C++ (Cpp) secp256k1_eckey_privkey_tweak_add 예제들

예제 #1

파일: secp256k1.c 프로젝트: apoelstra/secp256k1

int secp256k1_ec_privkey_tweak_add(const secp256k1_context* ctx, unsigned char *seckey, const unsigned char *tweak) {
    secp256k1_scalar term;
    secp256k1_scalar sec;
    int ret = 0;
    int overflow = 0;
    VERIFY_CHECK(ctx != NULL);
    ARG_CHECK(seckey != NULL);
    ARG_CHECK(tweak != NULL);

    secp256k1_scalar_set_b32(&term, tweak, &overflow);
    secp256k1_scalar_set_b32(&sec, seckey, NULL);

    ret = !overflow && secp256k1_eckey_privkey_tweak_add(&sec, &term);
    memset(seckey, 0, 32);
    if (ret) {
        secp256k1_scalar_get_b32(seckey, &sec);
    }

    secp256k1_scalar_clear(&sec);
    secp256k1_scalar_clear(&term);
    return ret;
}

예제 #2

파일: secp256k1.c 프로젝트: TheAltcoinBoard/XAB

int secp256k1_ec_privkey_tweak_add(const secp256k1_context_t* ctx, unsigned char *seckey, const unsigned char *tweak) {
    secp256k1_scalar_t term;
    secp256k1_scalar_t sec;
    int ret = 0;
    int overflow = 0;
    DEBUG_CHECK(ctx != NULL);
    DEBUG_CHECK(seckey != NULL);
    DEBUG_CHECK(tweak != NULL);
    (void)ctx;

    secp256k1_scalar_set_b32(&term, tweak, &overflow);
    secp256k1_scalar_set_b32(&sec, seckey, NULL);

    ret = secp256k1_eckey_privkey_tweak_add(&sec, &term) && !overflow;
    if (ret) {
        secp256k1_scalar_get_b32(seckey, &sec);
    }

    secp256k1_scalar_clear(&sec);
    secp256k1_scalar_clear(&term);
    return ret;
}