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Move AES code to Common/Crypto

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This commit is contained in:
Léo Lam 2017-02-12 11:50:35 +01:00
commit 5104caf6a6
8 changed files with 56 additions and 17 deletions
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17
Source/Core/Core/IOS/ES/Formats.cpp
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@ -10,11 +10,10 @@
#include <utility>
#include <vector>
#include <mbedtls/aes.h>
#include "Common/ChunkFile.h"
#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"
#include "Common/Crypto/AES.h"
namespace IOS
{
@ -22,17 +21,6 @@ namespace ES
{
constexpr size_t CONTENT_VIEW_SIZE = 0x10;
std::vector<u8> AESDecode(const u8* key, u8* iv, const u8* src, u32 size)
{
mbedtls_aes_context aes_ctx;
std::vector<u8> buffer(size);
mbedtls_aes_setkey_dec(&aes_ctx, key, 128);
mbedtls_aes_crypt_cbc(&aes_ctx, MBEDTLS_AES_DECRYPT, size, iv, src, buffer.data());
return buffer;
}
TMDReader::TMDReader(const std::vector<u8>& bytes) : m_bytes(bytes)
{
}
@ -264,7 +252,8 @@ std::vector<u8> TicketReader::GetTitleKey() const
0x48, 0xd9, 0xc5, 0x45, 0x73, 0x81, 0xaa, 0xf7};
u8 iv[16] = {};
std::copy_n(&m_bytes[GetOffset() + offsetof(Ticket, title_id)], sizeof(Ticket::title_id), iv);
return AESDecode(common_key, iv, &m_bytes[GetOffset() + offsetof(Ticket, title_key)], 16);
return Common::AES::Decrypt(common_key, iv, &m_bytes[GetOffset() + offsetof(Ticket, title_key)],
16);
}
} // namespace ES
} // namespace IOS

2
Source/Core/Core/IOS/ES/Formats.h
View file

@ -101,8 +101,6 @@ struct Ticket
static_assert(sizeof(Ticket) == 356, "Ticket has the wrong size");
#pragma pack(pop)
std::vector<u8> AESDecode(const u8* key, u8* iv, const u8* src, u32 size);
class TMDReader final
{
public: