2 files changed, 70 insertions, 0 deletions

diff --git a/ffi/go/bls/bls.go b/ffi/go/bls/bls.go
index e9a6be3..b93837d 100644
--- a/ffi/go/bls/bls.go
+++ b/ffi/go/bls/bls.go
@@ -54,6 +54,14 @@ func (id *ID) SetLittleEndian(buf []byte) error {
 	return id.v.SetLittleEndian(buf)
 }
 
+func (id *ID) SerializeBig() []byte {
+	return id.v.SerializeBig()
+}
+
+func (id *ID) DeserializeBig(buf []byte) error {
+	return id.v.DeserializeBig(buf)
+}
+
 // GetHexString --
 func (id *ID) GetHexString() string {
 	return id.v.GetString(16)
@@ -126,6 +134,14 @@ func (sec *SecretKey) SetLittleEndian(buf []byte) error {
 	return sec.v.SetLittleEndian(buf)
 }
 
+func (sec *SecretKey) SerializeBig() []byte {
+	return sec.v.SerializeBig()
+}
+
+func (sec *SecretKey) DeserializeBig(buf []byte) error {
+	return sec.v.DeserializeBig(buf)
+}
+
 // SerializeToHexStr --
 func (sec *SecretKey) SerializeToHexStr() string {
 	return sec.v.GetString(IoSerializeHexStr)
@@ -257,6 +273,14 @@ func (pub *PublicKey) Deserialize(buf []byte) error {
 	return pub.v.Deserialize(buf)
 }
 
+func (pub *PublicKey) SerializeBig() []byte {
+	return pub.v.SerializeBig()
+}
+
+func (pub *PublicKey) DeserializeBig(buf []byte) error {
+	return pub.v.DeserializeBig(buf)
+}
+
 // SerializeToHexStr --
 func (pub *PublicKey) SerializeToHexStr() string {
 	return pub.v.GetString(IoSerializeHexStr)
@@ -346,6 +370,14 @@ func (sign *Sign) Deserialize(buf []byte) error {
 	return sign.v.Deserialize(buf)
 }
 
+func (sign *Sign) SerializeBig() []byte {
+	return sign.v.SerializeBig()
+}
+
+func (sign *Sign) DeserializeBig(buf []byte) error {
+	return sign.v.DeserializeBig(buf)
+}
+
 // SerializeToHexStr --
 func (sign *Sign) SerializeToHexStr() string {
 	return sign.v.GetString(IoSerializeHexStr)
diff --git a/ffi/go/bls/mcl.go b/ffi/go/bls/mcl.go
index ca8d7f0..7c1dd9c 100644
--- a/ffi/go/bls/mcl.go
+++ b/ffi/go/bls/mcl.go
@@ -72,6 +72,14 @@ func GetFieldOrder() string {
 	return string(buf[:n])
 }
 
+func reverse(b []byte) []byte {
+	l := make([]byte, len(b))
+	for i := 0; i < len(b); i++ {
+		l[i] = b[len(b)-i-1]
+	}
+	return l
+}
+
 // Fr --
 type Fr struct {
 	v C.mclBnFr
@@ -177,6 +185,16 @@ func (x *Fr) Serialize() []byte {
 	return buf[:n]
 }
 
+// SerializeBig serialize Fr to big endian
+func (x *Fr) SerializeBig() []byte {
+	return reverse(x.Serialize())
+}
+
+// DeserializeBig deserialize Fr from big endian
+func (x *Fr) DeserializeBig(buf []byte) error {
+	return x.Deserialize(reverse(buf))
+}
+
 // FrNeg --
 func FrNeg(out *Fr, x *Fr) {
 	C.mclBnFr_neg(out.getPointer(), x.getPointer())
@@ -287,6 +305,16 @@ func (x *G1) Serialize() []byte {
 	return buf[:n]
 }
 
+// SerializeBig serialize G1 to big endian
+func (x *G1) SerializeBig() []byte {
+	return reverse(x.Serialize())
+}
+
+// DeserializeBig deserialize G1 from big endian
+func (x *G1) DeserializeBig(buf []byte) error {
+	return x.Deserialize(reverse(buf))
+}
+
 // G1Neg --
 func G1Neg(out *G1, x *G1) {
 	C.mclBnG1_neg(out.getPointer(), x.getPointer())
@@ -397,6 +425,16 @@ func (x *G2) Serialize() []byte {
 	return buf[:n]
 }
 
+// SerializeBig serialize G2 to big endian
+func (x *G2) SerializeBig() []byte {
+	return reverse(x.Serialize())
+}
+
+// DeserializeBig deserialize G2 from big endian
+func (x *G2) DeserializeBig(buf []byte) error {
+	return x.Deserialize(reverse(buf))
+}
+
 // G2Neg --
 func G2Neg(out *G2, x *G2) {
 	C.mclBnG2_neg(out.getPointer(), x.getPointer())