diff --git a/src/hsm/files.c b/src/hsm/files.c
index 652a7f6..94feffb 100644
--- a/src/hsm/files.c
+++ b/src/hsm/files.c
@@ -46,9 +46,10 @@ file_t file_entries[] = {
     /* 21 */ { .fid = EF_SKDFS  , .parent = 5, .name = NULL, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} }, //EF.SKDFs
     /* 22 */ { .fid = EF_KEY_DOMAIN, .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //Key domain options
     /* 23 */ { .fid = EF_META   , .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //EF.CDFs
-    ///* 22 */ { .fid = 0x0000, .parent = 0, .name = openpgpcard_aid, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} },
-    /* 24 */ { .fid = 0x0000, .parent = 5, .name = sc_hsm_aid, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} },
-    /* 25 */ { .fid = 0x0000, .parent = 0xff, .name = NULL, .type = FILE_TYPE_UNKNOWN, .data = NULL, .ef_structure = 0, .acl = {0} } //end
+    /* 24 */ { .fid = EF_PUKAUT, .parent = 5, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0xff} }, //Public Key Authentication
+    ///* 25 */ { .fid = 0x0000, .parent = 0, .name = openpgpcard_aid, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} },
+    /* 26 */ { .fid = 0x0000, .parent = 5, .name = sc_hsm_aid, .type = FILE_TYPE_WORKING_EF, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = {0} },
+    /* 27 */ { .fid = 0x0000, .parent = 0xff, .name = NULL, .type = FILE_TYPE_UNKNOWN, .data = NULL, .ef_structure = 0, .acl = {0} } //end
 };
 
 const file_t *MF = &file_entries[0];
diff --git a/src/hsm/files.h b/src/hsm/files.h
index e52b4af..c64d8ce 100644
--- a/src/hsm/files.h
+++ b/src/hsm/files.h
@@ -24,6 +24,7 @@
 #define EF_DEVOPS       0x100E
 #define EF_DKEK         0x1090
 #define EF_KEY_DOMAIN   0x10A0
+#define EF_PUKAUT       0x10C0
 #define EF_PRKDFS       0x6040
 #define EF_PUKDFS       0x6041
 #define EF_CDFS         0x6042