Visual Installer's code signing
function has been updated
What is the difference between SHA-1 and SHA-2?
How do I code sign a setup package?
Q&A about code signing and digital certificates
More news on Facebook
In January 1, 2016, a big change occurred that affects
all who code sign software and
installation packages. If you are one of them that
regularly code sign binary files or installation
packages, you should read the next section carefully.
This is especially important if you use Visual Installer
to create your setup packages.
This issue of our newsletter is a special issue that
covers code signing and digital certificates.
VISUAL INSTALLER'S CODE SIGNING
FUNCTION IS UPDATED
Since January 1, 2016, Windows 7 and newer Windows will
no longer trust software that is signed with a SHA-1
code signing certificate, if the software is downloaded
from the Internet and the software is time-stamped with
a date newer than January 1, 2016.
This means that if you code sign a binary file (for
example an EXE file) this year and uses SHA-1 as a hash
algorithm, it will not be trusted in newer Windows.
Harsh warning messages will be shown, and in many cases
the software can not even be installed.
Instead you must use a SHA-2 (SHA-256) code signing
certificate; then the binary file will be trusted by
Windows 7 and newer.
We have updated our installation tool
to support SHA-2 (SHA-256) when it code signs a setup
package. We have also updated Visual Installer to
support dual signing, so you can code sign a setup
package with both SHA-1 and SHA-2. This is very useful
if you have software that should be able to run also in
For further information about the updated code signing
function in Visual Installer, read this blog post:
Installer now supports SHA-2 and dual code signing
WHAT IS THE DIFFERENCE BETWEEN SHA-1
As we wrote above, Visual Installer now supports both
the SHA-1 and SHA-2 hash algorithms when
it code signs setup packages. But maybe you wonder what
this really means and what the difference is between
SHA-1 and SHA-2? We will give you an explanation in this
is SHA-1 and SHA-2 & what’s the difference between
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USB Menu Creator is a special bundle that
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HOW DO I CODE SIGN A SETUP
you don't know how to code sign a setup package when
using Visual Installer, we recommend you to read the
following step-by-step tip. It explains how to choose a
proper code signing tool and how to code
sign a setup package from Visual Installer:
How to code sign a setup package
Q&A ABOUT CODE SIGNING AND
We recommend you to also read this Q&A page on our
web site about code signing and digital certificates:
is Code Signing / Digital Signature / Digital
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