With gnutls 3.6.0, SHA1 is no longer accepted for certificate signatures. We must usw SHA256 instead. Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com&gt; --- tests/virnettlshelpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/virnettlshelpers.c b/tests/virnettlshelpers.c index 531d0b907..b735c4e2f 100644 --- a/tests/virnettlshelpers.c +++ b/tests/virnettlshelpers.c @@ -384,7 +384,7 @@ testTLSGenerateCert(struct testTLSCertReq *req, * If no 'ca' is set then we are self signing * the cert. This is done for the root CA certs */ - if ((err = gnutls_x509_crt_sign(crt, ca ? ca : crt, privkey)) < 0) { + if ((err = gnutls_x509_crt_sign2(crt, ca ? ca : crt, privkey, GNUTLS_DIG_SHA256, 0)) < 0) { VIR_WARN("Failed to sign certificate %s", gnutls_strerror(err)); abort(); }