path: root/src/bls_c.cpp

#include <iostream>
#include <sstream>
#include <vector>
#include <string>
#include <iosfwd>
#include <stdint.h>
#include <memory.h>
#include "../mcl/src/bn_c_impl.hpp"
#define BLS_DLL_EXPORT

#include <bls/bls.h>
/////////////////////////////////////////////////////////////
namespace bls2 {

// same value with IoMode of mcl/op.hpp
enum {
    IoBin = 2, // binary number
    IoDec = 10, // decimal number
    IoHex = 16, // hexadecimal number
    IoFixedByteSeq = 512 // fixed byte representation
};

namespace impl {

struct SecretKey;
struct PublicKey;
struct Signature;
struct Id;

} // bls2::impl

/*
    BLS signature
    e : G2 x G1 -> Fp12
    Q in G2 ; fixed global parameter
    H : {str} -> G1
    s : secret key
    sQ ; public key
    s H(m) ; signature of m
    verify ; e(sQ, H(m)) = e(Q, s H(m))
*/

class SecretKey;
class PublicKey;
class Signature;
class Id;

/*
    the value of secretKey and Id must be less than
    r = 0x2523648240000001ba344d8000000007ff9f800000000010a10000000000000d
    sizeof(uint64_t) * keySize byte
*/
const size_t keySize = MCLBN_FP_UNIT_SIZE;

typedef std::vector<SecretKey> SecretKeyVec;
typedef std::vector<PublicKey> PublicKeyVec;
typedef std::vector<Signature> SignatureVec;
typedef std::vector<Id> IdVec;

class Id {
    blsId self_;
    friend class PublicKey;
    friend class SecretKey;
    template<class T, class G> friend struct WrapArray;
    impl::Id& getInner() { return *reinterpret_cast<impl::Id*>(this); }
    const impl::Id& getInner() const { return *reinterpret_cast<const impl::Id*>(this); }
public:
    Id(unsigned int id = 0);
    bool operator==(const Id& rhs) const;
    bool operator!=(const Id& rhs) const { return !(*this == rhs); }
    friend std::ostream& operator<<(std::ostream& os, const Id& id);
    friend std::istream& operator>>(std::istream& is, Id& id);
    void getStr(std::string& str, int ioMode = 0) const;
    void setStr(const std::string& str, int ioMode = 0);
    bool isZero() const;
    /*
        set p[0, .., keySize)
        @note the value must be less than r
    */
    void set(const uint64_t *p);
    // bufSize is truncted/zero extended to keySize
    void setLittleEndian(const void *buf, size_t bufSize);
};

/*
    s ; secret key
*/
class SecretKey {
    blsSecretKey self_;
    template<class T, class G> friend struct WrapArray;
    impl::SecretKey& getInner() { return *reinterpret_cast<impl::SecretKey*>(this); }
    const impl::SecretKey& getInner() const { return *reinterpret_cast<const impl::SecretKey*>(this); }
public:
    SecretKey() : self_() {}
    bool operator==(const SecretKey& rhs) const;
    bool operator!=(const SecretKey& rhs) const { return !(*this == rhs); }
    friend std::ostream& operator<<(std::ostream& os, const SecretKey& sec);
    friend std::istream& operator>>(std::istream& is, SecretKey& sec);
    void getStr(std::string& str, int ioMode = 0) const;
    void setStr(const std::string& str, int ioMode = 0);
    /*
        initialize secretKey with random number and set id = 0
    */
    void init();
    /*
        set secretKey with p[0, .., keySize) and set id = 0
        @note the value must be less than r
    */
    void set(const uint64_t *p);
    // bufSize is truncted/zero extended to keySize
    void setLittleEndian(const void *buf, size_t bufSize);
    // set hash of buf
    void setHashOf(const void *buf, size_t bufSize);
    void getPublicKey(PublicKey& pub) const;
    // constant time sign
    void sign(Signature& sig, const std::string& m) const;
    /*
        make Pop(Proof of Possesion)
        pop = prv.sign(pub)
    */
    void getPop(Signature& pop) const;
    /*
        make [s_0, ..., s_{k-1}] to prepare k-out-of-n secret sharing
    */
    void getMasterSecretKey(SecretKeyVec& msk, size_t k) const;
    /*
        set a secret key for id > 0 from msk
    */
    void set(const SecretKeyVec& msk, const Id& id)
    {
        set(msk.data(), msk.size(), id);
    }
    /*
        recover secretKey from k secVec
    */
    void recover(const SecretKeyVec& secVec, const IdVec& idVec);
    /*
        add secret key
    */
    void add(const SecretKey& rhs);

