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bls.cpp
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bls.cpp
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// Copyright 2020 Chia Network Inc
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "bls.hpp"
#if BLSALLOC_SODIUM
#include "sodium.h"
#endif
namespace bls {
const size_t BLS::MESSAGE_HASH_LEN;
bool BLSInitResult = BLS::Init();
Util::SecureAllocCallback Util::secureAllocCallback;
Util::SecureFreeCallback Util::secureFreeCallback;
static void relic_core_initializer(void* ptr)
{
core_init();
if (err_get_code() != RLC_OK) {
throw std::runtime_error("core_init() failed");
}
const int r = ep_param_set_any_pairf();
if (r != RLC_OK) {
throw std::runtime_error("ep_param_set_any_pairf() failed");
}
}
bool BLS::Init()
{
if (ALLOC != AUTO) {
throw std::runtime_error("Must have ALLOC == AUTO");
}
#if BLSALLOC_SODIUM
if (sodium_init() < 0) {
throw std::runtime_error("libsodium init failed");
}
SetSecureAllocator(sodium_malloc, sodium_free);
#else
SetSecureAllocator(malloc, free);
#endif
#if MULTI != RELIC_NONE
core_set_thread_initializer(relic_core_initializer, nullptr);
#else
relic_core_initializer(nullptr);
#endif
return true;
}
void BLS::SetSecureAllocator(
Util::SecureAllocCallback allocCb,
Util::SecureFreeCallback freeCb)
{
Util::secureAllocCallback = allocCb;
Util::secureFreeCallback = freeCb;
}
void BLS::CheckRelicErrors()
{
if (!core_get()) {
throw std::runtime_error("Library not initialized properly. Call BLS::Init()");
}
if (core_get()->code != RLC_OK) {
core_get()->code = RLC_OK;
throw std::invalid_argument("Relic library error");
}
}
} // end namespace bls