/*---------------------------------------------------------------------------* Project: NitroSDK - CRYPTO - demos File: main.c Copyright 2008 Nintendo. All rights reserved. These coded instructions, statements, and computer programs contain proprietary information of Nintendo of America Inc. and/or Nintendo Company Ltd., and are protected by Federal copyright law. They may not be disclosed to third parties or copied or duplicated in any form, in whole or in part, without the prior written consent of Nintendo. $Date::$ $Rev:$ $Author:$ *---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------* This demo confirms that the CRYPTO library's RSA electronic signature functions operate properly. *---------------------------------------------------------------------------*/ #include #include #include //#define PRINT_ALLOCATION //#define PRINT_TIME extern const unsigned char rsa1024_pub[], rsa1024_sec[]; extern const unsigned long rsa1024_pub_len, rsa1024_sec_len; static void InitializeAllocateSystem(void); static void VBlankIntr(void); static void DisplayInit(void); static void FillScreen(u16 col); static BOOL RsaTest(void); static BOOL sign_verify( char *teststr, void *pubkey, void *seckey, const unsigned long seckey_len ); static u32 GetStringLength(char* str); static void PrintBinary(u8* ptr, int len); /*---------------------------------------------------------------------------* Variable Definitions *---------------------------------------------------------------------------*/ #ifdef PRINT_ALLOCATION static u32 total_allocated_size = 0; #endif static const unsigned char rsa512_pub[]={ 0x30, 0x5C, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x4B, 0x00, 0x30, 0x48, 0x02, 0x41, 0x00, 0xAA, 0x3D, 0x39, 0x23, 0x81, 0x1E, 0x04, 0xDB, 0x25, 0x91, 0xE4, 0x15, 0xA5, 0x3A, 0x9A, 0xCF, 0x64, 0x7F, 0x2F, 0xD6, 0x03, 0xB1, 0x6C, 0xA4, 0x1E, 0x6A, 0x4D, 0x7C, 0x9A, 0x02, 0x7D, 0x9A, 0x8E, 0xF9, 0x8F, 0x61, 0x9C, 0x0E, 0x42, 0x49, 0x58, 0xBB, 0x96, 0xB1, 0x1F, 0x7C, 0xCA, 0x7B, 0x2A, 0x75, 0x3A, 0x6C, 0x82, 0x4F, 0xF9, 0xF5, 0xB2, 0x11, 0xB7, 0xC4, 0xCC, 0xF9, 0x6D, 0xE7, 0x02, 0x03, 0x01, 0x00, 0x01 }; static const int rsa512_pub_len = 0x5E; static const unsigned char rsa512_sec[]={ 0x30, 0x82, 0x01, 0x3A, 0x02, 0x01, 0x00, 0x02, 0x41, 0x00, 0xAA, 0x3D, 0x39, 0x23, 0x81, 0x1E, 0x04, 0xDB, 0x25, 0x91, 0xE4, 0x15, 0xA5, 0x3A, 0x9A, 0xCF, 0x64, 0x7F, 0x2F, 0xD6, 0x03, 0xB1, 0x6C, 0xA4, 0x1E, 0x6A, 0x4D, 0x7C, 0x9A, 0x02, 0x7D, 0x9A, 0x8E, 0xF9, 0x8F, 0x61, 0x9C, 0x0E, 0x42, 0x49, 0x58, 0xBB, 0x96, 0xB1, 0x1F, 0x7C, 0xCA, 0x7B, 0x2A, 0x75, 0x3A, 0x6C, 0x82, 0x4F, 0xF9, 0xF5, 0xB2, 0x11, 0xB7, 0xC4, 0xCC, 0xF9, 0x6D, 0xE7, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x40, 0x75, 0x8E, 0xA1, 0x8E, 0x6A, 0xF3, 0x17, 0xD7, 0x5D, 0x32, 0x49, 0x96, 0xC8, 0xEA, 0x97, 0x4C, 0xEF, 0xD1, 0x04, 0x6F, 0x7D, 0x4D, 0x60, 0x00, 0x55, 0x20, 0x83, 0x31, 0xB0, 0x08, 0x58, 0x42, 0xEA, 0x75, 0x28, 0xB7, 0xB7, 0x44, 0xA7, 0x03, 0xF8, 0xEC, 0x80, 0x67, 0xD2, 0xF5, 0x44, 0x14, 0x77, 0x7D, 0x3F, 0xE7, 0x12, 0x2C, 0xAB, 0xE8, 0xBA, 0x52, 0x0E, 0xD5, 0x1F, 0xE5, 0xC1, 0x81, 0x02, 0x21, 0x00, 0xD1, 0xE4, 0x7B, 0xDE, 0x44, 0xE2, 0x4E, 0x03, 0xE5, 0x74, 0xCD, 0x89, 0xFD, 0x15, 0x8A, 0xD8, 0xAE, 0xF4, 0x67, 0x87, 0xCF, 0x65, 0x52, 0x3C, 0x23, 0x13, 0x2B, 0xE9, 0x97, 0x33, 0x26, 0x69, 0x02, 0x21, 0x00, 0xCF, 0xA2, 0xCA, 0xF1, 0x9F, 0xB0, 0x49, 0x1E, 0x4E, 0x64, 0x5F, 0xC7, 0x21, 0xE0, 0x71, 0x7E, 0x93, 0x7A, 0x5B, 0x20, 0xB1, 0x89, 0xAF, 0xF9, 0xC8, 0x96, 0x23, 0xBB, 0x72, 0xFC, 0x87, 0xCF, 0x02, 0x21, 0x00, 0xA8, 0xF7, 0x3C, 0x58, 0x44, 0x2F, 0xC2, 0x0A, 0x14, 0xEF, 0xA0, 0x7F, 0x13, 0x04, 0x02, 0x90, 0x48, 0xD7, 0x6B, 0x78, 0xC3, 0x16, 0x97, 0xCA, 0xDD, 0x99, 0x93, 0x62, 0x2A, 0x5B, 0xFC, 0xF1, 0x02, 0x20, 0x11, 0x44, 0x4E, 0x70, 0x2D, 0x81, 0x71, 0x73, 0x2D, 0xBD, 0xB7, 0x21, 0x4E, 0x35, 0xE5, 0xFA, 0x4A, 0xB5, 0x60, 0x22, 0xA5, 0xE0, 0xF7, 0x5B, 0x64, 0x4C, 0xE8, 0x07, 0xCC, 0x96, 0x27, 0x8D, 0x02, 0x20, 0x42, 0xEA, 0x98, 0x73, 0x96, 0x3E, 0xAC, 0x03, 0x3B, 0x19, 0xD0, 0xB7, 0x29, 0x11, 0x94, 0x25, 0x0E, 0x98, 0xC4, 0x7C, 0xA5, 0x95, 0x64, 0x02, 0x34, 0xB8, 0x4B, 0x66, 0x1E, 0x7B, 0x99, 0xB4 }; static const int rsa512_sec_len = 0x13E; /*---------------------------------------------------------------------------* Function Definitions *---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------* Name: MyAlloc Description: OS_Alloc wrapper function. *---------------------------------------------------------------------------*/ static void* MyAlloc(u32 size) { void* ptr; #ifdef PRINT_ALLOCATION ptr = OS_Alloc(size+4); *(u32*)ptr = size; (u8*)ptr += 4; total_allocated_size += size; OS_TPrintf("Allocate %d bytes from %p: total %d bytes\n", size, ptr, total_allocated_size); #else ptr = OS_Alloc(size); #endif return ptr; } /*---------------------------------------------------------------------------* Name: MyFree Description: OS_Free wrapper function. *---------------------------------------------------------------------------*/ static void MyFree(void* ptr) { #ifdef PRINT_ALLOCATION u32 size; (u8*)ptr -= 4; size = *(u32*)ptr; total_allocated_size -= size; OS_TPrintf("Free %d bytes from %p: total %d bytes\n", size, ptr, total_allocated_size); #endif OS_Free(ptr); } /*---------------------------------------------------------------------------* Name: MyRealloc Description: The realloc function. *---------------------------------------------------------------------------*/ #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif static void* MyRealloc(void* ptr, u32 new_size, u32 old_size) { void *buf; #ifdef PRINT_ALLOCATION u32 size; buf = OS_Alloc(new_size+4); *(u32*)buf = new_size; (u8*)buf += 4; total_allocated_size += new_size; OS_TPrintf("Reallocate %d bytes from %p: total %d bytes\n", new_size, ptr, total_allocated_size); (u8*)ptr -= 4; size = *(u32*)ptr; total_allocated_size -= size; OS_TPrintf("Free(for realloc) %d bytes from %p: total %d bytes\n", size, ptr, total_allocated_size); SDK_ASSERT(size == old_size); OS_Free(ptr); #else if ((buf = OS_Alloc(new_size)) == NULL) { return NULL; } MI_CpuCopy8(ptr, buf, MIN(new_size, old_size)); OS_Free(ptr); #endif return buf; } /*---------------------------------------------------------------------------* Name: NitroMain Description: Initialization and main loop. Arguments: None. Returns: None. *---------------------------------------------------------------------------*/ void NitroMain(void) { // Various types of initialization OS_Init(); InitializeAllocateSystem(); DisplayInit(); if (RsaTest()) { // Success OS_TPrintf("------ Test Succeeded ------\n"); FillScreen(GX_RGB(0, 31, 0)); } else { // Failed OS_TPrintf("****** Test Failed ******\n"); FillScreen(GX_RGB(31, 0, 0)); } // Main loop while (TRUE) { // Waiting for the V-Blank OS_WaitVBlankIntr(); } } /*---------------------------------------------------------------------------* Name: VBlankIntr Description: V-Blank interrupt vector. Arguments: None. Returns: None. *---------------------------------------------------------------------------*/ static void VBlankIntr(void) { // Sets the IRQ check flag OS_SetIrqCheckFlag(OS_IE_V_BLANK); } /*---------------------------------------------------------------------------* Name: InitializeAllocateSystem Description: Initializes the memory allocation system within the main memory arena. Arguments: None. Returns: None. *---------------------------------------------------------------------------*/ static void InitializeAllocateSystem(void) { void *tempLo; OSHeapHandle hh; tempLo = OS_InitAlloc(OS_ARENA_MAIN, OS_GetMainArenaLo(), OS_GetMainArenaHi(), 1); OS_SetArenaLo(OS_ARENA_MAIN, tempLo); hh = OS_CreateHeap(OS_ARENA_MAIN, OS_GetMainArenaLo(), OS_GetMainArenaHi()); if (hh < 0) { OS_Panic("ARM9: Fail to create heap...\n"); } hh = OS_SetCurrentHeap(OS_ARENA_MAIN, hh); } /*---------------------------------------------------------------------------* Name: DisplayInit Description: Graphics initialization. Arguments: None. Returns: None. *---------------------------------------------------------------------------*/ static void DisplayInit(void) { GX_Init(); FX_Init(); GX_DispOff(); GXS_DispOff(); GX_SetDispSelect(GX_DISP_SELECT_SUB_MAIN); OS_SetIrqFunction(OS_IE_V_BLANK, VBlankIntr); (void)OS_EnableIrqMask(OS_IE_V_BLANK); (void)GX_VBlankIntr(TRUE); // To generate V-Blank interrupt request (void)OS_EnableIrq(); GX_SetBankForLCDC(GX_VRAM_LCDC_ALL); MI_CpuClearFast((void *)HW_LCDC_VRAM, HW_LCDC_VRAM_SIZE); MI_CpuFillFast((void *)HW_OAM, 192, HW_OAM_SIZE); // Clear OAM MI_CpuClearFast((void *)HW_PLTT, HW_PLTT_SIZE); // Clear the standard palette MI_CpuFillFast((void *)HW_DB_OAM, 192, HW_DB_OAM_SIZE); // Clear OAM MI_CpuClearFast((void *)HW_DB_PLTT, HW_DB_PLTT_SIZE); // Clear the standard palette MI_DmaFill32(3, (void *)HW_LCDC_VRAM_C, 0x7FFF7FFF, 256 * 192 * sizeof(u16)); GX_SetBankForOBJ(GX_VRAM_OBJ_256_AB); // Set VRAM-A,B for OBJ GX_SetGraphicsMode(GX_DISPMODE_VRAM_C, // VRAM mode (GXBGMode)0, // Dummy (GXBG0As)0); // Dummy GX_SetVisiblePlane(GX_PLANEMASK_OBJ); // Make OBJs visible GX_SetOBJVRamModeBmp(GX_OBJVRAMMODE_BMP_1D_128K); // 2D mapping OBJ OS_WaitVBlankIntr(); // Waiting for the end of the V-Blank interrupt GX_DispOn(); } /*---------------------------------------------------------------------------* Name: FillScreen Description: Fills the screen. Arguments: col: FillColor Returns: None. *---------------------------------------------------------------------------*/ static void FillScreen(u16 col) { MI_CpuFill16((void *)HW_LCDC_VRAM_C, col, 256 * 192 * 2); } /*---------------------------------------------------------------------------* Name: RsaTest Description: Test routine for the electronic signature functions. Arguments: None. Returns: TRUE if test succeeds. *---------------------------------------------------------------------------*/ #define PrintResultEq( a, b, f ) \ { OS_TPrintf( ((a) == (b)) ? "[--OK--] " : "[**NG**] " ); (f) = (f) && ((a) == (b)); } #define CheckAndPrintErr( result, str ) \ { if(OS_IsRunOnTwl() == TRUE){ \ if(result < 0) { OS_TPrintf( "Error: %d (%s)\n", result, str ); return FALSE;} \ }else{ \ if(result >= 0){ OS_TPrintf( "Error: %d (%s)\n", result, str ); return FALSE;} \ } \ } static BOOL RsaTest(void) { BOOL flag = TRUE; // Perform electronic signature operation test { char teststr[] = "Copyright 2003-2005 Nintendo. All rights reserved."; BOOL ret; CRYPTO_SetMemAllocator(MyAlloc, MyFree, MyRealloc); /* RSA sign and verify */ ret = sign_verify(teststr, (void *)rsa1024_pub, (void *)rsa1024_sec, rsa1024_sec_len); PrintResultEq(ret, TRUE, flag); OS_TPrintf("RSA sign test\n"); } return flag; } static BOOL sign_verify( char *teststr, void *pubkey, void *seckey, const unsigned long seckey_len ) { char signstr[144]; unsigned char *mod_ptr; s32 result; s32 len; CRYPTORSASignContext context; CRYPTORSASignInitParam signinitparam; CRYPTORSASignParam signparam; #ifdef PRINT_TIME OSTick begin, end, term; #endif #ifdef PRINT_TIME begin = OS_GetTick(); #endif /* RSA sign */ signinitparam.key = (void*)seckey; signinitparam.key_len = seckey_len; result = CRYPTO_RSA_SignInit(&context, &signinitparam); CheckAndPrintErr(result, "CRYPTO_RSA_SignInit"); signparam.in = teststr; signparam.in_len = strlen(teststr); signparam.out = signstr; signparam.out_size = sizeof(signstr); len = CRYPTO_RSA_Sign(&context, &signparam); CheckAndPrintErr(len, "CRYPTO_RSA_Sign"); result = CRYPTO_RSA_SignTerminate(&context); CheckAndPrintErr(result, "CRYPTO_RSA_SignTerminate"); #ifdef PRINT_TIME end = OS_GetTick(); term = OS_TicksToMicroSeconds(end - begin); OS_TPrintf(" RSA sign: %d.%03d ms - %d tick\n", (u32)(term/1000), (u32)(term%1000), term); begin = OS_GetTick(); #endif if(OS_IsRunOnTwl() == FALSE){ return TRUE; } /* SIGN verify */ if((mod_ptr = CRYPTO_SIGN_GetModulus(pubkey)) == NULL) { OS_TPrintf( "Error: pubkey modulus find error . (CRYPTO_SIGN_GetModulus)\n" ); return FALSE; } if(CRYPTO_VerifySignature(teststr, (int)strlen(teststr), signstr, mod_ptr) == FALSE) { OS_TPrintf( "Error: SIGN verify error . (CRYPTO_VerifySignature)\n" ); return FALSE; } #ifdef PRINT_TIME end = OS_GetTick(); term = OS_TicksToMicroSeconds(end - begin); OS_TPrintf(" SIGN verify: %d.%03d ms - %d tick\n", (u32)(term/1000), (u32)(term%1000), term); #endif return TRUE; } /*---------------------------------------------------------------------------* Name: GetStringLength Description: Gets the length of a string. Arguments: str: Pointer to a string Returns: Length of string. *---------------------------------------------------------------------------*/ static u32 GetStringLength(char* str) { u32 i; for (i = 0; ; i++) { if (*(str++) == '\0') { return i; } } } /*---------------------------------------------------------------------------* Name: PrintBinary Description: Binary array output. Arguments: ptr: Memory location to output len: Length to output Returns: None. *---------------------------------------------------------------------------*/ static void PrintBinary(u8* ptr, int len) { #ifndef SDK_FINALROM int i; for (i = 0; i < len; i++) { if (i != 0) { OS_PutString(":"); } OS_TPrintf("%02x", ptr[i]); } #else #pragma unused(ptr,len) #endif return; } /*---------------------------------------------------------------------------* End of file *---------------------------------------------------------------------------*/