public void Create(LmsAlgorithmType[] lmsType, LmotsAlgorithmType lmotsType)
{
_hssTree = new HssNode[lmsType.Length];
for (int i = 0; i < lmsType.Length; i++)
{
_hssTree[i] = new HssNode(lmsType[i], lmotsType);
}
}
/// <summary>
/// Take an array of strings and fill in the private key from that
/// Fields in order are: LMS type, LMOTS type, Seed, Q, Identifier
/// </summary>
/// <param name="input"></param>
/// <param name="offset"></param>
public LmsKey(string[] input, int offset)
{
_lmsType = (LmsAlgorithmType)Int32.Parse(input[offset]);
_lmotsType = (LmotsAlgorithmType)Int32.Parse(input[offset + 1]);
_seed = StringToByteArray(input[offset + 2]);
LeafNumber = Int32.Parse(input[offset + 3]);
Identifier = StringToByteArray(input[offset + 4]);
BuildFromSeed(_seed);
}
private static UInt16 Checksum(byte[] Q, int w, LmotsAlgorithmType lmotsType)
{
UInt16 sum = 0;
UInt16 max = (UInt16)((1 << w) - 1);
for (int i = 0; i < (Q.Length * 8 / w); i += 1)
{
sum += (UInt16)(max - Coef(Q, i, w));
}
return((UInt16)(sum << Constants.Values[(int)lmotsType].ls));
}
public LmsKey(LmsAlgorithmType lmsTypeIn, LmotsAlgorithmType lmotsTypeIn)
{
_lmsType = lmsTypeIn;
_lmotsType = lmotsTypeIn;
Identifier = new byte[16];
SecureRandom rng = Message.GetPRNG();
rng.NextBytes(Identifier, 0, 16);
_seed = new byte[M];
rng.NextBytes(_seed, 0, _seed.Length);
BuildFromSeed(_seed);
}
public HssNode(LmsAlgorithmType lmsType, LmotsAlgorithmType lmotsType)
{
privateKey = new LmsKey(lmsType, lmotsType);
}
