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https://github.com/modmii/YAWM-ModMii-Edition.git
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had to download libogc's aes driver, hoping this works
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source/aes.c
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125
source/aes.c
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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
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@ -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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|
|
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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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|
|
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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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||||||
|
|
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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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|
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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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@ -2,13 +2,13 @@
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#include <string.h>
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#include <string.h>
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#include <ogcsys.h>
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#include <ogcsys.h>
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#include <ogc/pad.h>
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#include <ogc/pad.h>
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#include <ogc/aes.h>
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#include <ogc/es.h>
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#include <ogc/es.h>
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#include <unistd.h>
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#include <unistd.h>
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#include "sys.h"
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#include "sys.h"
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#include "title.h"
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#include "title.h"
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#include "utils.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 "video.h"
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#include "wad.h"
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#include "wad.h"
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#include "wpad.h"
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#include "wpad.h"
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