svl: move byte-array verification from vcl

Also use comphelper::Base64 and
DateTime::CreateFromUnixTime to avoid depending on sax.

Change-Id: If1853f8d9481c9caa0625a111707531bbc495f75
Reviewed-on: https://gerrit.libreoffice.org/39993
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/include/svl/cryptosign.hxx b/include/svl/cryptosign.hxx
index db0abc9f1480..ae82a59b33a4 100644
--- a/include/svl/cryptosign.hxx
+++ b/include/svl/cryptosign.hxx
@@ -14,8 +14,12 @@
 #include <vector>
 
 #include <rtl/strbuf.hxx>
+#include <rtl/ustring.hxx>
+
+#include <com/sun/star/uno/Reference.hxx>
+
 #include <svl/svldllapi.h>
-#include "com/sun/star/uno/Reference.hxx"
+#include <svl/sigstruct.hxx>
 
 namespace com {
 namespace sun {
@@ -24,6 +28,8 @@ namespace security {
     class XCertificate; }
 }}}
 
+class SvStream;
+
 namespace svl {
 
 namespace crypto {
@@ -54,6 +60,13 @@ public:
     /// Returns the signature (in PKCS#7 format) as string (hex).
     bool Sign(OStringBuffer& rCMSHexBuffer);
 
+    /// Verify and get Signature Information given a signature and stream.
+    static bool Verify(SvStream& rStream,
+                       const std::vector<std::pair<size_t, size_t>>& aByteRanges,
+                       const bool bNonDetached,
+                       const std::vector<unsigned char>& aSignature,
+                       SignatureInformation& rInformation);
+
 private:
     /// The certificate to use for signing.
     const css::uno::Reference<css::security::XCertificate> m_xCertificate;