    // the following methods are for C api
    /*
        the size of msk must be k
    */
    void set(const SecretKey *msk, size_t k, const Id& id);
    void recover(const SecretKey *secVec, const Id *idVec, size_t n);
};

/*
    sQ ; public key
*/
class PublicKey {
    blsPublicKey self_;
    friend class SecretKey;
    friend class Signature;
    template<class T, class G> friend struct WrapArray;
    impl::PublicKey& getInner() { return *reinterpret_cast<impl::PublicKey*>(this); }
    const impl::PublicKey& getInner() const { return *reinterpret_cast<const impl::PublicKey*>(this); }
public:
    PublicKey() : self_() {}
    bool operator==(const PublicKey& rhs) const;
    bool operator!=(const PublicKey& rhs) const { return !(*this == rhs); }
    friend std::ostream& operator<<(std::ostream& os, const PublicKey& pub);
    friend std::istream& operator>>(std::istream& is, PublicKey& pub);
    void getStr(std::string& str, int ioMode = 0) const;
    void setStr(const std::string& str, int ioMode = 0);
    /*
        set public for id from mpk
    */
    void set(const PublicKeyVec& mpk, const Id& id)
    {
        set(mpk.data(), mpk.size(), id);
    }
    /*
        recover publicKey from k pubVec
    */
    void recover(const PublicKeyVec& pubVec, const IdVec& idVec);
    /*
        add public key
    */
    void add(const PublicKey& rhs);

    // the following methods are for C api
    void set(const PublicKey *mpk, size_t k, const Id& id);
    void recover(const PublicKey *pubVec, const Id *idVec, size_t n);
};

/*
    s H(m) ; signature
*/
class Signature {
    blsSignature self_;
    friend class SecretKey;
    template<class T, class G> friend struct WrapArray;
    impl::Signature& getInner() { return *reinterpret_cast<impl::Signature*>(this); }
    const impl::Signature& getInner() const { return *reinterpret_cast<const impl::Signature*>(this); }
public:
    Signature() : self_() {}
    bool operator==(const Signature& rhs) const;
    bool operator!=(const Signature& rhs) const { return !(*this == rhs); }
    friend std::ostream& operator<<(std::ostream& os, const Signature& s);
    friend std::istream& operator>>(std::istream& is, Signature& s);
    void getStr(std::string& str, int ioMode = 0) const;
    void setStr(const std::string& str, int ioMode = 0);
    bool verify(const PublicKey& pub, const std::string& m) const;
    /*
        verify self(pop) with pub
    */
    bool verify(const PublicKey& pub) const;
    /*
        recover sig from k sigVec
    */
    void recover(const SignatureVec& sigVec, const IdVec& idVec);
    /*
        add signature
    */
    void add(const Signature& rhs);

    // the following methods are for C api
    void recover(const Signature* sigVec, const Id *idVec, size_t n);
};

/*
    make master public key [s_0 Q, ..., s_{k-1} Q] from msk
*/
inline void getMasterPublicKey(PublicKeyVec& mpk, const SecretKeyVec& msk)
{
    const size_t n = msk.size();
    mpk.resize(n);
    for (size_t i = 0; i < n; i++) {
        msk[i].getPublicKey(mpk[i]);
    }
}

