From 387f5d6db1fa13397b34994b613c36fae779b4e9 Mon Sep 17 00:00:00 2001
From: Aurora Wright <davidone92@katamail.com>
Date: Sat, 19 Aug 2017 20:25:08 +0200
Subject: [PATCH] Fix overwriting part of the FIRM with garbage on install

---
 source/nand/nandutil.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/nand/nandutil.c b/source/nand/nandutil.c
index 478e318..df55e46 100644
--- a/source/nand/nandutil.c
+++ b/source/nand/nandutil.c
@@ -315,7 +315,7 @@ u32 SafeInstallFirm(const char* path, u32 slots) {
     
     // inject sighax signature, get hash
     u8 firm_sha[0x20];
-    memcpy(firm + 0x100, (IS_DEVKIT) ? sig_nand_firm_dev : sig_nand_firm_retail, 0x200);
+    memcpy(firm + 0x100, (IS_DEVKIT) ? sig_nand_firm_dev : sig_nand_firm_retail, 0x100);
     sha_quick(firm_sha, firm, firm_size, SHA256_MODE);
     
     // check install slots