mirror of
https://github.com/modmii/YAWM-ModMii-Edition.git
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Fix tickets using the vWii common key (#9)
* had to download libogc's aes driver, hoping this works
This commit is contained in:
thepikachugamer
GitHub
parent
abd5f48be9
commit
cb2351b877
125
source/aes.c
Normal file
125
source/aes.c
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@ -0,0 +1,125 @@
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/*-------------------------------------------------------------
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aes.c -- AES Engine
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Copyright (C) 2022
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GaryOderNichts
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Joris 'DacoTaco' Vermeylen info@dacotaco.com
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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-------------------------------------------------------------*/
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#if defined(HW_RVL)
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#include <string.h>
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#include <gctypes.h>
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#include <gcutil.h>
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#include <ogc/ipc.h>
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#include "aes.h"
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#define AES_HEAPSIZE 0x200
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#define AES_IOCTLV_ENCRYPT 2
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#define AES_IOCTLV_DECRYPT 3
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static s32 __aes_fd = -1;
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static s32 __aes_hid = -1;
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static s32 AES_ExecuteCommand(s32 command, const void* key, u32 key_size, void* iv, u32 iv_size, const void* in_data, void* out_data, u32 data_size)
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{
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if ((((u32)in_data | (u32)out_data) & 0xF) != 0)
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return -4;
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if (key_size != 16 || iv_size != 16 || (data_size & 15) != 0)
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return -4;
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ioctlv* params = (ioctlv*)iosAlloc(__aes_hid, sizeof(ioctlv) * 4);
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if (!params)
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return -1;
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s32 ret = -1;
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for (u32 i = 0; i < data_size; i += AES_BLOCK_SIZE) {
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u32 size = i+AES_BLOCK_SIZE >= data_size
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? data_size - i
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: AES_BLOCK_SIZE;
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params[0].data = (void*)((u32)in_data + i);
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params[0].len = size;
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params[1].data = (void*) key;
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params[1].len = key_size;
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params[2].data = (void*)((u32)out_data + i);
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params[2].len = size;
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params[3].data = iv;
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params[3].len = iv_size;
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ret = IOS_Ioctlv(__aes_fd, command, 2, 2, params);
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if (ret < 0)
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break;
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}
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iosFree(__aes_hid, params);
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return ret;
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}
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s32 AES_Init(void)
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{
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if (__aes_fd >= 0)
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return -1;
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__aes_fd = IOS_Open("/dev/aes", 0);
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if (__aes_fd < 0)
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return __aes_fd;
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//only create heap if it wasn't created yet.
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//its never disposed, so only create once.
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if(__aes_hid < 0)
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__aes_hid = iosCreateHeap(AES_HEAPSIZE);
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if (__aes_hid < 0) {
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AES_Close();
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return __aes_hid;
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}
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return 0;
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}
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s32 AES_Close(void)
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{
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if (__aes_fd < 0)
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return -1;
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IOS_Close(__aes_fd);
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__aes_fd = -1;
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return 0;
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}
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s32 AES_Encrypt(const void* key, u32 key_size, void* iv, u32 iv_size, const void* in_data, void* out_data, u32 data_size)
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{
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return AES_ExecuteCommand(AES_IOCTLV_ENCRYPT, key, key_size, iv, iv_size, in_data, out_data, data_size);
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}
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s32 AES_Decrypt(const void* key, u32 key_size, void* iv, u32 iv_size, const void* in_data, void* out_data, u32 data_size)
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{
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return AES_ExecuteCommand(AES_IOCTLV_DECRYPT, key, key_size, iv, iv_size, in_data, out_data, data_size);
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}
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#endif
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53
source/aes.h
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53
source/aes.h
Normal file
@ -0,0 +1,53 @@
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/*-------------------------------------------------------------
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aes.h -- AES Engine
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Copyright (C) 2022
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GaryOderNichts
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Joris 'DacoTaco' Vermeylen info@dacotaco.com
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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-------------------------------------------------------------*/
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#ifndef __AES_H___
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#define __AES_H___
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#if defined(HW_RVL)
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#include <gctypes.h>
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#include <gcutil.h>
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#define AES_BLOCK_SIZE 0x10000
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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s32 AES_Init(void);
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s32 AES_Close(void);
