diff options
Diffstat (limited to 'ffi/go/bls/mcl.go')
-rw-r--r-- | ffi/go/bls/mcl.go | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/ffi/go/bls/mcl.go b/ffi/go/bls/mcl.go new file mode 100644 index 0000000..00feebc --- /dev/null +++ b/ffi/go/bls/mcl.go @@ -0,0 +1,629 @@ +package bls + +/* +#cgo CFLAGS:-DMCLBN_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 + +// BLS12_381 +const BLS12_381 = C.MCL_BLS12_381 + +// GetMaxOpUnitSize -- +func GetMaxOpUnitSize() int { + return int(C.MCLBN_FP_UNIT_SIZE) +} + +// GetOpUnitSize -- +// the length of Fr is GetOpUnitSize() * 8 bytes +func GetOpUnitSize() int { + return int(C.mclBn_getOpUnitSize()) +} + +// GetCurveOrder -- +// return the order of G1 +func GetCurveOrder() string { + buf := make([]byte, 1024) + // #nosec + n := C.mclBn_getCurveOrder((*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf))) + if n == 0 { + panic("implementation err. size of buf is small") + } + return string(buf[:n]) +} + +// GetFieldOrder -- +// return the characteristic of the field where a curve is defined +func GetFieldOrder() string { + buf := make([]byte, 1024) + // #nosec + n := C.mclBn_getFieldOrder((*C.char)(unsafe.Pointer(&buf[0])), C.size_t(len(buf))) + if n == 0 { + panic("implementation err. size of buf is small") + } + return string(buf[:n]) +} + +// 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()) +} + +// SetInt64 -- +func (x *Fr) SetInt64(v int64) { + // #nosec + C.mclBnFr_setInt(x.getPointer(), C.int64_t(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() bool { + return C.mclBnFr_isZero(x.getPointer()) == 1 +} + +// IsOne -- +func (x *Fr) IsOne() bool { + return C.mclBnFr_isOne(x.getPointer()) == 1 +} + +// SetByCSPRNG -- +func (x *Fr) SetByCSPRNG() { + err := C.mclBnFr_setByCSPRNG(x.getPointer()) + if err != 0 { + panic("err mclBnFr_setByCSPRNG") + } +} + +// SetHashOf -- +func (x *Fr) SetHashOf(buf []byte) bool { + // #nosec + 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, 2048) + // #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, 2048) + // #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 +} + +// IsZero -- +func (x *G1) IsZero() 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, 2048) + // #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, 2048) + // #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()) +} + +// G1MulCT -- constant time (depending on bit lengh of y) +func G1MulCT(out *G1, x *G1, y *Fr) { + C.mclBnG1_mulCT(out.getPointer(), x.getPointer(), y.getPointer()) +} + +// G2 -- +type G2 struct { + v C.mclBnG2 +} + +// 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 +} + +// IsZero -- +func (x *G2) IsZero() 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, 2048) + // #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, 2048) + // #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()) +} + +// G2Add -- +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()) +} + +// SetInt64 -- +func (x *GT) SetInt64(v int64) { + // #nosec + C.mclBnGT_setInt(x.getPointer(), C.int64_t(v)) +} + +// 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() bool { + return C.mclBnGT_isZero(x.getPointer()) == 1 +} + +// IsOne -- +func (x *GT) IsOne() bool { + return C.mclBnGT_isOne(x.getPointer()) == 1 +} + +// GetString -- +func (x *GT) GetString(base int) string { + buf := make([]byte, 