GNUTLS_FORCE_FIPS_MODE=1 GNUTLS_DEBUG_LEVEL=5 certtool
[..]
gnutls[3]: ASSERT: fips.c[load_hmac_file]:318
gnutls[2]: Could not load hmac file: Error while reading file.
gnutls[3]: ASSERT: fips.c[_gnutls_fips_perform_self_checks2]:592
gnutls[1]: FIPS140-2 self testing part 2 failed
gnutls[3]: ASSERT: global.c[_gnutls_global_init]:367
Error in GnuTLS initialization: Error while performing self checks.
global_init: Error while performing self checks.


rpm -q libgnutls-devel
libgnutls-devel-3.7.7-1.3.x86_64