/*
    make pop from msk and mpk
*/
inline void getPopVec(SignatureVec& popVec, const SecretKeyVec& msk)
{
    const size_t n = msk.size();
    popVec.resize(n);
    for (size_t i = 0; i < n; i++) {
        msk[i].getPop(popVec[i]);
    }
}

inline Signature operator+(const Signature& a, const Signature& b) { Signature r(a); r.add(b); return r; }
inline PublicKey operator+(const PublicKey& a, const PublicKey& b) { PublicKey r(a); r.add(b); return r; }
inline SecretKey operator+(const SecretKey& a, const SecretKey& b) { SecretKey r(a); r.add(b); return r; }

} //bls2
////////////////////////////////////////////////////////////////
typedef std::vector<Fr> FrVec;

static cybozu::RandomGenerator& getRG()
{
    static cybozu::RandomGenerator rg;
    return rg;
}

static const std::vector<Fp6> *g_pQcoeff;
static const G2 *g_pQ;

namespace bls2 {

static const G2& getQ() { return *g_pQ; }
static const std::vector<Fp6>& getQcoeff() { return *g_pQcoeff; }

static void HashAndMapToG1(G1& P, const std::string& m)
{
    Fp t;
    t.setHashOf(m);
    BN::mapToG1(P, t);
}

template<class T, class G, class Vec>
void evalPoly(G& y, const T& x, const Vec& c)
{
    if (c.size() < 2) throw cybozu::Exception("bls:evalPoly:bad size") << c.size();
    y = c[c.size() - 1];
    for (int i = (int)c.size() - 2; i >= 0; i--) {
        G::mul(y, y, x);
        G::add(y, y, c[i]);
    }
}

template<class T, class G>
struct WrapArray {
    const T *v;
    size_t k;
    WrapArray(const T *v, size_t k) : v(v), k(k) {}
    const G& operator[](size_t i) const
    {
        return v[i].getInner().get();
    }
    size_t size() const { return k; }
};

struct Polynomial {
    FrVec c; // f[x] = sum_{i=0}^{k-1} c[i] x^i
    void init(const Fr& s, int k)
    {
        if (k < 2) throw cybozu::Exception("bls:Polynomial:init:bad k") << k;
        c.resize(k);
        c[0] = s;
        for (size_t i = 1; i < c.size(); i++) {
            c[i].setRand(getRG());
        }
    }
    // y = f(id)
    void eval(Fr& y, const Fr& id) const
    {
        if (id.isZero()) throw cybozu::Exception("bls:Polynomial:eval:id is zero");
        evalPoly(y, id, c);
    }
};

namespace impl {

struct Id {
    Fr v;
    const Fr& get() const { return v; }
};

struct SecretKey {
    Fr s;
    const Fr& get() const { return s; }
};

struct Signature {
    G1 sHm; // s Hash(m)
    const G1& get() const { return sHm; }
};

struct PublicKey {
    G2 sQ;
    const G2& get() const { return sQ; }
    void getStr(std::string& str) const
    {
        sQ.getStr(str, mcl::IoArrayRaw);
    }
};

} // mcl::bls::impl

/*
    recover f(0) by { (x, y) | x = S[i], y = f(x) = vec[i] }
*/
template<class G, class V1, class V2>
void LagrangeInterpolation(G& r, const V1& vec, const V2& S)
{
    /*
        delta_{i,S}(0) = prod_{j != i} S[j] / (S[j] - S[i]) = a / b
        where a = prod S[j], b = S[i] * prod_{j != i} (S[j] - S[i])
    */
    const size_t k = S.size();
    if (vec.size() != k) throw cybozu::Exception("bls:LagrangeInterpolation:bad size") << vec.size() << k;
    if (k < 2) throw cybozu::Exception("bls:LagrangeInterpolation:too small size") << k;
    FrVec delta(k);
    Fr a = S[0];
    for (size_t i = 1; i < k; i++) {
        a *= S[i];
    }
    for (size_t i = 0; i < k; i++) {
        Fr b = S[i];
        for (size_t j = 0; j < k; j++) {
            if (j != i) {
                Fr v = S[j] - S[i];
                if (v.isZero()) throw cybozu::Exception("bls:LagrangeInterpolation:S has same id") << i << j;
                b *= v;
            }
        }
        delta[i] = a / b;
    }

