error 0
 ==1172== Memcheck, a memory error detector
 ==1172== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
 ==1172== Using Valgrind-3.15.0.GIT and LibVEX; rerun with -h for copyright info
 ==1172== Command: ./try
 ==1172==
 ==1172== Conditional jump or move depends on uninitialised value(s)
 ==1172==    at 0x4028C0: gf2mat_rand_inv (blas.h:484)
 ==1172==    by 0x402703: gui_genkey_debug (gui.c:62)
 ==1172==    by 0x402918: gui_genkey (gui.c:91)
 ==1172==    by 0x40238E: crypto_sign_gui448_amd64_keypair (sign.c:15)
 ==1172==    by 0x401333: test (try.c:112)
 ==1172==    by 0x402012: main (try-anything.c:295)
 ==1172==  Uninitialised value was created by a heap allocation
 ==1172==    at 0x4C2BE6D: malloc (vg_replace_malloc.c:309)
 ==1172==    by 0x402824: gf2mat_rand_inv (blas.h:474)
 ==1172==    by 0x402703: gui_genkey_debug (gui.c:62)
 ==1172==    by 0x402918: gui_genkey (gui.c:91)
 ==1172==    by 0x40238E: crypto_sign_gui448_amd64_keypair (sign.c:15)
 ==1172==    by 0x401333: test (try.c:112)
 ==1172==    by 0x402012: main (try-anything.c:295)
 ==1172==
 ==1172== Conditional jump or move depends on uninitialised value(s)
 ==1172==    at 0x4028C0: gf2mat_rand_inv (blas.h:484)
 ==1172==    by 0x402768: gui_genkey_debug (gui.c:67)
 ==1172==    by 0x402918: gui_genkey (gui.c:91)
 ==1172==    by 0x40238E: crypto_sign_gui448_amd64_keypair (sign.c:15)
 ==1172==    by 0x401333: test (try.c:112)
 ==1172==    by 0x402012: main (try-anything.c:295)
 ==1172==  Uninitialised value was created by a heap allocation
 ==1172==    at 0x4C2BE6D: malloc (vg_replace_malloc.c:309)
 ==1172==    by 0x402824: gf2mat_rand_inv (blas.h:474)
 ==1172==    by 0x402768: gui_genkey_debug (gui.c:67)
 ==1172==    by 0x402918: gui_genkey (gui.c:91)
 ==1172==    by 0x40238E: crypto_sign_gui448_amd64_keypair (sign.c:15)
 ==1172==    by 0x401333: test (try.c:112)
 ==1172==    by 0x402012: main (try-anything.c:295)
 ==1172==
 Alarm clock