piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-25 15:19:42 -06:00
Code Issues Packages Projects Releases Wiki Activity

use std-provided randomness for JitArm64 unittests

Browse Source 
decreases runtime significantly and lessens dependency on mbedtls
This commit is contained in:
Shawn Hoffman
2023-02-22 12:55:12 -08:00
parent ebd98226db
commit 2c2fb869a2
3 changed files with 7 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
Source/Core/Common/Random.cpp
View File

@ -10,38 +10,6 @@
namespace Common::Random
{
struct PRNG::Impl
{
Impl(void* seed, std::size_t size)
{
mbedtls_hmac_drbg_init(&m_context);
const int ret = mbedtls_hmac_drbg_seed_buf(
&m_context, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), static_cast<u8*>(seed), size);
ASSERT(ret == 0);
}
~Impl() { mbedtls_hmac_drbg_free(&m_context); }
void Generate(void* buffer, std::size_t size)
{
const int ret = mbedtls_hmac_drbg_random(&m_context, static_cast<u8*>(buffer), size);
ASSERT(ret == 0);
}
mbedtls_hmac_drbg_context m_context;
};
PRNG::PRNG(void* seed, std::size_t size) : m_impl(std::make_unique<Impl>(seed, size))
{
}
PRNG::~PRNG() = default;
void PRNG::Generate(void* buffer, std::size_t size)
{
m_impl->Generate(buffer, size);
}
class EntropySeededPRNG final
{
public: