impl bls by mclBn* api

3 files changed, 552 insertions, 11 deletions

diff --git a/go/bls/bls.go b/go/bls/bls.go
index d516bb1..61b2587 100644
--- a/go/bls/bls.go
+++ b/go/bls/bls.go
@@ -2,22 +2,13 @@ package bls
 
 /*
 #cgo CFLAGS:-DMCLBN_FP_UNIT_SIZE=6
-#cgo LDFLAGS:-lbls384 -lmclbn384 -lmcl -lgmpxx -lstdc++ -lgmp -lcrypto
+#cgo LDFLAGS:-lbls384 -lmcl -lgmpxx -lstdc++ -lgmp -lcrypto
 #include <bls/bls.h>
 */
 import "C"
 import "fmt"
 import "unsafe"
 
-// CurveFp254BNb -- 254 bit curve
-const CurveFp254BNb = C.mclBn_CurveFp254BNb
-
-// CurveFp382_1 -- 382 bit curve 1
-const CurveFp382_1 = C.mclBn_CurveFp382_1
-
-// CurveFp382_2 -- 382 bit curve 2
-const CurveFp382_2 = C.mclBn_CurveFp382_2
-
 // Init --
 // call this function before calling all the other operations
 // this function is not thread safe
@@ -26,7 +17,7 @@ func Init(curve int) error {
 	if err != 0 {
 		return fmt.Errorf("ERR Init curve=%d", curve)
 	}
-	return nil
+	return mclInit(curve) // QQQ
 }
 
 // GetMaxOpUnitSize --
diff --git a/go/bls/bls_test.go b/go/bls/bls_test.go
index 2dd5597..84e5344 100644
--- a/go/bls/bls_test.go
+++ b/go/bls/bls_test.go
@@ -6,6 +6,30 @@ import "strconv"
 var unitN = 0
 
 // Tests (for Benchmarks see below)
+func testPairing(t *testing.T) {
+	return
+//	err := Init(CurveFp254BNb)
+//	if err != nil {
+//		t.Error(err)
+//	}
+	var a, b, ab Fr
+	a.SetString("12345678901", 10)
+	b.SetString("abcdef0abcd", 16)
+	FrMul(&ab, &a, &b)
+	var P, aP G1
+	var Q, bQ G2
+	P.HashAndMapTo([]byte("this"))
+	G1Mul(&aP, &P, &a)
+	Q.HashAndMapTo([]byte("that"))
+	G2Mul(&bQ, &Q, &b)
+	var e1, e2 GT
+	Pairing(&e1, &P, &Q)
+	Pairing(&e2, &aP, &bQ)
+	GTPow(&e2, &e2, &ab)
+	if !e1.IsEqual(&e2) {
+		t.Errorf("not equal pairing\n%s\n%s", e1.GetString(16), e2.GetString(16))
+	}
+}
 
