diff --git a/Makefile b/Makefile
index 840e6dc8d..4b4bd0c70 100644
--- a/Makefile
+++ b/Makefile
@@ -53,7 +53,6 @@ endif
 LIBS=-lssl -lcrypto -lgmp -lncurses -lsigsegv $(OSLIBS)
 
 INCLUDE=include
-GENERATED=generated
 MDEFINES=-DU2_OS_$(OS) -DU2_OS_ENDIAN_$(ENDIAN) -D U2_LIB=\"$(LIB)\"
 
 CFLAGS= -O2 -g \
@@ -63,7 +62,7 @@ CFLAGS= -O2 -g \
 	-Ioutside/libuv/include \
 	-Ioutside/re2 \
 	-Ioutside/cre2/src/src \
-	-I $(GENERATED) \
+	-Ioutside/ed25519/src \
 	$(DEFINES) \
 	$(MDEFINES)
 
@@ -163,6 +162,7 @@ J164_4_OFILES=\
 
 J164_5_OFILES=\
        gen164/5/cue.o \
+       gen164/5/ed.o \
        gen164/5/jam.o \
        gen164/5/mat.o \
        gen164/5/mink.o \
@@ -176,6 +176,9 @@ J164_5_OFILES=\
        gen164/5/tape.o \
        gen164/5/trip.o
 
+J164_5_OFILES_ED=\
+       gen164/5/ed_sign.o
+
 J164_6_OFILES=\
        gen164/6/al.o \
        gen164/6/ap.o \
@@ -234,6 +237,7 @@ J164_OFILES=\
        $(J164_3_OFILES) \
        $(J164_4_OFILES) \
        $(J164_5_OFILES) \
+       $(J164_5_OFILES_ED) \
        $(J164_6_OFILES) \
        $(J164_6_OFILES_UT) \
        gen164/watt.o
@@ -303,7 +307,7 @@ etags:
 	etags -f .etags $$(find -name '*.c' -or -name '*.h')
 
 clean:
-	 $(RM) $(VERE_OFILES) $(BIN)/vere $(BIN)/eyre 
+	$(RM) $(VERE_OFILES) $(BIN)/vere
 	$(MAKE) -C outside/libuv clean
 	$(MAKE) -C outside/re2 clean
 	$(MAKE) -C outside/ed25519 clean
diff --git a/gen164/5/ed.c b/gen164/5/ed.c
new file mode 100644
index 000000000..5e0502353
--- /dev/null
+++ b/gen164/5/ed.c
@@ -0,0 +1,22 @@
+/* gen164/5/ed.c
+**
+** This file is in the public domain.
+*/
+#include "all.h"
+#include "../pit.h"
+
+/* declarations
+*/
+  extern u2_ho_jet j2_mcj(Pt5, ed, sign)[];
+
+/* structures
+*/
+  u2_ho_driver
+  j2_mbd(Pt5, ed)[] = {
+    { j2_sc(Pt5, ed, sign), j2_mcj(Pt5, ed, sign), 0, 0, u2_none },
+    {}
+  };
+
+  u2_ho_driver
+  j2_db(Pt5, ed) =
+    { j2_sb(Pt5, ed), 0, j2_mbd(Pt5, ed), 0, u2_none };
diff --git a/gen164/5/ed_sign.c b/gen164/5/ed_sign.c
new file mode 100644
index 000000000..0baa2c363
--- /dev/null
+++ b/gen164/5/ed_sign.c
@@ -0,0 +1,51 @@
+/* gen164/5/ed_sign.c
+**
+** This file is in the public domain.
+*/
+#include "all.h"
+#include "../pit.h"
+
+#include <ed25519.h>
+
+/* functions
+*/
+  u2_weak                                                         //  transfer
+  j2_mc(Pt5, ed, sign)(u2_wire wir_r,
+                        u2_noun a,                                 //  retain
+                        u2_noun b,                                 //  retain
+                        u2_noun c)                                 //  retain
+  {
+    c3_y sig_y[64];
+    c3_y sec_y[64];
+    c3_y pub_y[32];
+
+    c3_w secm_w = u2_met(3, b);
+    c3_w pubm_w = u2_met(3, c);
+
+    c3_w mesm_w = u2_met(3, a);
+
+    c3_y* mes_y = 0;
+
+    if ( 64 < secm_w ) {
+      return u2_bl_bail(wir_r, c3__exit);
+    }
+    if ( 32 < pubm_w ) {
+      return u2_bl_bail(wir_r, c3__exit);
+    }
+
+    mes_y = c3_malloc(mesm_w);
+    u2_cr_bytes(0, mesm_w, mes_y, a);
+    u2_cr_bytes(0, 64, sec_y, b);
+    u2_cr_bytes(0, 32, pub_y, c);
+
+    ed25519_sign(sig_y, mes_y, mesm_w, pub_y, sec_y);
+    free(mes_y);
+    return u2_ci_bytes(64, sig_y);
+  }
+/* structures
+*/
+  u2_ho_jet
+  j2_mcj(Pt5, ed, sign)[] = {
+    { ".2", c3__lite, j2_mc(Pt5, ed, sign), u2_jet_test|u2_jet_live, u2_none, u2_none },
+    { }
+  };