    /*
        f(0) = sum_i f(S[i]) delta_{i,S}(0)
    */
    r.clear();
    G t;
    for (size_t i = 0; i < delta.size(); i++) {
        G::mul(t, vec[i], delta[i]);
        r += t;
    }
}

template<class T>
std::ostream& writeAsHex(std::ostream& os, const T& t)
{
    std::string str;
    t.getStr(str, mcl::IoHexPrefix);
    return os << str;
}

Id::Id(unsigned int id)
{
    getInner().v = id;
}

bool Id::operator==(const Id& rhs) const
{
    return getInner().v == rhs.getInner().v;
}

std::ostream& operator<<(std::ostream& os, const Id& id)
{
    return writeAsHex(os, id.getInner().v);
}

std::istream& operator>>(std::istream& is, Id& id)
{
    return is >> id.getInner().v;
}
void Id::getStr(std::string& str, int ioMode) const
{
    getInner().v.getStr(str, ioMode);
}
void Id::setStr(const std::string& str, int ioMode)
{
    getInner().v.setStr(str, ioMode);
}

bool Id::isZero() const
{
    return getInner().v.isZero();
}

void Id::set(const uint64_t *p)
{
    getInner().v.setArrayMask(p, keySize);
}

void Id::setLittleEndian(const void *buf, size_t bufSize)
{
    getInner().v.setArrayMask((const char *)buf, bufSize);
}

bool Signature::operator==(const Signature& rhs) const
{
    return getInner().sHm == rhs.getInner().sHm;
}

std::ostream& operator<<(std::ostream& os, const Signature& s)
{
    return writeAsHex(os, s.getInner().sHm);
}

std::istream& operator>>(std::istream& os, Signature& s)
{
    return os >> s.getInner().sHm;
}
void Signature::getStr(std::string& str, int ioMode) const
{
    getInner().sHm.getStr(str, ioMode);
}
void Signature::setStr(const std::string& str, int ioMode)
{
    getInner().sHm.setStr(str, ioMode);
}

bool Signature::verify(const PublicKey& pub, const std::string& m) const
{
    G1 Hm;
    HashAndMapToG1(Hm, m); // Hm = Hash(m)
#if 1
    /*
        e(P1, Q1) == e(P2, Q2)
        <=> finalExp(ML(P1, Q1)) == finalExp(ML(P2, Q2))
        <=> finalExp(ML(P1, Q1) / ML(P2, Q2)) == 1
        <=> finalExp(ML(P1, Q1) * ML(-P2, Q2)) == 1
        2.1Mclk => 1.5Mclk
    */
    Fp12 e;
    std::vector<Fp6> Q2coeff;
    BN::precomputeG2(Q2coeff, pub.getInner().sQ);
    BN::precomputedMillerLoop2(e, getInner().sHm, getQcoeff(), -Hm, Q2coeff);
    BN::finalExp(e, e);
    return e.isOne();
#else
    Fp12 e1, e2;
    BN::pairing(e1, getInner().sHm, getQ()); // e(s Hm, Q)
    BN::pairing(e2, Hm, pub.getInner().sQ); // e(Hm, sQ)
    return e1 == e2;
#endif
}

bool Signature::verify(const PublicKey& pub) const
{
    std::string str;
    pub.getInner().sQ.getStr(str);
    return verify(pub, str);
}

void Signature::recover(const SignatureVec& sigVec, const IdVec& idVec)
{
    if (sigVec.size() != idVec.size()) throw cybozu::Exception("Signature:recover:bad size") << sigVec.size() << idVec.size();
    recover(sigVec.data(), idVec.data(), sigVec.size());
}

