diff options
Diffstat (limited to 'core/dkg-tsig-protocol.go')
| -rw-r--r-- | core/dkg-tsig-protocol.go | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/core/dkg-tsig-protocol.go b/core/dkg-tsig-protocol.go index 2bdb4e9..2bb4c52 100644 --- a/core/dkg-tsig-protocol.go +++ b/core/dkg-tsig-protocol.go @@ -81,7 +81,8 @@ type dkgShareSecret struct { privateKey *dkg.PrivateKey } -type dkgGroupPublicKey struct { +// DKGGroupPublicKey is the result of DKG protocol. +type DKGGroupPublicKey struct { round uint64 qualifyIDs dkg.IDs qualifyNodeIDs map[types.NodeID]struct{} @@ -92,7 +93,7 @@ type dkgGroupPublicKey struct { } type tsigProtocol struct { - groupPublicKey *dkgGroupPublicKey + groupPublicKey *DKGGroupPublicKey hash common.Hash psigType types.DKGPartialSignatureType sigs map[dkg.ID]dkg.PartialSignature @@ -311,11 +312,12 @@ func (ss *dkgShareSecret) sign(hash common.Hash) dkg.PartialSignature { return dkg.PartialSignature(sig) } -func newDKGGroupPublicKey( +// NewDKGGroupPublicKey creats a DKGGroupPublicKey instance. +func NewDKGGroupPublicKey( round uint64, mpks []*types.DKGMasterPublicKey, complaints []*types.DKGComplaint, threshold int) ( - *dkgGroupPublicKey, error) { + *DKGGroupPublicKey, error) { // Calculate qualify members. disqualifyIDs := map[types.NodeID]struct{}{} complaintsByID := map[types.NodeID]int{} @@ -369,7 +371,7 @@ func newDKGGroupPublicKey( pubShares = append(pubShares, &mpkMap[id].PublicKeyShares) } groupPK := dkg.RecoverGroupPublicKey(pubShares) - return &dkgGroupPublicKey{ + return &DKGGroupPublicKey{ round: round, qualifyIDs: qualifyIDs, qualifyNodeIDs: qualifyNodeIDs, @@ -380,13 +382,14 @@ func newDKGGroupPublicKey( }, nil } -func (gpk *dkgGroupPublicKey) verifySignature( +// VerifySignature verifies if the signature is correct. +func (gpk *DKGGroupPublicKey) VerifySignature( hash common.Hash, sig crypto.Signature) bool { return gpk.groupPublicKey.VerifySignature(hash, sig) } func newTSigProtocol( - gpk *dkgGroupPublicKey, + gpk *DKGGroupPublicKey, hash common.Hash, psigType types.DKGPartialSignatureType) *tsigProtocol { return &tsigProtocol{ |