 func testPre(t *testing.T) {
 	t.Log("init")
@@ -312,6 +336,7 @@ func test(t *testing.T, c int) {
 	}
 	unitN = GetOpUnitSize()
 	t.Logf("unitN=%d\n", unitN)
+	testPairing(t)
 	testPre(t)
 	testRecoverSecretKey(t)
 	testAdd(t)
diff --git a/go/bls/mcl.go b/go/bls/mcl.go
new file mode 100644
index 0000000..c7a5ffd
--- /dev/null
+++ b/go/bls/mcl.go
@@ -0,0 +1,525 @@
+package bls
+
+/*
+#cgo CFLAGS:-D"MCLBN_FP_UNIT_SIZE=6"
+#include <mcl/bn.h>
+*/
+import "C"
+import "fmt"
+import "unsafe"
+
+// CurveFp254BNb -- 254 bit curve
+const CurveFp254BNb = C.mclBn_CurveFp254BNb
+
+// CurveFp382_1 -- 382 bit curve 1
+const CurveFp382_1 = C.mclBn_CurveFp382_1
+
+// CurveFp382_2 -- 382 bit curve 2
+const CurveFp382_2 = C.mclBn_CurveFp382_2
+
+// Init --
+// call this function before calling all the other operations
+// this function is not thread safe
+func mclInit(curve int) error {
+	err := C.mclBn_init(C.int(curve), C.MCLBN_FP_UNIT_SIZE)
+	if err != 0 {
+		return fmt.Errorf("ERR mclBn_init curve=%d", curve)
+	}
+	return nil
+}
+
+////////////////////////////////////////////////
+// Fr --
+type Fr struct {
+	v C.mclBnFr
+}
+
+// getPointer --
+func (x *Fr) getPointer() (p *C.mclBnFr) {
+	// #nosec
+	return (*C.mclBnFr)(unsafe.Pointer(x))
+}
+
+// Clear --
+func (x *Fr) Clear() {
+	// #nosec
+	C.mclBnFr_clear(x.getPointer())
+}
+
+// SetInt --
+func (x *Fr) SetInt(v int) {
+	// #nosec
+	C.mclBnFr_setInt(x.getPointer(), C.int(v))
+}
+
+// SetString --
+func (x *Fr) SetString(s string, base int) error {
+	buf := []byte(s)
+	// #nosec
+	err := C.mclBnFr_setStr(x.getPointer(), (*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), C.int(base))
+	if err != 0 {
+		return fmt.Errorf("err mclBnFr_setStr %x", err)
+	}
+	return nil
+}
+
+// Deserialize --
+func (x *Fr) Deserialize(buf []byte) error {
+	// #nosec
+	err := C.mclBnFr_deserialize(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnFr_deserialize %x", buf)
+	}
+	return nil
+}
+
+// SetLittleEndian --
+func (x *Fr) SetLittleEndian(buf []byte) error {
+	// #nosec
+	err := C.mclBnFr_setLittleEndian(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnFr_setLittleEndian %x", err)
+	}
+	return nil
+}
+
+// IsEqual --
+func (x *Fr) IsEqual(rhs *Fr) bool {
+	return C.mclBnFr_isEqual(x.getPointer(), rhs.getPointer()) == 1
+}
+
+// IsZero --
+func (x *Fr) IsZero(rhs *Fr) bool {
+	return C.mclBnFr_isZero(x.getPointer()) == 1
+}
+
+// IsOne --
+func (x *Fr) IsOne(rhs *Fr) bool {
+	return C.mclBnFr_isOne(x.getPointer()) == 1
+}
+
+// SetByCSPRNG --
+func (x *Fr) SetByCSPRNG() error {
+	err := C.mclBnFr_setByCSPRNG(x.getPointer())
+	if err != 0 {
+		return fmt.Errorf("err mclBnFr_setByCSPRNG")
+	}
+	return nil
+}
+
+// SetHashOf --
+func (x *Fr) SetHashOf(buf []byte) bool {
+	return C.mclBnFr_setHashOf(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf))) == 1
+}
+
+// GetString --
+func (x *Fr) GetString(base int) string {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnFr_getStr((*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), x.getPointer(), C.int(base))
+	if n == 0 {
+		panic("err mclBnFr_getStr")
+	}
+	return string(buf[:n])
+}
+
+// Serialize --
+func (x *Fr) Serialize() []byte {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnFr_serialize(unsafe.Pointer(&buf[0]), C.size_t(len(buf)), x.getPointer())
+	if n == 0 {
+		panic("err mclBnFr_serialize")
+	}
+	return buf[:n]
+}
+
+// FrNeg --
+func FrNeg(out *Fr, x *Fr) {
+	C.mclBnFr_neg(out.getPointer(), x.getPointer())
+}
+
+// FrInv --
+func FrInv(out *Fr, x *Fr) {
+	C.mclBnFr_inv(out.getPointer(), x.getPointer())
+}
+
+// FrAdd --
+func FrAdd(out *Fr, x *Fr, y *Fr) {
+	C.mclBnFr_add(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// FrSub --
+func FrSub(out *Fr, x *Fr, y *Fr) {
+	C.mclBnFr_sub(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// FrMul --
+func FrMul(out *Fr, x *Fr, y *Fr) {
+	C.mclBnFr_mul(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// FrDiv --
+func FrDiv(out *Fr, x *Fr, y *Fr) {
+	C.mclBnFr_div(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+////////////////////////////////////////////
+// G1 --
+type G1 struct {
+	v C.mclBnG1
+}
+
