feat: add KB8 curve and multiset hash on koalabear

ecc/ecc.go

@@ -1,7 +1,7 @@
 // Copyright 2020-2025 Consensys Software Inc.
 // Licensed under the Apache License, Version 2.0. See the LICENSE file for details.
 
-// Package ecc provides bls12-381, bls12-377, bn254, bw6-761, bls24-315, bls24-317, bw6-633, secp256k1, secp256r1, grumpkin and stark-curve elliptic curves implementations.
+// Package ecc provides bls12-381, bls12-377, bn254, bw6-761, bls24-315, bls24-317, bw6-633, secp256k1, secp256r1, grumpkin, stark-curve and kb8 elliptic curves implementations.
 //
 // Also
 //
@@ -32,6 +32,7 @@ const (
 	SECP256K1
 	GRUMPKIN
 	SECP256R1
+	KB8
 )
 
 // MultiExpConfig enables to set optional configuration attribute to a call to MultiExp

ecc/kb8/fp/fp.go

@@ -0,0 +1,42 @@
+package fp
+
+import (
+	"math/big"
+
+	kb "github.com/consensys/gnark-crypto/field/koalabear"
+)
+
+type Element = kb.Element
+type Vector = kb.Vector
+
+const (
+	Bits  = kb.Bits
+	Bytes = kb.Bytes
+	Limbs = kb.Limbs
+)
+
+var BigEndian = kb.BigEndian
+
+func Modulus() *big.Int {
+	return kb.Modulus()
+}
+
+func One() Element {
+	return kb.One()
+}
+
+func BatchInvert(a []Element) []Element {
+	return kb.BatchInvert(a)
+}
+
+func Generator(m uint64) (Element, error) {
+	return kb.Generator(m)
+}
+
+func Butterfly(a, b *Element) {
+	kb.Butterfly(a, b)
+}
+
+func MulBy3(x *Element) {
+	kb.MulBy3(x)
+}