diff --git a/include/os_id.h b/include/os_id.h
index e9abd69c6..f699c0766 100644
--- a/include/os_id.h
+++ b/include/os_id.h
@@ -19,27 +19,30 @@
 //#define OS_FLAG_CUSTOM_UX       4
 /* Enable application to retrieve OS current running options */
 SYSCALL unsigned int os_flags(void);
-                                          SYSCALL unsigned int os_version(unsigned char* version PLENGTH(maxlength), unsigned int maxlength);
+SYSCALL unsigned int os_version(unsigned char* version PLENGTH(maxlength), unsigned int maxlength);
 /* Grab the SE serial number */
-                                          SYSCALL unsigned int os_serial(unsigned char* serial PLENGTH(maxlength), unsigned int maxlength);
+SYSCALL unsigned int os_serial(unsigned char* serial PLENGTH(maxlength), unsigned int maxlength);
+/* 32-bytes data unique to SE */
+SYSCALL unsigned int os_factory_hash(unsigned char* buffer PLENGTH(maxlength), unsigned int maxlength);
+
 #ifdef HAVE_MCU_SERIAL_STORAGE
 /* Grab the SEPROXYHAL's MCU serial number */
-                                          SYSCALL unsigned int os_seph_serial(unsigned char* serial PLENGTH(maxlength), unsigned int maxlength);
+SYSCALL unsigned int os_seph_serial(unsigned char* serial PLENGTH(maxlength), unsigned int maxlength);
 #endif // HAVE_MCU_SERIAL_STORAGE
 /* Grab the SEPROXYHAL's feature set */
-                                          SYSCALL unsigned int os_seph_features(void);
+SYSCALL unsigned int os_seph_features(void);
 /* Grab the SEPROXYHAL's version */
-                                          SYSCALL unsigned int os_seph_version(unsigned char* version PLENGTH(maxlength), unsigned int maxlength);
+SYSCALL unsigned int os_seph_version(unsigned char* version PLENGTH(maxlength), unsigned int maxlength);
 /* Grab the MCU bootloader's version */
-                                          SYSCALL unsigned int os_bootloader_version(unsigned char* version PLENGTH(maxlength), unsigned int maxlength);
+SYSCALL unsigned int os_bootloader_version(unsigned char* version PLENGTH(maxlength), unsigned int maxlength);
 /* Grab factory setting */
-                                          SYSCALL unsigned int os_factory_setting_get(unsigned int id, unsigned char* value PLENGTH(maxlength), unsigned int maxlength);
+SYSCALL unsigned int os_factory_setting_get(unsigned int id, unsigned char* value PLENGTH(maxlength), unsigned int maxlength);
 
 
 /*
  * Copy the serial number in the given buffer and return its length
  */
-                                          unsigned int os_get_sn(unsigned char* buffer);
+unsigned int os_get_sn(unsigned char* buffer);
 
 // get API level
 SYSCALL unsigned int get_api_level(void);
diff --git a/include/syscalls.h b/include/syscalls.h
index 91458f9ba..269320c60 100644
--- a/include/syscalls.h
+++ b/include/syscalls.h
@@ -159,6 +159,7 @@
 #define SYSCALL_os_flags_ID                                        0x0000006a
 #define SYSCALL_os_version_ID                                      0x0200006b
 #define SYSCALL_os_serial_ID                                       0x0200006c
+#define SYSCALL_os_factory_hash_ID                                 0x02000075
 #define SYSCALL_os_seph_features_ID                                0x0000006e
 #define SYSCALL_os_seph_version_ID                                 0x0200006f
 #define SYSCALL_os_bootloader_version_ID                           0x02000073
diff --git a/src/syscalls.c b/src/syscalls.c
index 2a78aff15..69db9193e 100644
--- a/src/syscalls.c
+++ b/src/syscalls.c
@@ -1304,6 +1304,13 @@ unsigned int os_serial ( unsigned char * serial, unsigned int maxlength ) {
   return (unsigned int) SVC_Call(SYSCALL_os_serial_ID, parameters);
 }
 
+unsigned int os_factory_hash ( unsigned char * buffer, unsigned int maxlength ) {
+  unsigned int parameters[2];
+  parameters[0] = (unsigned int)buffer;
+  parameters[1] = (unsigned int)maxlength;
+  return (unsigned int) SVC_Call(SYSCALL_os_factory_hash_ID, parameters);
+}
+
 unsigned int os_seph_features ( void ) {
   unsigned int parameters[2];
   parameters[1] = 0;