Questions tagged [code-signing]
The code-signing tag has no usage guidance.
58
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Block drivers signed by specific code signing certificate
I have quite an unusual problem. I like to have everything on my PC containerized and therefore I run type 1 hypervisor like KVM (Proxmox) or VMware ESXi on my computers. The issue I am trying to ...
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How do you know if a code signing certificate for a file is ok?
Which things should you look out for, to indicate all looks okay, when viewing a downloaded file's "Digital Signatures" tab in Windows 10?
What are the signs there may be an issue with the ...
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48
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Why is GPO causing User Software Installation to fail?
I have an MSI that I'm trying to install via GPO User Configuration Software Installation. The EXE within it is signed with a Code Signing certificate which is issued by our Active Directory ...
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For Cybersecurity Newbies: How do I download the .asc file to verify a detached signature with Kleopatra
I am new in the world of cybersecurity, and I am attempting to install Nmap and Zenmap. Before I open the executable file to install Nmap, I want to verify the detached PGP signature through Kleopatra....
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How to signtool sign with private key
I got a EV code signing cert from sectigo, the file is a binary file called user.crt.
When I try to sign my program with it:
signtool sign /debug /fd SHA384 /f user.crt program.exe
I get this:
After ...
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104
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How to setup a code signing certificate to use it with SignTool.exe and /a option?
I just reinstalled my development and publishing environment on a new system. On my previous system, I was able to sign code with my certificate using the signtool.exe command and the "/a" ...
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1
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Do I need to code sign my executables to add my application to WinGet?
The WinGet spec lists the Minimal singleton YAML file example (which I will display below as of 6/17/2021) shows a SignatureSha256 value, which I think signifies that the executables must be signed... ...
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Code Signature Invalid with SIP enabled in macOS Big Sur
I'm trying to install some app on macOS Big Sur 11.3, which requires disabling SIP to authorize the application from settings > security & privacy. Problem is: the app is installed and works ...
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80
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Get hash after decrypt (code) signature with the public key
I am new to code signing. After signing my message I get a public key and pkcs7 certificate. I am trying to manually compare the hash of my massage with the hash I get after decrypting the signature ...
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OV code signing certificate provider without personal address on certificate?
Which CA can provide me with personal (OV) code signing certificate that will not include my address? Some include only city but not everyone lives in a big city to feel comfortable with that. ...
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How to revoke a GPG Key and upload in GPG server?
I have create GPG Keys for code signing and created a revocation certificate also. As far as I know, if key is compromised then i can revoke the key using revocation certificate.
Can someone suggest ...
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1
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How to store GPG keys in TPM
Am working on GPG mechanism to code sign my debian packages. I have generated both Master Key pair and Subordinate Key pairs to sign my packages. Now i want to store my key-pair in TPM hardware ...
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Executable file not opening after signing
I built my EXE yesterday. When the EXE file is unsigned, it works normally. When I signs my file with DigiCert code signing certificate, after I sign my file, I opens it, it does not open anymore.
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How to codesign gdb on OS X Mojave?
After installing gdb from homebrew (via $ brew install gdb), I followed these instructions to give gdb permissions to attach to a process.
When I got to the step that runs the command:
$ codesign --...
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1
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77
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Convert authenticode to kernel-mode certificate
another new question. I have an Authenticode certificate and a driver. That driver is a kernel-mode driver, so I need to sign it using kernel-mode code signing. But my certificate is normal code ...
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How to manually sign Kali for UEFI
I have a laptop running Win10Pro and has UEFI. I have a USB stick with Kali on it.
If I disable Secure Boot, I can boot from Kali with no problem, but then Win10/BitLocker complains. Naturally, I ...
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Windows 10 Driver(without hardware device) with Error 39, 0xc0000603, Certificate Revoked
Well, the driver was signed by EV Signing Certificate and Microsoft Windows Hardware Compatibility Publisher(WHLK\WHQL)
With Secure Boot on Win 10 machine, I got the error code 39(Windows cannot ...
