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strat: no longer materially constrained by sm session limit

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This commit is contained in:
Michael Scire 2021-04-13 23:58:10 -07:00
parent 997e4dd665
commit 2e1a93f1d1
37 changed files with 215 additions and 333 deletions
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15
libraries/libstratosphere/source/crypto/crypto_csrng.os.horizon.cpp
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@ -19,29 +19,28 @@ namespace ams::crypto {
namespace {
bool g_initialized;
os::Mutex g_lock(false);
constinit bool g_initialized = false;
constinit os::SdkMutex g_lock;
void InitializeCsrng() {
AMS_ASSERT(!g_initialized);
sm::DoWithSession([&]() {
R_ABORT_UNLESS(::csrngInitialize());
});
R_ABORT_UNLESS(sm::Initialize());
R_ABORT_UNLESS(::csrngInitialize());
}
}
void GenerateCryptographicallyRandomBytes(void *dst, size_t dst_size) {
{
if (AMS_UNLIKELY(!g_initialized)) {
std::scoped_lock lk(g_lock);
if (AMS_UNLIKELY(!g_initialized)) {
if (AMS_LIKELY(!g_initialized)) {
InitializeCsrng();
g_initialized = true;
}
}
R_ABORT_UNLESS(csrngGetRandomBytes(dst, dst_size));
R_ABORT_UNLESS(::csrngGetRandomBytes(dst, dst_size));
}
}