+// getPointer --
+func (x *G1) getPointer() (p *C.mclBnG1) {
+	// #nosec
+	return (*C.mclBnG1)(unsafe.Pointer(x))
+}
+
+// Clear --
+func (x *G1) Clear() {
+	// #nosec
+	C.mclBnG1_clear(x.getPointer())
+}
+
+// SetString --
+func (x *G1) SetString(s string, base int) error {
+	buf := []byte(s)
+	// #nosec
+	err := C.mclBnG1_setStr(x.getPointer(), (*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), C.int(base))
+	if err != 0 {
+		return fmt.Errorf("err mclBnG1_setStr %x", err)
+	}
+	return nil
+}
+
+// Deserialize --
+func (x *G1) Deserialize(buf []byte) error {
+	// #nosec
+	err := C.mclBnG1_deserialize(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnG1_deserialize %x", buf)
+	}
+	return nil
+}
+
+// IsEqual --
+func (x *G1) IsEqual(rhs *G1) bool {
+	return C.mclBnG1_isEqual(x.getPointer(), rhs.getPointer()) == 1
+}
+
+// IsEqual --
+func (x *G1) IsZero(rhs *G1) bool {
+	return C.mclBnG1_isZero(x.getPointer()) == 1
+}
+
+// HashAndMapTo --
+func (x *G1) HashAndMapTo(buf []byte) error {
+	// #nosec
+	err := C.mclBnG1_hashAndMapTo(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnG1_hashAndMapTo %x", err)
+	}
+	return nil
+}
+
+// GetString --
+func (x *G1) GetString(base int) string {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnG1_getStr((*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), x.getPointer(), C.int(base))
+	if n == 0 {
+		panic("err mclBnG1_getStr")
+	}
+	return string(buf[:n])
+}
+
+// Serialize --
+func (x *G1) Serialize() []byte {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnG1_serialize(unsafe.Pointer(&buf[0]), C.size_t(len(buf)), x.getPointer())
+	if n == 0 {
+		panic("err mclBnG1_serialize")
+	}
+	return buf[:n]
+}
+
+// G1Neg --
+func G1Neg(out *G1, x *G1) {
+	C.mclBnG1_neg(out.getPointer(), x.getPointer())
+}
+
+// G1Dbl --
+func G1Dbl(out *G1, x *G1) {
+	C.mclBnG1_dbl(out.getPointer(), x.getPointer())
+}
+
+// G1Add --
+func G1Add(out *G1, x *G1, y *G1) {
+	C.mclBnG1_add(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// G1Sub --
+func G1Sub(out *G1, x *G1, y *G1) {
+	C.mclBnG1_sub(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// G1Mul --
+func G1Mul(out *G1, x *G1, y *Fr) {
+	C.mclBnG1_mul(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+////////////////////////////////////////////
+// G2 --
+type G2 struct {
+	v C.mclBnG1
+}
+
+// getPointer --
+func (x *G2) getPointer() (p *C.mclBnG2) {
+	// #nosec
+	return (*C.mclBnG2)(unsafe.Pointer(x))
+}
+
+// Clear --
+func (x *G2) Clear() {
+	// #nosec
+	C.mclBnG2_clear(x.getPointer())
+}
+
+// SetString --
+func (x *G2) SetString(s string, base int) error {
+	buf := []byte(s)
+	// #nosec
+	err := C.mclBnG2_setStr(x.getPointer(), (*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), C.int(base))
+	if err != 0 {
+		return fmt.Errorf("err mclBnG2_setStr %x", err)
+	}
+	return nil
+}
+
+// Deserialize --
+func (x *G2) Deserialize(buf []byte) error {
+	// #nosec
+	err := C.mclBnG2_deserialize(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnG2_deserialize %x", buf)
+	}
+	return nil
+}
+
+// IsEqual --
+func (x *G2) IsEqual(rhs *G2) bool {
+	return C.mclBnG2_isEqual(x.getPointer(), rhs.getPointer()) == 1
+}
+
+// IsEqual --
+func (x *G2) IsZero(rhs *G2) bool {
+	return C.mclBnG2_isZero(x.getPointer()) == 1
+}
+
+// HashAndMapTo --
+func (x *G2) HashAndMapTo(buf []byte) error {
+	// #nosec
+	err := C.mclBnG2_hashAndMapTo(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnG2_hashAndMapTo %x", err)
+	}
+	return nil
+}
+
+// GetString --
+func (x *G2) GetString(base int) string {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnG2_getStr((*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), x.getPointer(), C.int(base))
+	if n == 0 {
+		panic("err mclBnG2_getStr")
+	}
+	return string(buf[:n])
+}
+
+// Serialize --
+func (x *G2) Serialize() []byte {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnG2_serialize(unsafe.Pointer(&buf[0]), C.size_t(len(buf)), x.getPointer())
+	if n == 0 {
+		panic("err mclBnG2_serialize")
+	}
+	return buf[:n]
+}
+
+// G2Neg --
+func G2Neg(out *G2, x *G2) {
+	C.mclBnG2_neg(out.getPointer(), x.getPointer())
+}
+
+// G2Dbl --
+func G2Dbl(out *G2, x *G2) {
+	C.mclBnG2_dbl(out.getPointer(), x.getPointer())
+}
+
+// G1Add --
+func G2Add(out *G2, x *G2, y *G2) {
+	C.mclBnG2_add(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// G2Sub --
+func G2Sub(out *G2, x *G2, y *G2) {
+	C.mclBnG2_sub(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// G2Mul --
+func G2Mul(out *G2, x *G2, y *Fr) {
+	C.mclBnG2_mul(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+///////////////////////////////////////////////////////
+// GT --
+type GT struct {
+	v C.mclBnGT
+}
+
+// getPointer --
+func (x *GT) getPointer() (p *C.mclBnGT) {
+	// #nosec
+	return (*C.mclBnGT)(unsafe.Pointer(x))
+}
+
+// Clear --
+func (x *GT) Clear() {
+	// #nosec
+	C.mclBnGT_clear(x.getPointer())
+}
+
+// SetString --
+func (x *GT) SetString(s string, base int) error {
+	buf := []byte(s)
+	// #nosec
+	err := C.mclBnGT_setStr(x.getPointer(), (*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), C.int(base))
+	if err != 0 {
+		return fmt.Errorf("err mclBnGT_setStr %x", err)
+	}
+	return nil
+}
+
+// Deserialize --
+func (x *GT) Deserialize(buf []byte) error {
+	// #nosec
+	err := C.mclBnGT_deserialize(x.getPointer(), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
+	if err != 0 {
+		return fmt.Errorf("err mclBnGT_deserialize %x", buf)
+	}
+	return nil
+}
+
+// IsEqual --
+func (x *GT) IsEqual(rhs *GT) bool {
+	return C.mclBnGT_isEqual(x.getPointer(), rhs.getPointer()) == 1
+}
+
+// IsZero --
+func (x *GT) IsZero(rhs *GT) bool {
+	return C.mclBnGT_isZero(x.getPointer()) == 1
+}
+
+// IsOne --
+func (x *GT) IsOne(rhs *GT) bool {
+	return C.mclBnGT_isOne(x.getPointer()) == 1
+}
+
+// GetString --
+func (x *GT) GetString(base int) string {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnGT_getStr((*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf)), x.getPointer(), C.int(base))
+	if n == 0 {
+		panic("err mclBnGT_getStr")
+	}
+	return string(buf[:n])
+}
+
+// Serialize --
+func (x *GT) Serialize() []byte {
+	buf := make([]byte, 1024)
+	// #nosec
+	n := C.mclBnGT_serialize(unsafe.Pointer(&buf[0]), C.size_t(len(buf)), x.getPointer())
+	if n == 0 {
+		panic("err mclBnGT_serialize")
+	}
+	return buf[:n]
+}
+
+// GTNeg --
+func GTNeg(out *GT, x *GT) {
+	C.mclBnGT_neg(out.getPointer(), x.getPointer())
+}
+
+// GTInv --
+func GTInv(out *GT, x *GT) {
+	C.mclBnGT_inv(out.getPointer(), x.getPointer())
+}
+
+// GTAdd --
+func GTAdd(out *GT, x *GT, y *GT) {
+	C.mclBnGT_add(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// GTSub --
+func GTSub(out *GT, x *GT, y *GT) {
+	C.mclBnGT_sub(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// GTMul --
+func GTMul(out *GT, x *GT, y *GT) {
+	C.mclBnGT_mul(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// GTDiv --
+func GTDiv(out *GT, x *GT, y *GT) {
+	C.mclBnGT_div(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// GTPow --
+func GTPow(out *GT, x *GT, y *Fr) {
+	C.mclBnGT_pow(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+//////////////////////
+// Pairing --
+func Pairing(out *GT, x *G1, y *G2) {
+	C.mclBn_pairing(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// FinalExp --
+func FinalExp(out *GT, x *G1, y *G2) {
+	C.mclBn_pairing(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// MillerLoop --
+func MillerLoop(out *GT, x *G1, y *G2) {
+	C.mclBn_pairing(out.getPointer(), x.getPointer(), y.getPointer())
+}
+
+// GetUint64NumToPrecompute --
+func GetUint64NumToPrecompute() int {
+	return int(C.mclBn_getUint64NumToPrecompute())
+}
+
+// PrecomputeG2 --
+func PrecomputeG2(Qbuf []uint64, Q *G2) {
+	C.mclBn_precomputeG2((*C.uint64_t)(unsafe.Pointer(&Qbuf[0])), Q.getPointer())
+}
+
+// PrecomputedMillerLoop --
+func PrecomputedMillerLoop(out *GT, P *G1, Qbuf []uint64) {
+	C.mclBn_precomputedMillerLoop(out.getPointer(), P.getPointer(), (*C.uint64_t)(unsafe.Pointer(&Qbuf[0])))
+}
+
+// PrecomputedMillerLoop2 --
+func PrecomputedMillerLoop2(out *GT, P1 *G1, Q1buf []uint64, P2 *G1, Q2buf []uint64) {
+	C.mclBn_precomputedMillerLoop2(out.getPointer(), P1.getPointer(), (*C.uint64_t)(unsafe.Pointer(&Q1buf[0])), P1.getPointer(), (*C.uint64_t)(unsafe.Pointer(&Q1buf[0])))
+}
+