/// <summary>
/// Sign document hash.
/// </summary>
/// <param name="hash">document hash</param>
/// <param name="level">The document hash node level value in the aggregation tree</param>
/// <returns>KSI signature</returns>
public IKsiSignature Sign(DataHash hash, uint level = 0)
{
if (hash == null)
{
throw new ArgumentNullException(nameof(hash));
}
return(_ksiService.Sign(hash, level));
}
/// <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())));
}