Revised and working RO patch

LumaTeam · May 14, 2016 · afc6f51 · afc6f51
1 parent c32eefa
commit afc6f51
Showing 1 changed file with 20 additions and 15 deletions.
diff --git a/injector/source/patcher.c b/injector/source/patcher.c
@@ -478,33 +478,38 @@ void patchCode(u64 progId, u8 *code, u32 size)
             static const u8 sigCheckPattern[] = {
                 0x30, 0x40, 0x2D, 0xE9, 0x02, 0x50, 0xA0, 0xE1
             };
-
-            static const u8 sha256ChecksPattern[] = {
-                0x02, 0x11, 0x10, 0xE2, 0x1F, 0x00, 0x00, 0x4A
+            static const u8 sha256ChecksPattern1[] = {
+                0x30, 0x40, 0x2D, 0xE9, 0x24, 0xD0, 0x4D, 0xE2
             };
-
-            static const u8 sigCheckPatch[] = {
-                0x00, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1 // mov r0, #0; bx lr
+            static const u8 sha256ChecksPattern2[] = {
+                0xF8, 0x4F, 0x2D, 0xE9, 0x01, 0x70, 0xA0, 0xE1
             };
 
-            static const u8 sha256ChecksPatch[] = {
-                0x00, 0x00, 0xA0, 0xE3, 0x00, 0x10, 0xF0, 0xE3 // mov r0, #0; mnvs r1, #0
+            static const u8 stub[] = {
+                0x00, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1 // mov r0, #0; bx lr
             };
 
             //Disable CRR0 signature (RSA2048 with SHA256) check
             patchMemory(code, size, 
                 sigCheckPattern, 
                 sizeof(sigCheckPattern), 0, 
-                sigCheckPatch,
-                sizeof(sigCheckPatch), 1
+                stub,
+                sizeof(stub), 1
+            );
+
+            //Disable CRO0/CRR0 SHA256 hash checks (section hashes, and hash table)
+            patchMemory(code, size, 
+                sha256ChecksPattern1, 
+                sizeof(sha256ChecksPattern1), 0, 
+                stub,
+                sizeof(stub), 1
             );
 
-            //Disable CRO0/CRR0 SHA256 hash checks
             patchMemory(code, size, 
-                sha256ChecksPattern, 
-                sizeof(sha256ChecksPattern), -4, 
-                sha256ChecksPatch,
-                sizeof(sigCheckPatch), 1
+                sha256ChecksPattern2, 
+                sizeof(sha256ChecksPattern2), 0, 
+                stub,
+                sizeof(stub), 1
             );
 
             break;