demo

API

curveType

• MCLBN_CURVE_FP254BNB = 0
• MCLBN_CURVE_FP382_1 = 1
• MCLBN_CURVE_FP382_2 = 2

object

blsId

equal to mclBnFr ; create by blsId_malloc()

blsSecretKey

equal to mclBnFr ; create by blsSecretKey_malloc()

blsPrivateKey

equal to mclBnG1 ; create by blsPrivateKeyKey_malloc()

blsPublicKey

equal to mclBnG2 ; create by blsPublicKey_malloc()

blsSignature ; create by blsSignatureKey_malloc()

equal to mclG1

api

int blsInit(int curve, int maxUnitSize)

curve = curveType, maxUnitSize = 6

string blsGetCurveOrder()

return the order of a group

string blsGetFieldOrder()

return the order of an finite field

blsGetGeneratorOfG2(blsPublicKey pub)

set pub to a generator of G2

blsIdSetInt(blsId id, int x)

set id by x

blsIdSetDecStr(blsId id, string s)

set id by decimal string s

blsIdSetHexStr(blsId id, string s)

set id by hexagonal string s

string blsIdGetDecStr(blsId id)

get decimal string of id

string blsIdGetHexStr(blsId id)

return hexiagonal string of id

Uint8Array blsIdSerialize(blsId id)

return Uint8Array of serialized id

Uint8Array blsSecretKeySerialize(blsSecretKey sec)

return Uint8Array of serialized sec

Uint8Array blsPublicKeySerialize(blsPublicKey pub)

return Uint8Array of serialized pub

Uint8Array blsSignatureSerialize(blsSignature sig)

return Uint8Array of serialized sig

blsIdDeserialize(blsId id, Uint8Array a)

set id by a

blsSecretKeyDeserialize(blsSecretKey sec, Uint8Array a)

set sec by a

blsPublicKeyDeserialize(blsPublicKey pub, Uint8Array a)

set pub by a

blsSignatureDeserialize(blsSignature sig, Uint8Array a)

set sig by a

blsIdIsEqual(blsId lhs, blsId rhs)

return 1 if lhs == rhs

blsSecretKeyIsEqual(blsSecretKey lhs, blsSecretKey rhs)

return 1 if lhs == rhs

blsPublicKeyIsEqual(blsPublicKey lhs, blsPublicKey rhs)

return 1 if lhs == rhs

blsSignatureIsEqual(blsSignature lhs, blsSignature rhs)

return 1 if lhs == rhs

blsSecretKeyAdd(blsSecretKey sec, blsSecretKey rhs)

sec += rhs

blsPublicKeyAdd(blsPublicKey pub, blsPublicKey rhs)

sec += rhs

blsSignatureAdd(blsSignature sig, blsSignature rhs)

sec += rhs

blsHashToSecretKey(blsSecretKey sec, (string|Uint8Array) s)

set sec by hash(s)

blsSecretKeySetByCSPRNG(blsSecretKey sec)

set sec by random number generator

blsGetPublicKey(blsPublicKey pub, blsSecretKey sec)

set public key pub by secret key sec

blsSecretKeyShare(blsSecretKey sec, array of blsSecretKey msk, blsId id)

share secret key sec by array of blsSecretKey msk with id

blsPublicKeyShare(blsPublicKey pub, array of blsPublicKey mpk, blsId id)

share public key pub by array of blsPublicKey mpk with id

blsSecretKeyRecover(blsSecretKey sec, array of blsSecretKey secVec, array of blsId idVec)

recover sec by n array of secVec and idVec

blsPublicKeyRecover(blsPublicKey pub, array of blsPublicKey pubVec, array of blsId idVec)

recover pub by n array of pubVec and idVec

blsSignatureRecover(blsSignature sig, array of blsSignature sigVec, array of blsId idVec)

recover sig by n array of sigVec and idVec

blsSign(blsSignature sig, blsSecretKey sec, (string|Uint8Array) m)

set sig by signing message m with sec

blsVerify(blsSignature sig, blsPublicKey pub, (string|Uint8Array) m)

verify sig by pub and message m