Merge remote-tracking branch 'remotes/berrange/tags/qcrypto-next-pull-request' into staging

Misc crypto subsystem fixes

* Improve error message for large files when creating LUKS volumes
* Expand crypto hash benchmark coverage
* Misc code refactoring with no functional change

# gpg: Signature made Mon 15 Jun 2020 11:35:17 BST
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/qcrypto-next-pull-request:
  crypto: Remove use of GCRYPT_VERSION macro.
  test-crypto-secret: add 'secret_keyring' object tests.
  crypto/linux_keyring: add 'secret_keyring' secret object.
  crypto/secret: move main logic from 'secret' to 'secret_common'.
  crypto: add "none" random provider

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/crypto/random-none.c b/crypto/random-none.c
new file mode 100644
index 0000000000..102f8a4dce
--- /dev/null
+++ b/crypto/random-none.c
@@ -0,0 +1,38 @@
+/*
+ * QEMU Crypto "none" random number provider
+ *
+ * Copyright (c) 2020 Marek Marczykowski-Górecki
+ *                      <marmarek@invisiblethingslab.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+
+#include "crypto/random.h"
+#include "qapi/error.h"
+
+int qcrypto_random_init(Error **errp)
+{
+    return 0;
+}
+
+int qcrypto_random_bytes(void *buf,
+                         size_t buflen,
+                         Error **errp)
+{
+    error_setg(errp, "Random bytes not available with \"none\" rng");
+    return -1;
+}