public ProofInfo Rewind_range_proof(Identifier keyId, Commitment commit, RangeProof proof)
{
var nonce = Derived_key(keyId);
var proofInfo = Secp.rewind_range_proof(commit, proof, nonce);
return(proofInfo);
}
public Signiture Sign(Message msg, Identifier keyId)
{
var skey = Derived_key(keyId);
var sig = Secp.Sign(msg, skey);
return(sig);
}
public Commitment Switch_commit(Identifier keyId)
{
var skey = Derived_key(keyId);
var commit = Secp.switch_commit(skey);
return(commit);
}
public Commitment commit_with_key_index(ulong amount, uint derivation)
{
var skey = derived_key_from_index(derivation);
var commit = Secp.Commit(amount, skey);
return(commit);
}
public Commitment Commit(ulong amount, Identifier keyId)
{
var skey = Derived_key(keyId);
var commit = Secp.Commit(amount, skey);
return(commit);
}
public RangeProof Range_proof(ulong amount, Identifier keyId, Commitment commit, ProofMessage msg)
{
var skey = Derived_key(keyId);
var rangeProof = Secp.range_proof(0, amount, skey, commit, msg);
return(rangeProof);
}
public BlindingFactor Blind_sum(BlindSum blindSum)
{
var posKeys = blindSum.PositiveKeyIds.Select(Derived_key).ToList();
var negKeys = blindSum.NegativeKeyIds.Select(Derived_key).ToList();
posKeys.AddRange(blindSum.PositiveBlindingFactors.Select(pbf => pbf.Key));
negKeys.AddRange(blindSum.NegativeBlindingFactors.Select(nbf => nbf.Key));
var blinding = Secp.blind_sum(posKeys.ToArray(), negKeys.ToArray());
return(BlindingFactor.New(blinding));
}
public Signiture Sign_with_blinding(Message msg, BlindingFactor blinding)
{
var sig = Secp.Sign(msg, blinding.Key);
return(sig);
}