--- trousers-0.3.11.2/src/include/tss/tss_defines.h.orig
+++ trousers-0.3.11.2/src/include/tss/tss_defines.h
@@ -1214,6 +1214,9 @@
 #define TSS_UUID_USK5 {0, 0, 0, 0, 0, {0, 0, 0, 0, 0, 9}} // user storage key 5
 #define TSS_UUID_USK6 {0, 0, 0, 0, 0, {0, 0, 0, 0, 0, 10}}// user storage key 6
 
+/* SOLARIS: Migratable Root Key UUID */
+#define TSS_UUID_MRK {0, 0, 0, 0, 0, {0, 0, 0, 0, 0, 11}}
+
 // macro to derive UUIDs for keys whose "OwnerEvict" key is set.
 #define TSS_UUID_OWNEREVICT(i) {0, 0, 0, 0, 0, {0, 0, 0, 0, 1, (i)}}