gpg4libre: backport OpenPGP signing from master

This squashes the following commits:

- gpg4libre: share static xmlsec lib between nss and gpg
- gpg4libre: fix gpg signature generation
- gpg4libre: initial GPG signature validation
- gpg4libre: Make signature dialog work with two signing services
- gpg4libre: Having this dllpublic should be fine now since it's in inc/
- gpg4libre: fix build, explicit ctor call
- gpg4libre: now use the gpg security env
- gpg4libre: [API-CHANGE] add certificate kind (X509 vs. OpenPGP)
- gpg4libre: List both (x509 and gpg) existing signatures
- gpg4libre: Init xmlsec in one place before creating the gpg/x509 services
- gpg4libre: write PGPData info, get more metadata out for gpg key
- gpg4libre: Fixup unit tests, now that SecurityContext is needed
- gpg4libre: Make viewing signatures work for gpg signatures
- gpg4libre: some code improvements, add metadata for OpenPGP keys
- gpg4libre: make signature impl swappable in-situ during validation
- gpg4libre: actually take key from user selection
- gpg4libre: fix build for windows and mac

Change-Id: I3e36b22cefba4c6195bcf8b85b3f7a2cc101b845
Reviewed-on: https://gerrit.libreoffice.org/39076
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

3 files changed, 41 insertions, 1 deletions

diff --git a/offapi/UnoApi_offapi.mk b/offapi/UnoApi_offapi.mk
index 0e0a6cad8962..f0e03f2808e1 100644
--- a/offapi/UnoApi_offapi.mk
+++ b/offapi/UnoApi_offapi.mk
@@ -3316,6 +3316,7 @@ $(eval $(call gb_UnoApi_add_idlfiles,offapi,com/sun/star/security,\
 	CertificateCharacters \
 	CertificateContainerStatus \
 	CertificateException \
+	CertificateKind \
 	CertificateValidity \
 	CryptographyException \
 	DocumentSignatureInformation \
diff --git a/offapi/com/sun/star/security/CertificateKind.idl b/offapi/com/sun/star/security/CertificateKind.idl
new file mode 100644
index 000000000000..b1ae35e87ded
--- /dev/null
+++ b/offapi/com/sun/star/security/CertificateKind.idl
@@ -0,0 +1,33 @@
+/* -*- 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 __com_sun_star_security_CertificateKind_idl_
+#define __com_sun_star_security_CertificateKind_idl_
+
+module com { module sun { module star { module security {
+
+/**
+ * Enum definition of a certificate kind ( X509, OpenPGP )
+ */
+enum CertificateKind
+{
+    /** X.509 format of a certificate
+     */
+    X509,
+
+    /** OpenPGP format of a certificate
+     */
+    OPENPGP
+};
+
+} ; } ; } ; } ;
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/offapi/com/sun/star/security/XCertificate.idl b/offapi/com/sun/star/security/XCertificate.idl
index 22f7c6a4a1be..6feaa409ccf2 100644
--- a/offapi/com/sun/star/security/XCertificate.idl
+++ b/offapi/com/sun/star/security/XCertificate.idl
@@ -23,13 +23,14 @@
 #include <com/sun/star/uno/XInterface.idl>
 #include <com/sun/star/util/DateTime.idl>
 #include <com/sun/star/security/XCertificateExtension.idl>
+#include <com/sun/star/security/CertificateKind.idl>
 
 module com { module sun { module star { module security {
 
 /**
  * Interface of a PKI Certificate
  *
- * <p>This interface represents a x509 certificate.</p>
+ * <p>This interface represents a certificate (X.509 or OpenPGP) .</p>
  */
 interface XCertificate : com::sun::star::uno::XInterface
 {
@@ -109,6 +110,11 @@ interface XCertificate : com::sun::star::uno::XInterface
     [attribute, readonly] sequence< byte > MD5Thumbprint;
 
     /**
+     *  the kind of certificate, X.509 or OpenPGP
+     */
+    [attribute, readonly] com::sun::star::security::CertificateKind CertificateKind;
+
+    /**
      * Find a extension with a object identifier.
      */
     XCertificateExtension findCertificateExtension( [in]sequence< byte > oid ) ;