mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-26 22:51:12 +00:00
65 lines
No EOL
2.4 KiB
C++
65 lines
No EOL
2.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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(this->state) == sizeof(::Sha256Context));
|
|
::sha256ContextCreate(reinterpret_cast<::Sha256Context *>(std::addressof(this->state)));
|
|
}
|
|
|
|
void Sha256Impl::Update(const void *data, size_t size) {
|
|
static_assert(sizeof(this->state) == sizeof(::Sha256Context));
|
|
::sha256ContextUpdate(reinterpret_cast<::Sha256Context *>(std::addressof(this->state)), data, size);
|
|
}
|
|
|
|
void Sha256Impl::GetHash(void *dst, size_t size) {
|
|
static_assert(sizeof(this->state) == sizeof(::Sha256Context));
|
|
AMS_ASSERT(size >= HashSize);
|
|
::sha256ContextGetHash(reinterpret_cast<::Sha256Context *>(std::addressof(this->state)), dst);
|
|
}
|
|
|
|
void Sha256Impl::InitializeWithContext(const Sha256Context *context) {
|
|
static_assert(sizeof(this->state) == sizeof(::Sha256Context));
|
|
|
|
/* Copy state in from the context. */
|
|
std::memcpy(this->state.intermediate_hash, context->intermediate_hash, sizeof(this->state.intermediate_hash));
|
|
this->state.bits_consumed = context->bits_consumed;
|
|
|
|
/* Clear the rest of state. */
|
|
std::memset(this->state.buffer, 0, sizeof(this->state.buffer));
|
|
this->state.num_buffered = 0;
|
|
this->state.finalized = false;
|
|
}
|
|
|
|
size_t Sha256Impl::GetContext(Sha256Context *context) const {
|
|
static_assert(sizeof(this->state) == sizeof(::Sha256Context));
|
|
std::memcpy(context->intermediate_hash, this->state.intermediate_hash, sizeof(context->intermediate_hash));
|
|
context->bits_consumed = this->state.bits_consumed;
|
|
|
|
return this->state.num_buffered;
|
|
}
|
|
|
|
#else
|
|
|
|
/* TODO: Non-EL0 implementation. */
|
|
|
|
#endif
|
|
|
|
} |