xmlsecurity: expose the certificate's SHA-256 checksum in the NSS backend

OOXML export will need an SHA-256 hash of the certificate, introducing
a css::security::XCertificate2 just for this would be probably an
overkill. The same will have to be done in the mscrypto backend in the
near future.

Change-Id: Id2df06416a713927edd60e1253ff8e1c09dd706a

1 files changed, 34 insertions, 0 deletions

diff --git a/xmlsecurity/inc/certificate.hxx b/xmlsecurity/inc/certificate.hxx
new file mode 100644
index 000000000000..2c0e0498bcf9
--- /dev/null
+++ b/xmlsecurity/inc/certificate.hxx
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_XMLSECURITY_INC_CERTIFICATE_H
+#define INCLUDED_XMLSECURITY_INC_CERTIFICATE_H
+
+#include <sal/types.h>
+
+namespace xmlsecurity
+{
+
+/// Extension of css::security::XCertificate for module-internal purposes.
+class SAL_NO_VTABLE SAL_DLLPUBLIC_RTTI Certificate
+{
+public:
+
+    /// Returns the SHA-256 thumbprint.
+    virtual css::uno::Sequence<sal_Int8> getSHA256Thumbprint() throw (css::uno::RuntimeException, std::exception) = 0;
+
+protected:
+    ~Certificate() throw () {}
+};
+
+}
+
+#endif // INCLUDED_XMLSECURITY_INC_CERTIFICATE_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */