[dev] local kyber

ethdss/ethdss.go

@@ -97,6 +97,7 @@ type DSSArgs = struct {
 	Random       DistKeyShare
 	Msg          *big.Int
 	T            int
+	Qualified    []int
 }
 
 // PartialSig is partial representation of the final distributed signature. It
@@ -213,6 +214,17 @@ func (d *DSS) ProcessPartialSig(ps *PartialSig) error {
 	if err := ethschnorr.Verify(public, ps.Hash(), ps.Signature); err != nil {
 		return err
 	}
+
+	// qualified := false
+	// for _, idx := range d.Qualified {
+	// 	if ps.Partial.I == idx {
+	// 		qualified = true
+	// 		break
+	// 	}
+	// }
+	// if !qualified {
+	// 	return errors.New("dss: partial signature from non-qualifying participant")
+	// }
 	if _, ok := d.partialsIdx[ps.Partial.I]; ok {
 		return errors.New("dss: partial signature already received from peer")
 	}

go.mod

@@ -22,4 +22,5 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-replace go.dedis.ch/kyber/v3 => github.com/cerc-io/kyber/v3 v3.0.0-20250728035006-f80208a7f291 // branch dev-3.x
+replace go.dedis.ch/kyber/v3 => ../kyber
+// replace go.dedis.ch/kyber/v3 => github.com/cerc-io/kyber/v3 v3.0.0-20250728035006-f80208a7f291 // branch dev-3.x

secp256k1/suite.go

@@ -77,8 +77,8 @@ func (s *SuiteSecp256k1) New(t reflect.Type) interface{} {
 	return nil
 }
 
-// RandomStream returns a cipher.Stream that returns a key stream
-// from crypto/rand.
+// RandomStream returns the cipher.Stream with which the suite was initialized with, or a new key
+// stream from crypto/rand if one is not set.
 func (s *SuiteSecp256k1) RandomStream() cipher.Stream {
 	if s.r != nil {
 		return s.r
@@ -92,3 +92,9 @@ func (s *SuiteSecp256k1) RandomStream() cipher.Stream {
 func NewBlakeKeccackSecp256k1() *SuiteSecp256k1 {
 	return new(SuiteSecp256k1)
 }
+
+// NewBlakeKeccackSecp256k1 returns a cipher suite based on package
+// go.dedis.ch/kyber/xof/blake2xb, SHA-256, and the secp256k1 curve.
+func NewBlakeKeccackSecp256k1WithKeyStream(stream cipher.Stream) *SuiteSecp256k1 {
+	return &SuiteSecp256k1{r: stream}
+}