/// <summary>
/// This constructor regenerates a prior treehash object
/// </summary>
///
/// <param name="Digest">The hash function</param>
/// <param name="StatByte">The status bytes</param>
/// <param name="StatInt">The status ints</param>
/// <param name="TreeH">The tree hash</param>
/// <param name="NodeRet">The retained nodes</param>
public GMSSRootCalc(IDigest Digest, byte[][] StatByte, int[] StatInt, Treehash[] TreeH, List <byte[]>[] NodeRet)
{
_msgDigestTree = Digest;
// decode statInt
_heightOfTree = StatInt[0];
_mdLength = StatInt[1];
m_K = StatInt[2];
_indexForNextSeed = StatInt[3];
_heightOfNextSeed = StatInt[4];
if (StatInt[5] == 1)
{
_isFinished = true;
}
else
{
_isFinished = false;
}
if (StatInt[6] == 1)
{
m_isInitialized = true;
}
else
{
m_isInitialized = false;
}
int tailLength = StatInt[7];
_ndeIndex = new int[_heightOfTree];
for (int i = 0; i < _heightOfTree; i++)
{
_ndeIndex[i] = StatInt[8 + i];
}
_heightOfNodes = new List <int>();
for (int i = 0; i < tailLength; i++)
{
_heightOfNodes.Add(StatInt[8 + _heightOfTree + i]);
}
// decode statByte
_treeRoot = StatByte[0];
_authPath = ArrayUtils.CreateJagged <byte[][]>(_heightOfTree, _mdLength);
for (int i = 0; i < _heightOfTree; i++)
{
_authPath[i] = StatByte[1 + i];
}
_tailStack = new List <byte[]>();
for (int i = 0; i < tailLength; i++)
{
_tailStack.Add(StatByte[1 + _heightOfTree + i]);
}
// decode treeH
_treehash = GMSSUtil.Clone(TreeH);
// decode ret
_ndeRetain = GMSSUtil.Clone(NodeRet);
}
/// <summary>
/// Returns the initial treehash instances, storing value y_3(i)
/// </summary>
///
/// <returns>The initial treehash instances, storing value y_3(i)</returns>
public Treehash[] GetTreehash()
{
return(GMSSUtil.Clone(_treehash));
}
/// <summary>
/// Returns the retain stacks storing all right nodes near to the root
/// </summary>
///
/// <returns>The retain stacks storing all right nodes near to the root</returns>
public List <byte[]>[] GetRetain()
{
return(GMSSUtil.Clone(_ndeRetain));
}
/// <summary>
/// Returns the authentication path of the first leaf of the tree
/// </summary>
///
/// <returns>The authentication path of the first leaf of the tree</returns>
public byte[][] GetAuthPath()
{
return(GMSSUtil.Clone(_authPath));
}