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Distribution of Code Signing certificate - best practices? [closed]
Distribution of Code Signing certificate - best practices?
Note: I'm an absolute newbie when it comes to code signing and software certificates. I've tried to search and read about how to solve our ...
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1
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Signing Apple Wallet Pass OpenSSL
I'm trying to create a pass signing server to dynamically create Apple Wallet passes using OpenSSL and standard pass templates provided by Apple but I can't seem to get the pass to show up using the ...
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130
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Windows 10 Administrator rights needed when dev command prompt is run as administrator
Maybe I work today too long but:
What are the additional (another) admin rights?
Windows is killing me.
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1
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493
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How to use PIV smartcards (YubiKey 4) to sign application binaries?
I am about to start using my YubiKey 4 (RSA 2048 bit key) for signing application binaries. There a quite a few tutorials about how to setup this. It seems that most tutorials based on the original ...
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Why Windows Defender SmartScreen does not show publisher name of a signed executable?
I have purchased a Standard Code Signing certificate from Digicert and I do not understand why my executable, although signed with a certificate from a trusted CA is displayed as Unknown Publisher by ...
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122
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Can PHP/Linux perform Microsoft Authenticode code signing?
My organization is currently in the process of obtaining a Microsoft Authenticode and we would like to see if we can integrate it into our current PHP-based deployment process.
Can PHP (or a shell ...
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2k
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Windows 10 x64 fails to install signed device drivers, although everything is reported to be okay
I am currently struggling with Windows 10 device driver signing, my company has developped some drivers for Windows 10 x86 and x64, which I try to sign using a SHA1 certificate. I know SHA1 is not the ...
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334
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how to timestamp a binary (.jar) after signing
I have a jar which I want to sign and timestamp with timestamping server(tsa). I am using the following command to codesign and timestamp the binary.
jarsigner -verbose -keystore macert.p12 -...
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1
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1k
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SHA-2 Code Signing questions
First and foremost, this is my very first experience with Code Signing.
I bought Standard Code Signing from Certum for 3 years.
It is SHA-2 based:
Secured by the SHA-2 function
They are all ...
- 3,762
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0
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416
views
Application suddenly showing as unverified publisher
We have a third party application running on a customer's desktop.
A week ago this was running fine, then a 'new license was applied' by the third party support team which 'didn't change anything' ...
- 1,467
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1
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7k
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macOS Sierra - error: The specified item could not be found in the keychain - within ssh
When I try to run codesign --force --deep-verify --verbose --sign "CERT-NAME" ... over SSH I always get an error: The specified item could not be found in the keychain.
But when I run the same ...
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365
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Why isn't Windows 10 1607 rejecting my driver?
I have built my own version of the OpenVPN TAP driver (NDIS5) and have to package it with my application. From the anniversary update of Windows 10 (1607), Windows is supposed to reject the signature ...
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1
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2k
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How do I uninstall an application whose installer has a revoked signing certificate
Several years ago I installed an application called Net Limiter on my then Windows 7, since upgraded to Windows 10, machine. Earlier today I attempted to uninstall it while cleaning up applications ...
3
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2
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142
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Is there any limitation on the number of applications that can be signed with one certificate?
I bought a code signing certificate (in my name) for windows and I signed 2 apps with it (the 32 bit and 64 bit versions of my app), both apps seems to be signed properly but I don't know if each ...
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479
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How to removed signed trusted app from Mac OSX?
On my Mac OSX machine I ran an app that was correctly signed by my organization, but not downloaded from the app store. Now when I go into Gatekeeper and change the allow apps setting to only the app ...
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4
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Signtool can't do SHA256 signing on Windows 7
I have been using SHA1 signing for many years, but from 2016, Windows is forcing developers to use SHA256.
Windows Enforcement of Authenticode Code Signing and Timestamping
By using Windows 7 SDK ...
