piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 22:29:39 -06:00
Code Issues Packages Projects Releases Wiki Activity

Implement hw accelerated AES

Browse Source
This commit is contained in:
Shawn Hoffman
2022-07-27 01:51:19 -07:00
parent fb45ed3981
commit 46ad8b9d68
13 changed files with 488 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Source/Core/DiscIO/VolumeWad.cpp
View File

@ -13,11 +13,10 @@
#include <utility>
#include <vector>
#include <mbedtls/aes.h>
#include "Common/Align.h"
#include "Common/Assert.h"
#include "Common/CommonTypes.h"
#include "Common/Crypto/AES.h"
#include "Common/Crypto/SHA1.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
@ -159,17 +158,14 @@ bool VolumeWAD::CheckContentIntegrity(const IOS::ES::Content& content,
if (encrypted_data.size() != Common::AlignUp(content.size, 0x40))
return false;
mbedtls_aes_context context;
const std::array<u8, 16> key = ticket.GetTitleKey();
mbedtls_aes_setkey_dec(&context, key.data(), 128);
auto context = Common::AES::CreateContextDecrypt(ticket.GetTitleKey().data());
std::array<u8, 16> iv{};
iv[0] = static_cast<u8>(content.index >> 8);
iv[1] = static_cast<u8>(content.index & 0xFF);
std::vector<u8> decrypted_data(encrypted_data.size());
mbedtls_aes_crypt_cbc(&context, MBEDTLS_AES_DECRYPT, decrypted_data.size(), iv.data(),
encrypted_data.data(), decrypted_data.data());
context->Crypt(iv.data(), encrypted_data.data(), decrypted_data.data(), decrypted_data.size());
return Common::SHA1::CalculateDigest(decrypted_data.data(), content.size) == content.sha1;
}