error 0
 ==3583== Memcheck, a memory error detector
 ==3583== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
 ==3583== Using Valgrind-3.15.0.GIT and LibVEX; rerun with -h for copyright info
 ==3583== Command: ./try
 ==3583==
 ==3583== Conditional jump or move depends on uninitialised value(s)
 ==3583==    at 0x402840: gf2mat_rand_inv (blas.h:244)
 ==3583==    by 0x4026A3: gui_genkey_debug (gui.c:62)
 ==3583==    by 0x402899: gui_genkey (gui.c:91)
 ==3583==    by 0x40238E: crypto_sign_gui312_ref_keypair (sign.c:15)
 ==3583==    by 0x401333: test (try.c:112)
 ==3583==    by 0x402012: main (try-anything.c:295)
 ==3583==  Uninitialised value was created by a heap allocation
 ==3583==    at 0x4C2BE6D: malloc (vg_replace_malloc.c:309)
 ==3583==    by 0x4027A4: gf2mat_rand_inv (blas.h:234)
 ==3583==    by 0x4026A3: gui_genkey_debug (gui.c:62)
 ==3583==    by 0x402899: gui_genkey (gui.c:91)
 ==3583==    by 0x40238E: crypto_sign_gui312_ref_keypair (sign.c:15)
 ==3583==    by 0x401333: test (try.c:112)
 ==3583==    by 0x402012: main (try-anything.c:295)
 ==3583==
 ==3583== Conditional jump or move depends on uninitialised value(s)
 ==3583==    at 0x402840: gf2mat_rand_inv (blas.h:244)
 ==3583==    by 0x4026F9: gui_genkey_debug (gui.c:67)
 ==3583==    by 0x402899: gui_genkey (gui.c:91)
 ==3583==    by 0x40238E: crypto_sign_gui312_ref_keypair (sign.c:15)
 ==3583==    by 0x401333: test (try.c:112)
 ==3583==    by 0x402012: main (try-anything.c:295)
 ==3583==  Uninitialised value was created by a heap allocation
 ==3583==    at 0x4C2BE6D: malloc (vg_replace_malloc.c:309)
 ==3583==    by 0x4027A4: gf2mat_rand_inv (blas.h:234)
 ==3583==    by 0x4026F9: gui_genkey_debug (gui.c:67)
 ==3583==    by 0x402899: gui_genkey (gui.c:91)
 ==3583==    by 0x40238E: crypto_sign_gui312_ref_keypair (sign.c:15)
 ==3583==    by 0x401333: test (try.c:112)
 ==3583==    by 0x402012: main (try-anything.c:295)
 ==3583==
 Alarm clock