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0
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47
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OS X Gatekeeper bypassed when application is owned by root
I understood that the purpose of OS X Gatekeeper was to block software without proper code signing. However, changing applications to be owned by root overrides this behavior.
Enable Gatekeeper and ...
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461
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How to unsign an application?
In Windows 10 it is possible to run unsigned applications but it is not possible to run signed applications where the signature has expired.
Is there any way to rip the signature out of an ...
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1
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How can we add imported Developer certificates in Mac can be added to key chain
I googled a lot for this solution, but couldn't find a proper one. when i try to add imported certificate in key chain by using following
sudo security add-trusted-cert -d -r trustRoot -k “/Library/...
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3
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How to get ExpressCard 34 USB3 working on Apple Mac OS X 10.10 / 10.11 + (via 1 or more of: kexts,signing or choosing compatible models/chipsets)?
Note that I want to try this manual approach first before using MultiBeast. Failed to do the driver install—failure message on screen—when I last tried last week or any other automated tool.
I want ...
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Is it possible to get someone's code signing certificate revoked?
I recently had to clean up someone's computer because they were tricked into installing a bunch of things without their knowledge. The horrible thing about it was that the installer was signed with a ...
user41608
2
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1
answer
1k
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Create self signed certificate for internal application
We have an internal developed VSTO application as a Word Add-in and I need to deliver silently to a Windows 7 SOE. The domain is 2008 R2 based.
However, when I script the installer, it comes up with "...
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How to determine if an application is signed with an extended validation (EV) code signing certificate
I know it is possible to view an application digital certificate by right-click->properties->digital signatures, but I cannot tell whether an application is signed with an EV or a regular code signing ...
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717
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How to restart Windows 8 directly to Startup Settings menu?
I need to restart Windows 8 with no driver signature check mode.
I use shutdown -o -r command, then I need click Troubleshoot, then Advanced Options, then Windows Startup Setting, then Restart and ...
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1
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Microsoft signed driver appears as publisher not verfied
Task at hand: Microsoft sign drivers on Win 7.
I microsoft signed my driver package 3 times every time thinking I might have missed a step or something. However, I cannot seem to get rid of the ...
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4
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How to sign a Windows batch (.bat) file?
I'm running Windows 7 and when I try to run a batch file, it says, "The publisher could not be verified. Are you sure you want to run this software?"
So when I try to sign it with my code ...
user41608
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1
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1k
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Digitally Signing Software - self signing cerificate
I'd like to experiment with signing a software executable. I am afraid that there is something that escapes me.
I will get to the point where I will acquire a certificate from a CA, but before then I ...
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48
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How to confirm that two files were signed by the same company?
I have two files in Windows XP. Both have a "Digital Signatures" tab. How can I confirm that they were both signed by the same company? I do not want to do this programatically, but by using the ...
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Constantly having to restart Windows 7 to time-stamp installer... Why?
I am using a Windows 7 (64-bit) machine as a build server and have encountered a strange problem.
One of my build steps is to apply a code signing certificate using a command like this:
signtool ...
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2
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What is the effect of dlls not being signed
On running SigCheck on my Windows box, I noticed quite a few dlls that are unsigned.
For eg:
c:\windows\system32\amdocl64.dll:
Verified: Unsigned
File date: 10:47 AM 9/14/...
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356
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Do code-signed executables (signtool.exe) run properly on Windows 98?
Unfortunately I don't have a Windows 98 machine to test this out on. Does anyone know if executables code-signed with SignTool.exe (on Windows 7) will run properly on Windows 98?
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How to install authrootstl.cab offline?
When I try to install the authrootstl.cab offline it won't work.
The certificates are installed but Windows doesn't trust the file, and will continue to try to download it. It says the list signing ...
- 15.3k
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What are the Windows system certificate stores?
When adding certificates, stls, ctls and crls to the system, I can choose the certificate store.
I have found only references to the "my" and "root" stores so far.
Are there any other?
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