Reece Wilson
efc02d24f7
[*] Default initialize net protocols to zero (tcp) [*] Warning under AuUInt8 &ByteBuffer::operator[](AuUInt idx)
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: RNG.cpp
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Date: 2021-6-11
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Author: Reece
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "RNG.hpp"
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#include "RNGEntropy.hpp"
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#include "WELL.hpp"
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namespace Aurora::RNG
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{
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static WELLRand gWellRand;
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RandomUnique_t gFastDevice;
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AUKN_SYM void ReadSecureRNG(void *in, AuUInt32 length)
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{
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AuUInt32 offset;
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AuUInt8 *headPtr;
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headPtr = reinterpret_cast<AuUInt8 *>(in);
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offset = 0;
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while (offset != length)
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{
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auto req = length - offset;
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auto bytes = RngGetBytes(headPtr + offset, req);
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SysAssertExp(bytes, "Couldn't consume {} RNG bytes", req);
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offset += bytes;
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}
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}
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AUKN_SYM void ReadFastRNG(void *in, AuUInt32 length)
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{
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WELL_NextBytes(&gWellRand, in, length);
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}
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static void InitFastRng()
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{
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AuArray<AuUInt8, 64> maxEntropy;
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RngFillArray<false, AuUInt8>(maxEntropy.data(), 64);
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gWellRand = WELL_SeedRandBig64(maxEntropy);
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RandomDef fast;
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fast.SetQuickRng();
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gFastDevice = RandomUnique(fast);
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}
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void Init()
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{
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EntropyInit();
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InitFastRng();
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}
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void Release()
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{
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EntropyDeinit();
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}
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} |