not done yet!

2020-11-24 15:40:57 +13:00 · 2020-11-24 15:40:57 +13:00 · 90384f2179
parent 3542127281
commit 90384f2179
5 changed files with 381 additions and 0 deletions
--- a/eCDPSerialGenerator.sln
+++ b/eCDPSerialGenerator.sln
@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29806.167
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "eCDPSerialGenerator", "eCDPSerialGenerator\eCDPSerialGenerator.vcxproj", "{68A9AA05-ACE7-45ED-9054-71C6683EC955}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Debug|x64.ActiveCfg = Debug|x64
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Debug|x64.Build.0 = Debug|x64
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Debug|x86.ActiveCfg = Debug|Win32
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Debug|x86.Build.0 = Debug|Win32
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Release|x64.ActiveCfg = Release|x64
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Release|x64.Build.0 = Release|x64
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Release|x86.ActiveCfg = Release|Win32
+		{68A9AA05-ACE7-45ED-9054-71C6683EC955}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3F3CEA65-88A4-49A0-BCE2-C53FDB6099CA}
+	EndGlobalSection
+EndGlobal
--- a/eCDPSerialGenerator/eCDPSerialGenerator.c
+++ b/eCDPSerialGenerator/eCDPSerialGenerator.c
@ -0,0 +1,169 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <Windows.h>
+BYTE key[0xA8] = { 0x01,0x0A,0x16,0x04,0x07,0x18,0x0C,0x10,0x05,0x17,0x09,0x03,0x12,0x08,0x15,0x13,0x0B,0x02,0x0F,0x0D,0x11,0x0E,0x06,0x14,0x07,0x0C,0x0E,0x11,0x09,0x16,0x10,0x06,0x14,0x0D,0x01,0x02,0x12,0x08,0x13,0x0B,0x0F,0x0A,0x18,0x15,0x04,0x05,0x03,0x17,0x0F,0x04,0x09,0x03,0x06,0x07,0x11,0x12,0x15,0x16,0x02,0x08,0x05,0x17,0x0C,0x0D,0x01,0x18,0x0B,0x14,0x0E,0x10,0x13,0x0A,0x02,0x0A,0x0E,0x12,0x0B,0x03,0x0C,0x06,0x13,0x07,0x11,0x09,0x15,0x18,0x10,0x17,0x14,0x0F,0x04,0x01,0x05,0x08,0x16,0x0D,0x0B,0x02,0x09,0x16,0x14,0x01,0x12,0x11,0x15,0x06,0x0F,0x17,0x07,0x10,0x0C,0x0E,0x08,0x18,0x13,0x03,0x0A,0x0D,0x04,0x05,0x09,0x0F,0x05,0x0D,0x16,0x15,0x12,0x11,0x03,0x0A,0x04,0x10,0x0E,0x14,0x02,0x01,0x13,0x0C,0x06,0x0B,0x17,0x18,0x07,0x08,0x12,0x02,0x0C,0x09,0x0D,0x0E,0x04,0x07,0x16,0x14,0x17,0x01,0x11,0x03,0x10,0x15,0x08,0x0A,0x05,0x13,0x0B,0x18,0x0F,0x06 };
+char* hex_values = "0123456789ABCDEF";
+unsigned short output_vals[6];
+
+void substitute(char* input, char* output, int multiply_by)
+{
+    int i;
+    char* keyChar;
+
+    i = 0;
+    keyChar = (char*)(multiply_by * 0x18 + (key));
+    for(int i = 0; i < 0x18; i++) {
+        output[i] = input[*keyChar + -1];
+        keyChar ++;
+    }
+    output[0x18] = 0;
+}
+
+int the_crazy_math_part(unsigned int val1, unsigned int val2)
+{
+    int c = 1;
+    
+    long long r1 = 0xFFFFFFF9;
+    long long r0 = val1;
+    long long r3 = val2;
+
+    // yes this is just the asm implemented in C, dont @ me
+    
+    for (int i = 0; i < 4; i++)
+    {
+        // adcs r3,r1,r3,lsl 1h
+        r3 = (r1 + (r3 << 1)) + c; //same as r3 = (r3+(r1 * 2)) + c;
+        c = (r3 >> 32); // set c flag
+        r3 &= 0xFFFFFFFF;
+
+        // subcc r3,r3,r1
+        if (!c)
+        {
+            r3 = (r3 - r1);
+            r3 &= 0xFFFFFFFF;
+        }
+
+        // adcs r0,r0,r0
+        r0 = r0 + r0 + c;  //Same as r0 = (r0 * 2) + c;
+        c = (r0 >> 32); // set c flag
+        r0 &= 0xFFFFFFFF;
+
+    }
+
+    return r3;
+}
+
+byte* ascii_to_byte(byte* enc, byte* input)
+{
+    int i;
+    int ii;
+    byte* iii;
+    byte c;
+
+    c = *enc;
