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From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Tue, 29 Aug 2017 17:03:30 +0100
Subject: [PATCH] crypto: fix test cert generation to not use SHA1 algorithm

GNUTLS 3.6.0 marked SHA1 as untrusted for certificates.
Unfortunately the gnutls_x509_crt_sign() method we are
using to create certificates in the test suite is fixed
to always use SHA1. We must switch to a different method
and explicitly ask for SHA256.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
---
 tests/crypto-tls-x509-helpers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/crypto-tls-x509-helpers.c b/tests/crypto-tls-x509-helpers.c
index 64073d3bd3..173d4e28fb 100644
--- a/tests/crypto-tls-x509-helpers.c
+++ b/tests/crypto-tls-x509-helpers.c
@@ -406,7 +406,8 @@ test_tls_generate_cert(QCryptoTLSTestCertReq *req,
      * If no 'ca' is set then we are self signing
      * the cert. This is done for the root CA certs
      */
-    err = gnutls_x509_crt_sign(crt, ca ? ca : crt, privkey);
+    err = gnutls_x509_crt_sign2(crt, ca ? ca : crt, privkey,
+                                GNUTLS_DIG_SHA256, 0);
     if (err < 0) {
         g_critical("Failed to sign certificate %s",
                    gnutls_strerror(err));