Function ECC_Start

src/key.cpp:454–469

Initialize the elliptic curve support. May not be called twice without calling ECC_Stop first. */

/** Initialize the elliptic curve support. May not be called twice without calling ECC_Stop first. */
static void ECC_Start() {
    assert(secp256k1_context_sign == nullptr);

    secp256k1_context *ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE);
    assert(ctx != nullptr);

    {
        // Pass in a random blinding seed to the secp256k1 context.
        std::vector<unsigned char, secure_allocator<unsigned char>> vseed(32);
        GetRandBytes(vseed);
        bool ret = secp256k1_context_randomize(ctx, vseed.data());
        assert(ret);
    }

    secp256k1_context_sign = ctx;
}

/** Deinitialize the elliptic curve support. No-op if ECC_Start wasn't called first. */
static void ECC_Stop() {