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Implement hw accelerated AES

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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
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11
Source/Core/DiscIO/NANDImporter.cpp
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@ -171,14 +171,13 @@ std::vector<u8> NANDImporter::GetEntryData(const NANDFSTEntry& entry)
std::vector<u8> data{};
data.reserve(remaining_bytes);
auto block = std::make_unique<u8[]>(NAND_FAT_BLOCK_SIZE);
while (remaining_bytes > 0)
{
std::array<u8, 16> iv{};
std::vector<u8> block = Common::AES::Decrypt(
m_aes_key.data(), iv.data(), &m_nand[NAND_FAT_BLOCK_SIZE * sub], NAND_FAT_BLOCK_SIZE);
m_aes_ctx->CryptIvZero(&m_nand[NAND_FAT_BLOCK_SIZE * sub], block.get(), NAND_FAT_BLOCK_SIZE);
size_t size = std::min(remaining_bytes, block.size());
data.insert(data.end(), block.begin(), block.begin() + size);
size_t size = std::min(remaining_bytes, NAND_FAT_BLOCK_SIZE);
data.insert(data.end(), block.get(), block.get() + size);
remaining_bytes -= size;
sub = m_superblock->fat[sub];
@ -260,7 +259,7 @@ void NANDImporter::ExportKeys()
{
constexpr size_t NAND_AES_KEY_OFFSET = 0x158;
std::copy_n(&m_nand_keys[NAND_AES_KEY_OFFSET], m_aes_key.size(), m_aes_key.begin());
m_aes_ctx = Common::AES::CreateContextDecrypt(&m_nand_keys[NAND_AES_KEY_OFFSET]);
const std::string file_path = m_nand_root + "/keys.bin";
File::IOFile file(file_path, "wb");