSet(spec.ParameterSetName, out pSet))
{
isp.ParameterSet = pSet;
}
else
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Member value vas not found";
fault.Argument = "IssuerSetupParametersSpec.ParameterSetName";
fault.ArgumentValue = spec.ParameterSetName;
throw new FaultException<ApiArgumentFault>(fault);
}
}
// specification field unused in ABC4Trust
isp.S = null;
IssuerKeyAndParameters issuerKeyParam = isp.Generate(true);
if (spec.StoreOnServer) {
issuerStore.AddValue(spec.IssuerID, issuerKeyParam);
}
return issuerKeyParam;
}
public FirstIssuanceMessageInfo FirstMessage(FirstIssuanceMessageSpec spec)
{
if (!issuerStore.HasValue(spec.IssuerID))
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "FirstIssuanceMessageSpec.IssuerID";
fault.ArgumentValue = spec.IssuerID;
throw new FaultException <ApiArgumentFault>(fault);
}
IssuerKeyAndParameters ikp = issuerStore.GetValue(spec.IssuerID);
IssuerProtocolParameters ipp = new IssuerProtocolParameters(ikp);
ipp.NumberOfTokens = spec.NumberOfTokens;
ipp.Attributes = ConvertToByteArray(spec.Attributes);
if (!String.IsNullOrWhiteSpace(spec.TokenInfomation))
{
ipp.TokenInformation = ExtensionMethods.ToByteArray(spec.TokenInfomation);
}
if (!String.IsNullOrWhiteSpace(spec.Gamma))
{
ipp.Gamma = ExtensionMethods.ToGroupElement(spec.Gamma, ikp.IssuerParameters);
}
if (!String.IsNullOrWhiteSpace(spec.DevicePublicKey))
{
ipp.DevicePublicKey = ExtensionMethods.ToGroupElement(spec.DevicePublicKey, ikp.IssuerParameters);
}
ipp.Validate();
Issuer issuer = ipp.CreateIssuer();
FirstIssuanceMessage firstMessage = issuer.GenerateFirstMessage();
FirstIssuanceMessageInfo ret = new FirstIssuanceMessageInfo();
ret.FirstMessage = firstMessage;
Guid issuerInstance = Guid.NewGuid();
ret.IssuerInstanceID = issuerInstance;
ret.FirstMessageState = issuer.ExportPostFirstMessageState();
issuerInstanceDB.TryAdd(issuerInstance, new IssuerInstanceData(issuer));
return(ret);
}
public IssuerParameterInfo GetIssuerSetupParameter(string id)
{
IssuerParameterInfo infoItem = new IssuerParameterInfo();
if (!issuerStore.HasValue(id))
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "ID";
fault.ArgumentValue = id;
throw new FaultException <ApiArgumentFault>(fault);
}
IssuerKeyAndParameters issuerParam = issuerStore.GetValue(id);
infoItem.ParameterSetName = id;
infoItem.IssuerParameterSet = issuerParam.IssuerParameters;
return(infoItem);
}
public GenerateTokensInfo GenerateTokens(GenerateTokensSpec spec)
{
// first we will try to lookup the cache value of the prover object.
Prover prover = null;
if (spec.ProverInstanceID != null)
{
ProverInstanceData proverInstance;
bool ok = proverInstanceDB.TryGetValue(spec.ProverInstanceID, out proverInstance);
if (ok)
{
prover = proverInstance.Prover;
}
else
{
//XXX add log about Prover not found in cache.
}
}
if (prover != null)
{
return(HandleGenerateTokens(prover, spec.ThirdMessage));
}
if (spec.SecondMessageState != null && spec.IssuerParameter != null)
{
prover = new Prover(spec.IssuerParameter, spec.SecondMessageState);
proverInstanceDB.TryAdd(spec.ProverInstanceID, new ProverInstanceData(prover));
return(HandleGenerateTokens(prover, spec.ThirdMessage));
}
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Prover with unique ID was found or SecondMessageState and IssuerParameter not provided.";
fault.Argument = "GenerateTokensSpec.ProverInstanceID/GenerateTokensSpec.SecondMessageState/GenerateTokensSpec.IssuerParameter";
fault.ArgumentValue = spec.ProverInstanceID.ToString();
throw new FaultException <ApiArgumentFault>(fault);
}
public ThirdIssuanceMessageInfo ThirdMessage(ThirdIssuanceMessageSpec spec)
{
// first we will try to lookup the cache value of the issuer object.
Issuer issuer = null;
if (spec.IssuerInstanceID != null)
{
IssuerInstanceData issuerInstance;
bool ok = issuerInstanceDB.TryGetValue(spec.IssuerInstanceID, out issuerInstance);
if (ok)
{
issuer = issuerInstance.Issuer;
}
else
{
//XXX add log about Issuer not found in cache.
}
}
if (issuer != null)
{
return(HandleThirdMessageInfo(issuer, spec.SecondMessage));
}
if (spec.FistMessageState != null && spec.IssuerKeyAndParameter != null)
{
issuer = new Issuer(spec.IssuerKeyAndParameter, spec.FistMessageState);
issuerInstanceDB.TryAdd(spec.IssuerInstanceID, new IssuerInstanceData(issuer));
return(HandleThirdMessageInfo(issuer, spec.SecondMessage));
}
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found or FirstMessageState and IssuerKeyAndParameter not provided.";
fault.Argument = "ThirdIssuanceMessageSpec.IssuerInstanceID/ThirdIssuanceMessageSpec.FirstMessageState/ThirdIssuanceMessageSpec.IssuerKeyAndParameter";
fault.ArgumentValue = spec.IssuerInstanceID.ToString();
throw new FaultException <ApiArgumentFault>(fault);
}
public GenerateTokensInfo GenerateTokens(GenerateTokensSpec spec)
{
// first we will try to lookup the cache value of the prover object.
