From 19def6bfe2681cf8578eb926d00a593e885deca6 Mon Sep 17 00:00:00 2001
From: Sahil-4555 <sahilsojitra4555@gmail.com>
Date: Thu, 26 Feb 2026 08:50:56 +0530
Subject: [PATCH] crypto: fix KeccakState undefined reference in ziren build
 tag

---
 crypto/keccak_ziren.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/crypto/keccak_ziren.go b/crypto/keccak_ziren.go
index 8e967c6dbf..2429012e92 100644
--- a/crypto/keccak_ziren.go
+++ b/crypto/keccak_ziren.go
@@ -21,6 +21,7 @@ package crypto
 import (
 	"github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto/keccak"
 )
 
 // zirenKeccakState implements the KeccakState interface using the Ziren zkvm_runtime.
@@ -31,7 +32,7 @@ type zirenKeccakState struct {
 	dirty  bool   // whether new data has been written since last hash
 }
 
-func newZirenKeccakState() KeccakState {
+func newZirenKeccakState() keccak.KeccakState {
 	return &zirenKeccakState{
 		buf: make([]byte, 0, 512), // pre-allocate reasonable capacity
 	}
@@ -85,7 +86,7 @@ func (s *zirenKeccakState) computeHashIfNeeded() {
 
 // NewKeccakState creates a new KeccakState
 // This uses a Ziren-optimized implementation that leverages the zkvm_runtime.Keccak256 system call.
-func NewKeccakState() KeccakState {
+func NewKeccakState() keccak.KeccakState {
 	return newZirenKeccakState()
 }