void Signature::recover(const Signature* sigVec, const Id *idVec, size_t n)
{
    WrapArray<Signature, G1> signW(sigVec, n);
    WrapArray<Id, Fr> idW(idVec, n);
    LagrangeInterpolation(getInner().sHm, signW, idW);
}

void Signature::add(const Signature& rhs)
{
    getInner().sHm += rhs.getInner().sHm;
}

bool PublicKey::operator==(const PublicKey& rhs) const
{
    return getInner().sQ == rhs.getInner().sQ;
}

std::ostream& operator<<(std::ostream& os, const PublicKey& pub)
{
    return writeAsHex(os, pub.getInner().sQ);
}

std::istream& operator>>(std::istream& is, PublicKey& pub)
{
    return is >> pub.getInner().sQ;
}

void PublicKey::getStr(std::string& str, int ioMode) const
{
    getInner().sQ.getStr(str, ioMode);
}
void PublicKey::setStr(const std::string& str, int ioMode)
{
    getInner().sQ.setStr(str, ioMode);
}
void PublicKey::set(const PublicKey *mpk, size_t k, const Id& id)
{
    WrapArray<PublicKey, G2> w(mpk, k);
    evalPoly(getInner().sQ, id.getInner().v, w);
}

void PublicKey::recover(const PublicKeyVec& pubVec, const IdVec& idVec)
{
    if (pubVec.size() != idVec.size()) throw cybozu::Exception("PublicKey:recover:bad size") << pubVec.size() << idVec.size();
    recover(pubVec.data(), idVec.data(), pubVec.size());
}
void PublicKey::recover(const PublicKey *pubVec, const Id *idVec, size_t n)
{
    WrapArray<PublicKey, G2> pubW(pubVec, n);
    WrapArray<Id, Fr> idW(idVec, n);
    LagrangeInterpolation(getInner().sQ, pubW, idW);
}

void PublicKey::add(const PublicKey& rhs)
{
    getInner().sQ += rhs.getInner().sQ;
}

bool SecretKey::operator==(const SecretKey& rhs) const
{
    return getInner().s == rhs.getInner().s;
}

std::ostream& operator<<(std::ostream& os, const SecretKey& sec)
{
    return writeAsHex(os, sec.getInner().s);
}

std::istream& operator>>(std::istream& is, SecretKey& sec)
{
    return is >> sec.getInner().s;
}
void SecretKey::getStr(std::string& str, int ioMode) const
{
    getInner().s.getStr(str, ioMode);
}
void SecretKey::setStr(const std::string& str, int ioMode)
{
    getInner().s.setStr(str, ioMode);
}

void SecretKey::init()
{
    getInner().s.setRand(getRG());
}

void SecretKey::set(const uint64_t *p)
{
    getInner().s.setArrayMask(p, keySize);
}
void SecretKey::setLittleEndian(const void *buf, size_t bufSize)
{
    getInner().s.setArrayMask((const char *)buf, bufSize);
}
void SecretKey::setHashOf(const void *buf, size_t bufSize)
{
    getInner().s.setHashOf(buf, bufSize);
}

void SecretKey::getPublicKey(PublicKey& pub) const
{
    G2::mul(pub.getInner().sQ, getQ(), getInner().s);
}

void SecretKey::sign(Signature& sig, const std::string& m) const
{
    G1 Hm;
    HashAndMapToG1(Hm, m);
//  G1::mul(sig.getInner().sHm, Hm, getInner().s);
    G1::mulCT(sig.getInner().sHm, Hm, getInner().s);
}

void SecretKey::getPop(Signature& pop) const
{
    PublicKey pub;
    getPublicKey(pub);
    std::string m;
    pub.getInner().sQ.getStr(m);
    sign(pop, m);
}

void SecretKey::getMasterSecretKey(SecretKeyVec& msk, size_t k) const
{
    if (k <= 1) throw cybozu::Exception("bls:SecretKey:getMasterSecretKey:bad k") << k;
    msk.resize(k);
    msk[0] = *this;
    for (size_t i = 1; i < k; i++) {
        msk[i].init();
    }
}

