diff --git a/db/360/SceSblGcAuthMgr.yml b/db/360/SceSblGcAuthMgr.yml
index afcb779d0..cbd054e75 100644
--- a/db/360/SceSblGcAuthMgr.yml
+++ b/db/360/SceSblGcAuthMgr.yml
@@ -4,6 +4,17 @@ modules:
   SceSblGcAuthMgr:
     nid: 0xDB1A9016
     libraries:
+      SceSblGcAuthMgrDrmBBForDriver:
+        nid: 0x1926B182
+        kernel: true
+        functions:
+          ksceSblGcAuthMgrDrmBBClearCartSecret: 0xBB451E83
+          ksceSblGcAuthMgrDrmBBGetCartSecret: 0xBB70DDC0
+      SceSblGcAuthMgrGcAuthForDriver:
+        nid: 0xC6627F5E
+        kernel: true
+        functions:
+          ksceSblGcAuthMgrGcAuthCartAuthentication: 0x68781760
       SceSblGcAuthMgr:
         kernel: false
         nid: 0x7B13BCF7
diff --git a/docs/definitions.dox b/docs/definitions.dox
index 7ea65b17d..76b70694d 100644
--- a/docs/definitions.dox
+++ b/docs/definitions.dox
@@ -265,6 +265,9 @@
  *
  *     \defgroup SceSblSsComm SM Loader
  *      Interface for sm loading/CallFunc
+ *
+ *     \defgroup SceSblGcAuthMgr game cart Authentication Manager
+ *      Interface for authentication with game carts
  * \}
  *
  * \defgroup update Update
diff --git a/include/psp2kern/kernel/gcauthmgr.h b/include/psp2kern/kernel/gcauthmgr.h
new file mode 100644
index 000000000..dcbf07804
--- /dev/null
+++ b/include/psp2kern/kernel/gcauthmgr.h
@@ -0,0 +1,13 @@
+/**
+ * \kernelgroup{SceSblGcAuthMgr}
+ * \usage{psp2kern/kernel/gcauthmgr.h}
+ */
+
+
+#ifndef _PSP2KERN_KERNEL_GCAUTHMGR_H_
+#define _PSP2KERN_KERNEL_GCAUTHMGR_H_
+
+#include <psp2kern/kernel/gcauthmgr/drm_bb.h>
+#include <psp2kern/kernel/gcauthmgr/gc_auth.h>
+
+#endif /* _PSP2KERN_KERNEL_GCAUTHMGR_H_ */
diff --git a/include/psp2kern/kernel/gcauthmgr/drm_bb.h b/include/psp2kern/kernel/gcauthmgr/drm_bb.h
new file mode 100644
index 000000000..2b723aead
--- /dev/null
+++ b/include/psp2kern/kernel/gcauthmgr/drm_bb.h
@@ -0,0 +1,35 @@
+/**
+ * \kernelgroup{SceSblGcAuthMgr}
+ * \usage{psp2kern/kernel/gcauthmgr/drm_bb.h,SceSblGcAuthMgrDrmBBForDriver_stub}
+ */
+
+#ifndef __PSP2KERN_GCAUTHMGR_DRM_BB_H__
+#define __PSP2KERN_GCAUTHMGR_DRM_BB_H__
+
+#include <psp2kern/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Removes derived cart secret from memory.
+ *
+ * @return 0 on success, < 0 on error.
+ */
+int ksceSblGcAuthMgrDrmBBClearCartSecret(void);
+
+/**
+ * @brief Gets derived cart secret from memory.
+ *
+ * @param[in]  secret - Pointer to 0x20 bytes.
+ *
+ * @return 0 on success, < 0 on error.
+ */
+int ksceSblGcAuthMgrDrmBBGetCartSecret(void* secret);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PSP2KERN_GCAUTHMGR_DRM_BB_H__ */
\ No newline at end of file
diff --git a/include/psp2kern/kernel/gcauthmgr/gc_auth.h b/include/psp2kern/kernel/gcauthmgr/gc_auth.h
new file mode 100644
index 000000000..46faf6d2e
--- /dev/null
+++ b/include/psp2kern/kernel/gcauthmgr/gc_auth.h
@@ -0,0 +1,28 @@
+/**
+ * \kernelgroup{SceSblGcAuthMgr}
+ * \usage{psp2kern/kernel/gcauthmgr/gc_auth.h,SceSblGcAuthMgrGcAuthForDriver_stub}
+ */
+
+#ifndef __PSP2KERN_GCAUTHMGR_GC_AUTH_H__
+#define __PSP2KERN_GCAUTHMGR_GC_AUTH_H__
+
+#include <psp2kern/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Runs gamecart authentication
+ *
+ * @param[in]  key_id - Not used for anything but must be < 0x10000.
+ *
+ * @return 0 on success, < 0 on error.
+ */
+int ksceSblGcAuthMgrGcAuthCartAuthentication(SceUInt32 key_id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PSP2KERN_GCAUTHMGR_GC_AUTH_H__ */
\ No newline at end of file
diff --git a/include/vitasdkkern.h b/include/vitasdkkern.h
index e45c5b0a3..f4b306bad 100644
--- a/include/vitasdkkern.h
+++ b/include/vitasdkkern.h
@@ -39,6 +39,7 @@
 #include <psp2kern/kernel/dipsw.h>
 #include <psp2kern/kernel/dmac.h>
 #include <psp2kern/kernel/excpmgr.h>
+#include <psp2kern/kernel/gcauthmgr.h>
 #include <psp2kern/kernel/intrmgr.h>
 #include <psp2kern/kernel/iofilemgr.h>
 #include <psp2kern/kernel/modulemgr.h>