mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-24 11:16:11 +00:00
67 lines
No EOL
2.3 KiB
C++
67 lines
No EOL
2.3 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <vapours.hpp>
|
|
|
|
namespace ams::crypto::impl {
|
|
|
|
#ifdef ATMOSPHERE_IS_STRATOSPHERE
|
|
|
|
void Sha256Impl::Initialize() {
|
|
static_assert(sizeof(m_state) == sizeof(::Sha256Context));
|
|
::sha256ContextCreate(reinterpret_cast<::Sha256Context *>(std::addressof(m_state)));
|
|
}
|
|
|
|
void Sha256Impl::Update(const void *data, size_t size) {
|
|
static_assert(sizeof(m_state) == sizeof(::Sha256Context));
|
|
::sha256ContextUpdate(reinterpret_cast<::Sha256Context *>(std::addressof(m_state)), data, size);
|
|
}
|
|
|
|
void Sha256Impl::GetHash(void *dst, size_t size) {
|
|
static_assert(sizeof(m_state) == sizeof(::Sha256Context));
|
|
AMS_ASSERT(size >= HashSize);
|
|
AMS_UNUSED(size);
|
|
|
|
::sha256ContextGetHash(reinterpret_cast<::Sha256Context *>(std::addressof(m_state)), dst);
|
|
}
|
|
|
|
void Sha256Impl::InitializeWithContext(const Sha256Context *context) {
|
|
static_assert(sizeof(m_state) == sizeof(::Sha256Context));
|
|
|
|
/* Copy state in from the context. */
|
|
std::memcpy(m_state.intermediate_hash, context->intermediate_hash, sizeof(m_state.intermediate_hash));
|
|
m_state.bits_consumed = context->bits_consumed;
|
|
|
|
/* Clear the rest of state. */
|
|
std::memset(m_state.buffer, 0, sizeof(m_state.buffer));
|
|
m_state.num_buffered = 0;
|
|
m_state.finalized = false;
|
|
}
|
|
|
|
size_t Sha256Impl::GetContext(Sha256Context *context) const {
|
|
static_assert(sizeof(m_state) == sizeof(::Sha256Context));
|
|
std::memcpy(context->intermediate_hash, m_state.intermediate_hash, sizeof(context->intermediate_hash));
|
|
context->bits_consumed = m_state.bits_consumed;
|
|
|
|
return m_state.num_buffered;
|
|
}
|
|
|
|
#else
|
|
|
|
/* TODO: Non-EL0 implementation. */
|
|
|
|
#endif
|
|
|
|
} |