void SecretKey::set(const SecretKey *msk, size_t k, const Id& id)
{
    WrapArray<SecretKey, Fr> w(msk, k);
    evalPoly(getInner().s, id.getInner().v, w);
}

void SecretKey::recover(const SecretKeyVec& secVec, const IdVec& idVec)
{
    if (secVec.size() != idVec.size()) throw cybozu::Exception("SecretKey:recover:bad size") << secVec.size() << idVec.size();
    recover(secVec.data(), idVec.data(), secVec.size());
}
void SecretKey::recover(const SecretKey *secVec, const Id *idVec, size_t n)
{
    WrapArray<SecretKey, Fr> secW(secVec, n);
    WrapArray<Id, Fr> idW(idVec, n);
    LagrangeInterpolation(getInner().s, secW, idW);
}

void SecretKey::add(const SecretKey& rhs)
{
    getInner().s += rhs.getInner().s;
}

} // bls2
////////////////////////////////////////////////////////////////

size_t checkAndCopy(char *buf, size_t maxBufSize, const std::string& s)
{
    if (s.size() > maxBufSize + 1) {
        return 0;
    }
    memcpy(buf, s.c_str(), s.size());
    buf[s.size()] = '\0';
    return s.size();
}

int blsInit(int curve, int maxUnitSize)
    try
{
    if (mclBn_init(curve, maxUnitSize) != 0) return -1;
    static G2 Q;
    if (curve == mclBn_CurveFp254BNb) {
        Q.set(
            Fp2("12723517038133731887338407189719511622662176727675373276651903807414909099441", "4168783608814932154536427934509895782246573715297911553964171371032945126671"),
            Fp2("13891744915211034074451795021214165905772212241412891944830863846330766296736", "7937318970632701341203597196594272556916396164729705624521405069090520231616")
        );
    } else {
        BN::mapToG2(Q, 1);
    }
    static std::vector<Fp6> Qcoeff;

    BN::precomputeG2(Qcoeff, Q);
    g_pQ = &Q;
    g_pQcoeff = &Qcoeff;
    return 0;
} catch (std::exception&) {
    return -1;
}
size_t blsGetOpUnitSize()
{
    return Fp::getUnitSize() * sizeof(mcl::fp::Unit) / sizeof(uint64_t);
}

int blsGetCurveOrder(char *buf, size_t maxBufSize)
    try
{
    std::string s;
    Fr::getModulo(s);
    return (int)checkAndCopy(buf, maxBufSize, s);
} catch (std::exception&) {
    return 0;
}

int blsGetFieldOrder(char *buf, size_t maxBufSize)
    try
{
    std::string s;
    Fp::getModulo(s);
    return (int)checkAndCopy(buf, maxBufSize, s);
} catch (std::exception&) {
    return 0;
}


void blsGetPublicKey(blsPublicKey *pub, const blsSecretKey *sec)
{
    ((const bls2::SecretKey*)sec)->getPublicKey(*(bls2::PublicKey*)pub);
}
void blsSign(blsSignature *sig, const blsSecretKey *sec, const char *m, size_t size)
{
    ((const bls2::SecretKey*)sec)->sign(*(bls2::Signature*)sig, std::string(m, size));
}
int blsSecretKeyShare(blsSecretKey *sec, const blsSecretKey* msk, size_t k, const blsId *id)
    try
{
    ((bls2::SecretKey*)sec)->set((const bls2::SecretKey *)msk, k, *(const bls2::Id*)id);
    return 0;
} catch (std::exception& e) {
    fprintf(stderr, "err blsSecretKeyShare %s\n", e.what());
    return -1;
}

int blsSecretKeyRecover(blsSecretKey *sec, const blsSecretKey *secVec, const blsId *idVec, size_t n)
    try
{
    ((bls2::SecretKey*)sec)->recover((const bls2::SecretKey *)secVec, (const bls2::Id *)idVec, n);
    return 0;
} catch (std::exception& e) {
    fprintf(stderr, "err blsSecretKeyRecover %s\n", e.what());
    return -1;
}