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s32 AES_Decrypt(const void* key, u32 key_size, void* iv, u32 iv_size, const void* in_data, void* out_data, u32 data_size);
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s32 AES_Encrypt(const void* key, u32 key_size, void* iv, u32 iv_size, const void* in_data, void* out_data, u32 data_size);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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#endif
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106
source/wad.c
106
source/wad.c
@ -2,11 +2,13 @@
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#include <string.h>
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#include <ogcsys.h>
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#include <ogc/pad.h>
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#include <ogc/es.h>
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#include <unistd.h>
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#include "sys.h"
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#include "title.h"
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#include "utils.h"
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#include "aes.h"
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#include "video.h"
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#include "wad.h"
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#include "wpad.h"
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@ -93,58 +95,58 @@ static inline void DecEncTxtBuffer(char* buffer)
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u64 get_title_ios(u64 title) {
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s32 ret, fd;
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static char filepath[256] ATTRIBUTE_ALIGN(32);
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static char filepath[256] ATTRIBUTE_ALIGN(32);
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// Check to see if title exists
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if (ES_GetDataDir(title, filepath) >= 0 ) {
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u32 tmd_size = 0;
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static u8 tmd_buf[MAX_SIGNED_TMD_SIZE] ATTRIBUTE_ALIGN(32);
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ret = ES_GetStoredTMDSize(title, &tmd_size);
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if (ret < 0){
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// If we fail to use the ES function, try reading manually
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// This is a workaround added since some IOS (like 21) don't like our
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// call to ES_GetStoredTMDSize
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//printf("Error! ES_GetStoredTMDSize: %d\n", ret);
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sprintf(filepath, "/title/%08x/%08x/content/title.tmd", TITLE_UPPER(title), TITLE_LOWER(title));
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ret = ISFS_Open(filepath, ISFS_OPEN_READ);
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if (ret <= 0)
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{
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//printf("Error! ISFS_Open (ret = %d)\n", ret);
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return 0;
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}
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fd = ret;
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ret = ISFS_Seek(fd, 0x184, 0);
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if (ret < 0)
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{
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//printf("Error! ISFS_Seek (ret = %d)\n", ret);
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return 0;
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}
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ret = ISFS_Read(fd,tmd_buf,8);
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if (ret < 0)
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{
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//printf("Error! ISFS_Read (ret = %d)\n", ret);
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return 0;
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}
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ret = ISFS_Close(fd);
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if (ret < 0)
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{
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//printf("Error! ISFS_Close (ret = %d)\n", ret);
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return 0;
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}
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return be64(tmd_buf);
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} else {
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// Normal versions of IOS won't have a problem, so we do things the "right" way.
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// Some of this code adapted from bushing's title_lister.c
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signed_blob *s_tmd = (signed_blob *)tmd_buf;
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ret = ES_GetStoredTMD(title, s_tmd, tmd_size);
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@ -155,9 +157,9 @@ u64 get_title_ios(u64 title) {
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tmd *t = SIGNATURE_PAYLOAD(s_tmd);
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return t->sys_version;
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}
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}
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}
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return 0;
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}
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@ -171,7 +173,7 @@ static bool GetRegionFromTXT(char* region)
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return false;
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DecEncTxtBuffer(buffer);
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char* current = strstr(buffer, "AREA");
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if(current)
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@ -182,7 +184,7 @@ static bool GetRegionFromTXT(char* region)
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if (start && end)
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{
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start++;
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if (!strncmp(start, "JPN", 3))
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*region = 'J';
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else if (!strncmp(start, "USA", 3))
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@ -191,12 +193,12 @@ static bool GetRegionFromTXT(char* region)
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*region = 'E';
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else if (!strncmp(start, "KOR", 3))
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*region = 'K';
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if (*region != 0)
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{
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free(buffer);
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return true;
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}
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}
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}
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}
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else
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@ -232,7 +234,7 @@ s32 GetSysMenuRegion(u16* version, char* region)
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bool VersionIsOriginal(u16 version)
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{
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s32 i;
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for (i = 0; i < VersionListSize; i++)
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{
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if (VersionList[i] == version)
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@ -286,7 +288,7 @@ static u32 GetSysMenuBootContent(void)
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return 0;
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}
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ret = ES_GetStoredTMD(0x100000002LL, (u8*)s_tmd, size);
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ret = ES_GetStoredTMD(0x100000002LL, s_tmd, size);
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if (ret < 0)
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{
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printf("Error! ES_GetStoredTMD failed (ret=%i)\n", ret);
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@ -326,7 +328,7 @@ bool GetSysMenuExecPath(char path[ISFS_MAXPATH], bool mainDOL)
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bool IsPriiloaderInstalled()
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{
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char path[ISFS_MAXPATH] ATTRIBUTE_ALIGN(0x20);
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if (!GetSysMenuExecPath(path, true))
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return false;
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@ -339,7 +341,7 @@ bool IsPriiloaderInstalled()
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static bool BackUpPriiloader()
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{
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char path[ISFS_MAXPATH] ATTRIBUTE_ALIGN(0x20);
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if (!GetSysMenuExecPath(path, false))
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return false;
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@ -350,7 +352,7 @@ static bool BackUpPriiloader()
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printf("Error! NANDBackUpFile: Failed! (Error: %d)\n", ret);
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return false;
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}
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ret = NANDGetFileSize("/tmp/priiload.app", &gPriiloaderSize);
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return (gPriiloaderSize == size);
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@ -403,7 +405,7 @@ static bool RestorePriiloader()
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static void PrintCleanupResult(s32 result)
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{
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if (result < 0)
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{
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switch (result)
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@ -446,9 +448,9 @@ static void CleanupPriiloaderLeftOvers(bool retain)
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printf("\r\t\t>> File: main.bin...");
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PrintCleanupResult(NANDDeleteFile("/title/00000001/00000002/data/main.bin"));
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}
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printf("\n\t\tRemoving Priiloader hacks...\n");
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printf("\r\t\t>> File: hacks_s.ini...");
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PrintCleanupResult(NANDDeleteFile("/title/00000001/00000002/data/hacks_s.ini"));
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printf("\r\t\t>> File: hacks.ini...");
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@ -462,7 +464,7 @@ static void CleanupPriiloaderLeftOvers(bool retain)
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{
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printf("\n\t\tPriiloader hacks will be reset!\n");
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printf("\t\tRemember to set them again.\n");
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}
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}
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}
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static bool CompareHashes(bool priiloader)
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@ -488,7 +490,7 @@ static bool CompareHashes(bool priiloader)
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free(dataA);
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return false;
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}
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bool ret = (sizeA == sizeB) && !CompareHash(dataA, sizeA, dataB, sizeB);
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free(dataA);
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@ -550,17 +552,51 @@ out:
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return ret;
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}
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void __Wad_FixTicket(signed_blob *p_tik)
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{
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u8 *data = (u8 *)p_tik;
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u8 *ckey = data + 0x1F1;
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static const aeskey
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WiiCommonKey = { 0xeb, 0xe4, 0x2a, 0x22, 0x5e, 0x85, 0x93, 0xe4, 0x48, 0xd9, 0xc5, 0x45, 0x73, 0x81, 0xaa, 0xf7 },
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vWiiCommonKey = { 0x30, 0xbf, 0xc7, 0x6e, 0x7c, 0x19, 0xaf, 0xbb, 0x23, 0x16, 0x33, 0x30, 0xce, 0xd7, 0xc2, 0x8d };
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void __Wad_FixTicket(signed_blob *s_tik)
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{
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tik* p_tik = SIGNATURE_PAYLOAD(s_tik);
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u8 *ckey = ((u8*)s_tik) + 0x1F1;
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/*
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* Alright. I'd hate to pull this off on signed tickets using the vWii common key.
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* But this already does it, just without re-crypting the title key. So let's do it.
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*/
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bool fixKey = *ckey == 2;
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if (*ckey > 1) {
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/* Set common key */
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*ckey = 0;
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/* Fix tickets using vWii Common Key */
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if (fixKey)
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{
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__attribute__((aligned(0x10)))
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static unsigned char keybuf[0x10], iv[0x10];
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u8* titlekey = p_tik->cipher_title_key;
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u64* titleid = &p_tik->titleid;
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memcpy(keybuf, titlekey, sizeof(keybuf));
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memcpy(iv, titleid, sizeof(u64));
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memset(iv + 8, 0, sizeof(iv) - 8);
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AES_Init();
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AES_Decrypt(vWiiCommonKey, 0x10, iv, 0x10, keybuf, keybuf, sizeof(keybuf));
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memcpy(iv, titleid, sizeof(u64));
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memset(iv + 8, 0, sizeof(iv) - 8);
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AES_Encrypt(WiiCommonKey, 0x10, iv, 0x10, keybuf, keybuf, sizeof(keybuf));
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memcpy(titlekey, keybuf, sizeof(keybuf));
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AES_Close();
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}
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/* Fakesign ticket */
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Title_FakesignTik(p_tik);
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Title_FakesignTik(s_tik);
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}
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}
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