/// <summary>
/// Sign given hashes. Returns uni-signatures.
/// </summary>
public IEnumerable <IKsiSignature> Sign()
{
_canAddItems = false;
if (_leafNodes.Count == 0)
{
return(new List <IKsiSignature>());
}
TreeNode root = _treeBuilder.GetTreeRoot();
if (root.Left == null && root.Right == null)
{
Logger.Debug("Only one node in the tree. Signing the hash. Level: {0}; Hash: {1}", root.Level, root.Hash);
return(new List <IKsiSignature>()
{
_ksiService.Sign(root.Hash, root.Level)
});
}
Logger.Debug("Signing root node hash. Level: {0}; Hash: {1}", root.Level, root.Hash);
SignRequestResponsePayload signResponsePayload = _ksiService.GetSignResponsePayload(_ksiService.BeginSign(root.Hash, root.Level, null, null));
return(CreateUniSignatures(new KsiSignature(false, false, signResponsePayload.GetSignatureChildTags())));
}
/// <summary>
/// End create signature (async).
/// </summary>
/// <param name="asyncResult">async result</param>
/// <returns>KSI signature</returns>
public IKsiSignature EndSign(IAsyncResult asyncResult)
{
KsiServiceAsyncResult serviceAsyncResult = GetKsiServiceAsyncResult(asyncResult);
SignRequestResponsePayload responsePayload = GetSignResponsePayload(serviceAsyncResult);
LegacyAggregationResponsePayload legacyPayload = responsePayload as LegacyAggregationResponsePayload;
AggregationResponsePayload payload = responsePayload as AggregationResponsePayload;
IKsiSignature signature = legacyPayload != null
? _ksiSignatureFactory.Create(legacyPayload, serviceAsyncResult.DocumentHash, serviceAsyncResult.Level)
: _ksiSignatureFactory.Create(payload, serviceAsyncResult.DocumentHash, serviceAsyncResult.Level);
Logger.Debug("End sign successful (request id: {0}){1}{2}", serviceAsyncResult.RequestId, Environment.NewLine, signature);
return(signature);
}
private SignRequestResponsePayload GetSignResponsePayload(KsiServiceAsyncResult serviceAsyncResult)
{
if (_signingServiceProtocol == null)
{
throw new KsiServiceException("Signing service protocol is missing from service.");
}
if (!serviceAsyncResult.IsCompleted)
{
serviceAsyncResult.AsyncWaitHandle.WaitOne();
}
byte[] data = _signingServiceProtocol.EndSign(serviceAsyncResult);
PduPayload payload = SignRequestResponseParser.Parse(data, serviceAsyncResult.RequestId);
SignRequestResponsePayload signResponsePayload = payload as SignRequestResponsePayload;
if (signResponsePayload == null)
{
Logger.Warn("Sign request failed. Invalid response payload.{0}Payload:{0}{1}", Environment.NewLine, payload);
throw new KsiServiceException("Invalid sign response payload. Type: " + payload.Type);
}
return(signResponsePayload);
}