void blsGetPop(blsSignature *sig, const blsSecretKey *sec)
{
    ((const bls2::SecretKey*)sec)->getPop(*(bls2::Signature*)sig);
}
int blsPublicKeyShare(blsPublicKey *pub, const blsPublicKey *mpk, size_t k, const blsId *id)
    try
{
    ((bls2::PublicKey*)pub)->set((const bls2::PublicKey*)mpk, k, *(const bls2::Id*)id);
    return 0;
} catch (std::exception& e) {
    fprintf(stderr, "err blsPublicKeyShare %s\n", e.what());
    return -1;
}
int blsPublicKeyRecover(blsPublicKey *pub, const blsPublicKey *pubVec, const blsId *idVec, size_t n)
    try
{
    ((bls2::PublicKey*)pub)->recover((const bls2::PublicKey*)pubVec, (const bls2::Id*)idVec, n);
    return 0;
} catch (std::exception& e) {
    fprintf(stderr, "err blsPublicKeyRecover %s\n", e.what());
    return -1;
}
int blsSignatureRecover(blsSignature *sig, const blsSignature *sigVec, const blsId *idVec, size_t n)
    try
{
    ((bls2::Signature*)sig)->recover((const bls2::Signature*)sigVec, (const bls2::Id*)idVec, n);
    return 0;
} catch (std::exception& e) {
    fprintf(stderr, "err blsSignatureRecover %s\n", e.what());
    return -1;
}

int blsVerify(const blsSignature *sig, const blsPublicKey *pub, const char *m, size_t size)
{
    return ((const bls2::Signature*)sig)->verify(*(const bls2::PublicKey*)pub, std::string(m, size));
}

int blsVerifyPop(const blsSignature *sig, const blsPublicKey *pub)
{
    return ((const bls2::Signature*)sig)->verify(*(const bls2::PublicKey*)pub);
}

