diff --git a/tss/ecdsa/ot/fmul/fmulLocal.go b/tss/ecdsa/dkls/fmul/fmulLocal.go
similarity index 96%
rename from tss/ecdsa/ot/fmul/fmulLocal.go
rename to tss/ecdsa/dkls/fmul/fmulLocal.go
index dd7ae2bd5..0ad7d13ae 100644
--- a/tss/ecdsa/ot/fmul/fmulLocal.go
+++ b/tss/ecdsa/dkls/fmul/fmulLocal.go
@@ -10,6 +10,14 @@ import (
 	"golang.org/x/sync/errgroup"
 )
 
+// Input: myGroup, the group we operate in
+// Input: securityParameter
+// Output: The number of SimOT needed
+func DecideNumOT(myGroup group.Group, sp int) int {
+	numSimOT := int(myGroup.Params().ScalarLength*8) + sp
+	return numSimOT
+}
+
 // ---- Sender Initialization ----
 
 // Input: myGroup, the group we operate in
diff --git a/tss/ecdsa/ot/fmul/fmulParty.go b/tss/ecdsa/dkls/fmul/fmulParty.go
similarity index 100%
rename from tss/ecdsa/ot/fmul/fmulParty.go
rename to tss/ecdsa/dkls/fmul/fmulParty.go
diff --git a/tss/ecdsa/ot/fmul/fmul_test.go b/tss/ecdsa/dkls/fmul/fmul_test.go
similarity index 95%
rename from tss/ecdsa/ot/fmul/fmul_test.go
rename to tss/ecdsa/dkls/fmul/fmul_test.go
index 896983cdf..ca8ebefd6 100644
--- a/tss/ecdsa/ot/fmul/fmul_test.go
+++ b/tss/ecdsa/dkls/fmul/fmul_test.go
@@ -15,14 +15,6 @@ import (
 
 const testFmulCount = 50
 
-// Input: myGroup, the group we operate in
-// Input: securityParameter
-// Output: The number of SimOT needed
-func DecideNumOT(myGroup group.Group, sp int) int {
-	numSimOT := int(myGroup.Params().ScalarLength*8) + sp
-	return numSimOT
-}
-
 // Input: aInput, bInput, the private input from both sender and receiver
 // Input: myGroup, the group we operate in
 // Input: n, the total number of SimOT