+    i = 0;
+    while (1) {
+        if (c == 0) {
+            return (byte*)0x0;
+        }
+        ii = 0;
+        iii = enc + i;
+        while ((c = input[ii], c != 0 && (*iii == c))) {
+            iii = iii + 1;
+            ii = ii + 1;
+        }
+        if (c == 0) break;
+        i = i + 1;
+        c = enc[i];
+    }
+    return enc + i;
+}
+
+int idontunderstandthispartyet(char* system_in, unsigned int maccasId)
+{
+    int system_in_len;
+    byte* next_var;
+    byte* this_char;
+    byte* extraout_r1;
+    unsigned int total_iterations;
+    int i = 0;
+    int ii = 0;
+    byte* system_in_2;
+    unsigned int c;
+    char* starting_inc;
+
+    total_iterations = 0;
+    c = maccasId & 0xffff00ff;
+    system_in_len = strlen(system_in);
+    starting_inc = hex_values;
+    system_in_2 = (byte*)system_in;
+    if (0 < system_in_len) {
+        do {
+            system_in_2 = system_in_2 + 1;
+            c = c & 0xffffff00 | (unsigned int)*system_in_2;
+            next_var = ascii_to_byte((byte*)starting_inc, (byte*)&c);
+            this_char = next_var + -(int)starting_inc;
+            if (next_var == (byte*)0x0) {
+                this_char = (byte*)0x0;
+            }
+            i = i + 1;
+            total_iterations = (unsigned int)(this_char + total_iterations);
+            system_in_len = strlen(system_in);
+            system_in_2 = system_in_2;
+        } while (i < system_in_len);
+    }
+
+    // step 2
+
+    int ret;
+    unsigned int offset = 7;
+
+    if (offset <= total_iterations) {
+        i = 0x1c;
+        ii = total_iterations >> 4;
+        if ((int)offset <= (int)(total_iterations >> 0x10)) {
+            i = 0xc;
+            ii = total_iterations >> 0x14;
+        }
+        if ((int)offset <= (int)(ii >> 4)) {
+            i = i - 8;
+            ii = ii >> 8;
+        }
+        if ((int)offset <= (int)ii) {
+            i = i - 4;
+            ii = ii >> 4;
+        }
+
+        return the_crazy_math_part((total_iterations << (i & 0xff)) * 2, ii);
+    }
+    return 0;
+}
+
+int main()
+{
+    char maccas_id[7];
+    char mannager_id[7];
+    char mac_address[18];
+    char formatted[64];
+    char encoded[64];
+    char final_key[100];
+    char total_output [64];
+    printf("eCDP Serial Number Generator (By SilicaAndPina)\n");
+    printf("-- A backdoor on the worlds rarest DS game.\n");
+    printf("Enter your NDS's Mac Address (without any seperators): ");
+    gets_s(mac_address, 18);
+    printf("Enter McDonalds Store Id (first 6 digit entry): ");
+    gets_s(maccas_id,7);
+    printf("Enter McDonalds Manager Id (second 6 digit entry): ");
+    gets_s(mannager_id, 7);
+
+
+    snprintf(formatted, 64, "%s%s%s", mac_address, maccas_id, mannager_id);
+    printf("Formatted Data: %s\n", formatted);
+
+    int multiplier = idontunderstandthispartyet(formatted, (unsigned int)maccas_id);
+    printf("Multiplier: %x\n", multiplier);
+    substitute(formatted, encoded, multiplier);
+    printf("Encoded Data: %s\n", encoded);
+}
--- a/eCDPSerialGenerator/eCDPSerialGenerator.vcxproj
+++ b/eCDPSerialGenerator/eCDPSerialGenerator.vcxproj
@ -0,0 +1,155 @@
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--- a/eCDPSerialGenerator/eCDPSerialGenerator.vcxproj.filters
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@ -0,0 +1,22 @@
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--- a/eCDPSerialGenerator/eCDPSerialGenerator.vcxproj.user
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