size_t blsIdSerialize(void *buf, size_t maxBufSize, const blsId *id)
{
    return mclBnFr_serialize(buf, maxBufSize, &id->v);
}
size_t blsSecretKeySerialize(void *buf, size_t maxBufSize, const blsSecretKey *sec)
{
    return mclBnFr_serialize(buf, maxBufSize, &sec->v);
}
size_t blsPublicKeySerialize(void *buf, size_t maxBufSize, const blsPublicKey *pub)
{
    return mclBnG2_serialize(buf, maxBufSize, &pub->v);
}
size_t blsSignatureSerialize(void *buf, size_t maxBufSize, const blsSignature *sig)
{
    return mclBnG1_serialize(buf, maxBufSize, &sig->v);
}
int blsIdDeserialize(blsId *id, const void *buf, size_t bufSize)
{
    return mclBnFr_deserialize(&id->v, buf, bufSize);
}
int blsSecretKeyDeserialize(blsSecretKey *sig, const void *buf, size_t bufSize)
{
    return mclBnFr_deserialize(&sig->v, buf, bufSize);
}
int blsPublicKeyDeserialize(blsPublicKey *pub, const void *buf, size_t bufSize)
{
    return mclBnG2_deserialize(&pub->v, buf, bufSize);
}
int blsSignatureDeserialize(blsSignature *sig, const void *buf, size_t bufSize)
{
    return mclBnG1_deserialize(&sig->v, buf, bufSize);
}
int blsIdIsEqual(const blsId *lhs, const blsId *rhs)
{
    return mclBnFr_isEqual(&lhs->v, &rhs->v);
}
int blsSecretKeyIsEqual(const blsSecretKey *lhs, const blsSecretKey *rhs)
{
    return mclBnFr_isEqual(&lhs->v, &rhs->v);
}
int blsPublicKeyIsEqual(const blsPublicKey *lhs, const blsPublicKey *rhs)
{
    return mclBnG2_isEqual(&lhs->v, &rhs->v);
}
int blsSignatureIsEqual(const blsSignature *lhs, const blsSignature *rhs)
{
    return mclBnG1_isEqual(&lhs->v, &rhs->v);
}
void blsSecretKeyAdd(blsSecretKey *sec, const blsSecretKey *rhs)
{
    mclBnFr_add(&sec->v, &sec->v, &rhs->v);
}
void blsSignatureAdd(blsSignature *sig, const blsSignature *rhs)
{
    mclBnG1_add(&sig->v, &sig->v, &rhs->v);
}
void blsPublicKeyAdd(blsPublicKey *pub, const blsPublicKey *rhs)
{
    mclBnG2_add(&pub->v, &pub->v, &rhs->v);
}
int blsIdSetLittleEndian(blsId *id, const void *buf, size_t bufSize)
{
    return mclBnFr_setLittleEndian(&id->v, buf, bufSize);
}
int blsIdSetDecStr(blsId *id, const char *buf, size_t bufSize)
{
    return mclBnFr_setStr(&id->v, buf, bufSize, 10);
}
int blsIdSetHexStr(blsId *id, const char *buf, size_t bufSize)
{
    return mclBnFr_setStr(&id->v, buf, bufSize, 16);
}
size_t blsIdGetLittleEndian(void *buf, size_t maxBufSize, const blsId *id)
{
    return mclBnFr_serialize(buf, maxBufSize, &id->v);
}
size_t blsIdGetDecStr(char *buf, size_t maxBufSize, const blsId *id)
{
    return mclBnFr_getStr(buf, maxBufSize, &id->v, 10);
}
size_t blsIdGetHexStr(char *buf, size_t maxBufSize, const blsId *id)
{
    return mclBnFr_getStr(buf, maxBufSize, &id->v, 16);
}
int blsSecretKeySetLittleEndian(blsSecretKey *sec, const void *buf, size_t bufSize)
{
    return mclBnFr_setLittleEndian(&sec->v, buf, bufSize);
}
int blsSecretKeySetDecStr(blsSecretKey *sec, const char *buf, size_t bufSize)
{
    return mclBnFr_setStr(&sec->v, buf, bufSize, 10);
}
int blsSecretKeySetHexStr(blsSecretKey *sec, const char *buf, size_t bufSize)
{
    return mclBnFr_setStr(&sec->v, buf, bufSize, 16);
}
size_t blsSecretKeyGetLittleEndian(void *buf, size_t maxBufSize, const blsSecretKey *sec)
{
    return mclBnFr_serialize(buf, maxBufSize, &sec->v);
}
size_t blsSecretKeyGetDecStr(char *buf, size_t maxBufSize, const blsSecretKey *sec)
{
    return mclBnFr_getStr(buf, maxBufSize, &sec->v, 10);
}
size_t blsSecretKeyGetHexStr(char *buf, size_t maxBufSize, const blsSecretKey *sec)
{
    return mclBnFr_getStr(buf, maxBufSize, &sec->v, 16);
}
int blsHashToSecretKey(blsSecretKey *sec, const void *buf, size_t bufSize)
{
    return mclBnFr_setHashOf(&sec->v, buf, bufSize);
}
int blsSecretKeySetByCSPRNG(blsSecretKey *sec)
{
    return mclBnFr_setByCSPRNG(&sec->v);
}
int blsPublicKeySetHexStr(blsPublicKey *pub, const char *buf, size_t bufSize)
{
    return mclBnG2_setStr(&pub->v, buf, bufSize, 16);
}
size_t blsPublicKeyGetHexStr(char *buf, size_t maxBufSize, const blsPublicKey *pub)
{
    return mclBnG2_getStr(buf, maxBufSize, &pub->v, 16);
}
int blsSignatureSetHexStr(blsSignature *sig, const char *buf, size_t bufSize)
{
    return mclBnG1_setStr(&sig->v, buf, bufSize, 16);
}
size_t blsSignatureGetHexStr(char *buf, size_t maxBufSize, const blsSignature *sig)
{
    return mclBnG1_getStr(buf, maxBufSize, &sig->v, 16);
}