From 80130eb9ca354140cd8cbf253bbc968c6b4b2552 Mon Sep 17 00:00:00 2001
From: bucanero <dparrino@gmail.com>
Date: Tue, 3 May 2022 20:54:31 -0300
Subject: [PATCH] Add Borderlands 3 decryption

+ Alien isolation hash update
---
 appdata/CUSA00362.savepatch | 17 +++++++++++++
 appdata/CUSA00363.savepatch | 17 +++++++++++++
 appdata/CUSA00924.savepatch | 10 ++++----
 appdata/CUSA01141.savepatch | 10 ++++----
 appdata/CUSA07823.savepatch | 49 +++++++++++++++++++++++++++++++++++++
 source/saves.c              |  7 ++++++
 6 files changed, 100 insertions(+), 10 deletions(-)
 create mode 100644 appdata/CUSA00362.savepatch
 create mode 100644 appdata/CUSA00363.savepatch
 create mode 100644 appdata/CUSA07823.savepatch

diff --git a/appdata/CUSA00362.savepatch b/appdata/CUSA00362.savepatch
new file mode 100644
index 0000000..78d3c86
--- /dev/null
+++ b/appdata/CUSA00362.savepatch
@@ -0,0 +1,17 @@
+; CUSA00362
+; PS4 Alien: Isolation
+; by bucanero
+
+:THEFILE
+
+; cheat codes go here
+
+[Update SHA1 XOR64 for THEFILE (Required)]
+set [off1]:read(0x18, 4)
+set [off1]:endian_swap
+set [off2]:read(0x1C, 4)
+set [off2]:endian_swap
+set pointer:[off1]+[off2]-1
+set range:0x20,pointer
+set [csum]:sha1_xor64
+write at 0x08:[csum]
diff --git a/appdata/CUSA00363.savepatch b/appdata/CUSA00363.savepatch
new file mode 100644
index 0000000..53c37a8
--- /dev/null
+++ b/appdata/CUSA00363.savepatch
@@ -0,0 +1,17 @@
+; CUSA00363
+; PS4 Alien: Isolation
+; by bucanero
+
+:THEFILE
+
+; cheat codes go here
+
+[Update SHA1 XOR64 for THEFILE (Required)]
+set [off1]:read(0x18, 4)
+set [off1]:endian_swap
+set [off2]:read(0x1C, 4)
+set [off2]:endian_swap
+set pointer:[off1]+[off2]-1
+set range:0x20,pointer
+set [csum]:sha1_xor64
+write at 0x08:[csum]
diff --git a/appdata/CUSA00924.savepatch b/appdata/CUSA00924.savepatch
index 83ef3e8..1a00db5 100644
--- a/appdata/CUSA00924.savepatch
+++ b/appdata/CUSA00924.savepatch
@@ -7,9 +7,9 @@
 
 [Decrypt DATA0.DAT (Required)]
 set range:0x0020,eof+1
-endian_swap(4)
+endian_swap(32)
 DECRYPT blowfish_ecb("zW$2eWaHNdT~6j86T_&j")
-endian_swap(4)
+endian_swap(32)
 
 ;-=-Campaign Mode Codes-=-
 
@@ -229,10 +229,10 @@ set range:0x0020,pointer
 set [hash]:SHA1
 write next (0):[hash]
 set range:pointer,pointer+0x14
-endian_swap(4)
+endian_swap(32)
 
 [Encrypt DATA0.DAT (Required)]
 set range:0x0020,eof+1
-endian_swap(4)
+endian_swap(32)
 ENCRYPT blowfish_ecb("zW$2eWaHNdT~6j86T_&j")
-endian_swap(4)
+endian_swap(32)
diff --git a/appdata/CUSA01141.savepatch b/appdata/CUSA01141.savepatch
index c6bb494..7945dbd 100644
--- a/appdata/CUSA01141.savepatch
+++ b/appdata/CUSA01141.savepatch
@@ -6,9 +6,9 @@
 
 [Decrypt DATA0.DAT (Required)]
 set range:0x0020,eof+1
-endian_swap(4)
+endian_swap(32)
 DECRYPT blowfish_ecb("zW$2eWaHNdT~6j86T_&j")
-endian_swap(4)
+endian_swap(32)
 
 [Raid - All Custom Parts Level MAX]
 10013198 00000163
@@ -542,10 +542,10 @@ set range:0x0020,pointer
 set [hash]:SHA1
 write next (0):[hash]
 set range:pointer,pointer+0x14
-endian_swap(4)
+endian_swap(32)
 
 [Encrypt DATA0.DAT (Required)]
 set range:0x0020,eof+1
-endian_swap(4)
+endian_swap(32)
 ENCRYPT blowfish_ecb("zW$2eWaHNdT~6j86T_&j")
-endian_swap(4)
+endian_swap(32)
diff --git a/appdata/CUSA07823.savepatch b/appdata/CUSA07823.savepatch
new file mode 100644
index 0000000..136ad40
--- /dev/null
+++ b/appdata/CUSA07823.savepatch
@@ -0,0 +1,49 @@
+; CUSA07823
+; PS4 Borderlands 3
+; by bucanero
+
+:profile
+
+[Decrypt profile (Required)]
+search "BP_DefaultOakProfile_C"
+set [size]:read(pointer+0x17,4)
+set [size]:endian_swap
+set [size]:[size]+0x1A
+set range:pointer+0x1B,pointer+[size]
+;use profile xor keys
+DECRYPT borderlands3(0)
+
+:*
+
+[Decrypt save-game]
+search "OakSaveGame"
+set [size]:read(pointer+0x0C,4)
+set [size]:endian_swap
+set [size]:[size]+0x0F
+set range:pointer+0x10,pointer+[size]
+;use save-game xor keys
+DECRYPT borderlands3(1)
+
+;
+; cheat codes go here
+;
+
+:profile
+
+[Encrypt profile (Required)]
+search "BP_DefaultOakProfile_C"
+set [size]:read(pointer+0x17,4)
+set [size]:endian_swap
+set [size]:[size]+0x1A
+set range:pointer+0x1B,pointer+[size]
+ENCRYPT borderlands3(0)
+
+:*
+
+[Encrypt save-game]
+search "OakSaveGame"
+set [size]:read(pointer+0x0C,4)
+set [size]:endian_swap
+set [size]:[size]+0x0F
+set range:pointer+0x10,pointer+[size]
+ENCRYPT borderlands3(1)
diff --git a/source/saves.c b/source/saves.c
index ae22b62..09c4244 100644
--- a/source/saves.c
+++ b/source/saves.c
@@ -869,6 +869,13 @@ int ReadBackupCodes(save_entry_t * bup)
 		closedir(d);
 	}
 
+	if (!list_count(bup->codes))
+	{
+		list_free(bup->codes);
+		bup->codes = NULL;
+		return 0;
+	}
+
 	LOG("%zu items loaded", list_count(bup->codes));
 
 	return list_count(bup->codes);