diff --git a/build/CodeGen/IncludedKeys.txt b/build/CodeGen/IncludedKeys.txt
index a028cd7d..db7d7cc6 100644
--- a/build/CodeGen/IncludedKeys.txt
+++ b/build/CodeGen/IncludedKeys.txt
@@ -11,6 +11,7 @@ master_kek_source_07              = 9A3EA9ABFD56461C9BF6487F5CFA095C
 master_kek_source_08              = DEDCE339308816F8AE97ADEC642D4141
 master_kek_source_09              = 1AEC11822B32387A2BEDBA01477E3B67
 master_kek_source_0a              = 303F027ED838ECD7932534B530EBCA7A
+master_kek_source_0b              = 8467B67F1311AEE6589B19AF136C807A
 
 mariko_master_kek_source_05       = 77605AD2EE6EF83C3F72E2599DAC5E56
 mariko_master_kek_source_06       = 1E80B8173EC060AA11BE1A4AA66FE4AE
@@ -18,6 +19,7 @@ mariko_master_kek_source_07       = 940867BD0A00388411D31ADBDD8DF18A
 mariko_master_kek_source_08       = 5C24E3B8B4F700C23CFD0ACE13C3DC23
 mariko_master_kek_source_09       = 8669F00987C805AEB57B4874DE62A613
 mariko_master_kek_source_0a       = 0E440CEDB436C03FAA1DAEBF62B10982
+mariko_master_kek_source_0b       = E541ACECD1A7D1ABED0377F127CAF8F1
 
 mariko_master_kek_source_dev_05   = 32C0976B636D4464F23AA5C0DE46CCE9
 mariko_master_kek_source_dev_06   = CC974C462A0CB0A6C9C0B7BE302EC368
@@ -25,6 +27,7 @@ mariko_master_kek_source_dev_07   = 86BD1D7650DF6DFA2C7D3322ABF18218
 mariko_master_kek_source_dev_08   = A3B1E0A958A2267F40BF5BBB87330B66
 mariko_master_kek_source_dev_09   = 82729165403B9D6660D01B3D4DA570E1
 mariko_master_kek_source_dev_0a   = F937CF9ABD86BBA99C9E03C4FCBC3BCE
+mariko_master_kek_source_dev_0b   = 752D2EF32F3FFE65F4A983B4ED4263BA
 
 master_key_source                 = D8A2410AC6C59001C61D6A267C513F3C
 
diff --git a/src/LibHac/Common/Keys/KeyDerivation.cs b/src/LibHac/Common/Keys/KeyDerivation.cs
index 22c3b77d..07c8d02d 100644
--- a/src/LibHac/Common/Keys/KeyDerivation.cs
+++ b/src/LibHac/Common/Keys/KeyDerivation.cs
@@ -216,7 +216,8 @@ namespace LibHac.Common.Keys
             0x37, 0xAF, 0xAB, 0x35, 0x79, 0x09, 0xD9, 0x48, 0x29, 0xD2, 0xDB, 0xA5, 0xA5, 0xF5, 0x30, 0x19, // Master key 06 encrypted with Master key 07.
             0xEC, 0xE1, 0x46, 0x89, 0x37, 0xFD, 0xD2, 0x15, 0x8C, 0x3F, 0x24, 0x82, 0xEF, 0x49, 0x68, 0x04, // Master key 07 encrypted with Master key 08.
             0x43, 0x3D, 0xC5, 0x3B, 0xEF, 0x91, 0x02, 0x21, 0x61, 0x54, 0x63, 0x8A, 0x35, 0xE7, 0xCA, 0xEE, // Master key 08 encrypted with Master key 09.
-            0x6C, 0x2E, 0xCD, 0xB3, 0x34, 0x61, 0x77, 0xF5, 0xF9, 0xB1, 0xDD, 0x61, 0x98, 0x19, 0x3E, 0xD4  // Master key 09 encrypted with Master key 0A.
+            0x6C, 0x2E, 0xCD, 0xB3, 0x34, 0x61, 0x77, 0xF5, 0xF9, 0xB1, 0xDD, 0x61, 0x98, 0x19, 0x3E, 0xD4, // Master key 09 encrypted with Master key 0A.
+            0x21, 0x88, 0x6B, 0x10, 0x9E, 0x83, 0xD6, 0x52, 0xAB, 0x08, 0xDB, 0x6D, 0x39, 0xFF, 0x1C, 0x9C  // Master key 0A encrypted with Master key 0B.
         };
 
         private static ReadOnlySpan<byte> MasterKeyVectorsProd => new byte[]
@@ -231,7 +232,8 @@ namespace LibHac.Common.Keys
             0xA4, 0xD4, 0x52, 0x6F, 0xD1, 0xE4, 0x36, 0xAA, 0x9F, 0xCB, 0x61, 0x27, 0x1C, 0x67, 0x65, 0x1F, // Master key 06 encrypted with Master key 07.
             0xEA, 0x60, 0xB3, 0xEA, 0xCE, 0x8F, 0x24, 0x46, 0x7D, 0x33, 0x9C, 0xD1, 0xBC, 0x24, 0x98, 0x29, // Master key 07 encrypted with Master key 08.
             0x4D, 0xD9, 0x98, 0x42, 0x45, 0x0D, 0xB1, 0x3C, 0x52, 0x0C, 0x9A, 0x44, 0xBB, 0xAD, 0xAF, 0x80, // Master key 08 encrypted with Master key 09.
-            0xB8, 0x96, 0x9E, 0x4A, 0x00, 0x0D, 0xD6, 0x28, 0xB3, 0xD1, 0xDB, 0x68, 0x5F, 0xFB, 0xE1, 0x2A  // Master key 09 encrypted with Master key 0A.
+            0xB8, 0x96, 0x9E, 0x4A, 0x00, 0x0D, 0xD6, 0x28, 0xB3, 0xD1, 0xDB, 0x68, 0x5F, 0xFB, 0xE1, 0x2A, // Master key 09 encrypted with Master key 0A.
+            0xC1, 0x8D, 0x16, 0xBB, 0x2A, 0xE4, 0x1D, 0xD4, 0xC2, 0xC1, 0xB6, 0x40, 0x94, 0x35, 0x63, 0x98  // Master key 0A encrypted with Master key 0B.
         };
 
         private static void DerivePerConsoleKeys(KeySet s)
diff --git a/src/LibHac/Utilities.cs b/src/LibHac/Utilities.cs
index 598a2986..a358671c 100644
--- a/src/LibHac/Utilities.cs
+++ b/src/LibHac/Utilities.cs
@@ -288,7 +288,8 @@ namespace LibHac
             7 => "7.0.0-8.0.1",
             8 => "8.1.0-8.1.1",
             9 => "9.0.0-9.0.1",
-            0xA => "9.1.0-",
+            0xA => "9.1.0-12.0.3",
+            0xB => "12.1.0-",
             _ => "Unknown"
         };