2048) + // #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, 2048) + // #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 *GT) { + C.mclBn_finalExp(out.getPointer(), x.getPointer()) +} + +// MillerLoop -- +func MillerLoop(out *GT, x *G1, y *G2) { + C.mclBn_millerLoop(out.getPointer(), x.getPointer(), y.getPointer()) +} + +// GetUint64NumToPrecompute -- +func GetUint64NumToPrecompute() int { + return int(C.mclBn_getUint64NumToPrecompute()) +} + +// PrecomputeG2 -- +func PrecomputeG2(Qbuf []uint64, Q *G2) { + // #nosec + C.mclBn_precomputeG2((*C.uint64_t)(unsafe.Pointer(&Qbuf[0])), Q.getPointer()) +} + +// PrecomputedMillerLoop -- +func PrecomputedMillerLoop(out *GT, P *G1, Qbuf []uint64) { + // #nosec + 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) { + // #nosec + C.mclBn_precomputedMillerLoop2(out.getPointer(), P1.getPointer(), (*C.uint64_t)(unsafe.Pointer(&Q1buf[0])), P1.getPointer(), (*C.uint64_t)(unsafe.Pointer(&Q1buf[0]))) +} + +// FrEvaluatePolynomial -- y = c[0] + c[1] * x + c[2] * x^2 + ... +func FrEvaluatePolynomial(y *Fr, c []Fr, x *Fr) error { + // #nosec + err := C.mclBn_FrEvaluatePolynomial(y.getPointer(), (*C.mclBnFr)(unsafe.Pointer(&c[0])), (C.size_t)(len(c)), x.getPointer()) + if err != 0 { + return fmt.Errorf("err mclBn_FrEvaluatePolynomial") + } + return nil +} + +// G1EvaluatePolynomial -- y = c[0] + c[1] * x + c[2] * x^2 + ... +func G1EvaluatePolynomial(y *G1, c []G1, x *Fr) error { + // #nosec + err := C.mclBn_G1EvaluatePolynomial(y.getPointer(), (*C.mclBnG1)(unsafe.Pointer(&c[0])), (C.size_t)(len(c)), x.getPointer()) + if err != 0 { + return fmt.Errorf("err mclBn_G1EvaluatePolynomial") + } + return nil +} + +// G2EvaluatePolynomial -- y = c[0] + c[1] * x + c[2] * x^2 + ... +func G2EvaluatePolynomial(y *G2, c []G2, x *Fr) error { + // #nosec + err := C.mclBn_G2EvaluatePolynomial(y.getPointer(), (*C.mclBnG2)(unsafe.Pointer(&c[0])), (C.size_t)(len(c)), x.getPointer()) + if err != 0 { + return fmt.Errorf("err mclBn_G2EvaluatePolynomial") + } + return nil +} + +// FrLagrangeInterpolation -- +func FrLagrangeInterpolation(out *Fr, xVec []Fr, yVec []Fr) error { + if len(xVec) != len(yVec) { + return fmt.Errorf("err FrLagrangeInterpolation:bad size") + } + // #nosec + err := C.mclBn_FrLagrangeInterpolation(out.getPointer(), (*C.mclBnFr)(unsafe.Pointer(&xVec[0])), (*C.mclBnFr)(unsafe.Pointer(&yVec[0])), (C.size_t)(len(xVec))) + if err != 0 { + return fmt.Errorf("err FrLagrangeInterpolation") + } + return nil +} + +// G1LagrangeInterpolation -- +func G1LagrangeInterpolation(out *G1, xVec []Fr, yVec []G1) error { + if len(xVec) != len(yVec) { + return fmt.Errorf("err G1LagrangeInterpolation:bad size") + } + // #nosec + err := C.mclBn_G1LagrangeInterpolation(out.getPointer(), (*C.mclBnFr)(unsafe.Pointer(&xVec[0])), (*C.mclBnG1)(unsafe.Pointer(&yVec[0])), (C.size_t)(len(xVec))) + if err != 0 { + return fmt.Errorf("err G1LagrangeInterpolation") + } + return nil +} + +// G2LagrangeInterpolation -- +func G2LagrangeInterpolation(out *G2, xVec []Fr, yVec []G2) error { + if len(xVec) != len(yVec) { + return fmt.Errorf("err G2LagrangeInterpolation:bad size") + } + // #nosec + err := C.mclBn_G2LagrangeInterpolation(out.getPointer(), (*C.mclBnFr)(unsafe.Pointer(&xVec[0])), (*C.mclBnG2)(unsafe.Pointer(&yVec[0])), (C.size_t)(len(xVec))) + if err != 0 { + return fmt.Errorf("err G2LagrangeInterpolation") + } + return nil +} |