diff --git a/fuzz/fuzz_test.go b/fuzz/fuzz_test.go
new file mode 100644
index 0000000..d2c65dd
--- /dev/null
+++ b/fuzz/fuzz_test.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	stdsha256 "crypto/sha256"
+	sha256simd "github.com/minio/sha256-simd"
+	"testing"
+)
+
+func Equal(a, b []byte) bool {
+	if len(a) != len(b) {
+		return false
+	}
+	for i, v := range a {
+		if v != b[i] {
+			return false
+		}
+	}
+	return true
+}
+
+func FuzzSha256(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		simdShaWriter := sha256simd.New()
+		simdShaWriter.Write(data)
+
+		stdShaWriter := stdsha256.New()
+		stdShaWriter.Write(data)
+
+		if !Equal(stdShaWriter.Sum(nil), simdShaWriter.Sum(nil)) {
+			t.Fatalf("Expected equality between stdlib sha256 and simd sha256, but got different shas")
+		}
+
+	})
+}