Prover prover = null;
if (spec.ProverInstanceID != null)
{
ProverInstanceData proverInstance;
bool ok = proverInstanceDB.TryGetValue(spec.ProverInstanceID, out proverInstance);
if (ok)
{
prover = proverInstance.Prover;
}
else
{
//XXX add log about Prover not found in cache.
}
}
if (prover != null)
{
return HandleGenerateTokens(prover, spec.ThirdMessage);
}
if (spec.SecondMessageState != null && spec.IssuerParameter != null)
{
prover = new Prover(spec.IssuerParameter, spec.SecondMessageState);
proverInstanceDB.TryAdd(spec.ProverInstanceID, new ProverInstanceData(prover));
return HandleGenerateTokens(prover, spec.ThirdMessage);
}
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Prover with unique ID was found or SecondMessageState and IssuerParameter not provided.";
fault.Argument = "GenerateTokensSpec.ProverInstanceID/GenerateTokensSpec.SecondMessageState/GenerateTokensSpec.IssuerParameter";
fault.ArgumentValue = spec.ProverInstanceID.ToString();
throw new FaultException<ApiArgumentFault>(fault);
}
public ThirdIssuanceMessageInfo ThirdMessage(ThirdIssuanceMessageSpec spec)
{
// first we will try to lookup the cache value of the issuer object.
Issuer issuer = null;
if (spec.IssuerInstanceID != null)
{
IssuerInstanceData issuerInstance;
bool ok = issuerInstanceDB.TryGetValue(spec.IssuerInstanceID, out issuerInstance);
if (ok)
{
issuer = issuerInstance.Issuer;
}
else
{
//XXX add log about Issuer not found in cache.
}
}
if (issuer != null)
{
return HandleThirdMessageInfo(issuer, spec.SecondMessage);
}
if (spec.FistMessageState != null && spec.IssuerKeyAndParameter != null)
{
issuer = new Issuer(spec.IssuerKeyAndParameter, spec.FistMessageState);
issuerInstanceDB.TryAdd(spec.IssuerInstanceID, new IssuerInstanceData(issuer));
return HandleThirdMessageInfo(issuer, spec.SecondMessage);
}
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found or FirstMessageState and IssuerKeyAndParameter not provided.";
fault.Argument = "ThirdIssuanceMessageSpec.IssuerInstanceID/ThirdIssuanceMessageSpec.FirstMessageState/ThirdIssuanceMessageSpec.IssuerKeyAndParameter";
fault.ArgumentValue = spec.IssuerInstanceID.ToString();
throw new FaultException<ApiArgumentFault>(fault);
}
public FirstIssuanceMessageInfo FirstMessage(FirstIssuanceMessageSpec spec)
{
if (!issuerStore.HasValue(spec.IssuerID))
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "FirstIssuanceMessageSpec.IssuerID";
fault.ArgumentValue = spec.IssuerID;
throw new FaultException<ApiArgumentFault>(fault);
}
IssuerKeyAndParameters ikp = issuerStore.GetValue(spec.IssuerID);
IssuerProtocolParameters ipp = new IssuerProtocolParameters(ikp);
ipp.NumberOfTokens = spec.NumberOfTokens;
ipp.Attributes = ConvertToByteArray(spec.Attributes);
if (!String.IsNullOrWhiteSpace(spec.TokenInfomation))
{
ipp.TokenInformation = ExtensionMethods.ToByteArray(spec.TokenInfomation);
}
if (!String.IsNullOrWhiteSpace(spec.Gamma))
{
ipp.Gamma = ExtensionMethods.ToGroupElement(spec.Gamma, ikp.IssuerParameters);
}
if (!String.IsNullOrWhiteSpace(spec.DevicePublicKey))
{
ipp.DevicePublicKey = ExtensionMethods.ToGroupElement(spec.DevicePublicKey, ikp.IssuerParameters);
}
ipp.Validate();
Issuer issuer = ipp.CreateIssuer();
FirstIssuanceMessage firstMessage = issuer.GenerateFirstMessage();
FirstIssuanceMessageInfo ret = new FirstIssuanceMessageInfo();
ret.FirstMessage = firstMessage;
Guid issuerInstance = Guid.NewGuid();
ret.IssuerInstanceID = issuerInstance;
ret.FirstMessageState = issuer.ExportPostFirstMessageState();
issuerInstanceDB.TryAdd(issuerInstance, new IssuerInstanceData(issuer));
return ret;
}
public void DeleteIssuerSetupParameter(string id)
{
if (!issuerStore.HasValue(id))
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "ID";
fault.ArgumentValue = id;
throw new FaultException<ApiArgumentFault>(fault);
}
issuerStore.RemoveValue(id);
}
public IssuerParameterInfo GetIssuerSetupParameter(string id)
{
IssuerParameterInfo infoItem = new IssuerParameterInfo();
if (!issuerStore.HasValue(id))
{
ApiArgumentFault fault = new ApiArgumentFault();
fault.Details = "Issuer with unique ID was found";
fault.Argument = "ID";
fault.ArgumentValue = id;
throw new FaultException<ApiArgumentFault>(fault);
}
IssuerKeyAndParameters issuerParam = issuerStore.GetValue(id);
infoItem.ParameterSetName = id;
infoItem.IssuerParameterSet = issuerParam.IssuerParameters;
return infoItem;
}
