6 Reasons Why Code Signing Is Important

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In today’s world, everything is controlled by code. The software has infiltrated nearly every aspect of our life. As the Internet of Thing grows, software becomes increasingly ingrained at the core of society, energy, and business. As a result, vulnerabilities increase as well. Hackers have demonstrated their ability to use software to wage cyberattacks against a variety of organizations. As a result, providers must be knowledgeable about code signing. Code signing is a cryptographic technique used by programmers to verify the authenticity of the software. Digitally signing applications, firmware or software ensures that their source is secure.

Code Signing

The practice of signing scripts and executables to verify the software publisher’s identity and ensure that the code hasn’t undergone any corruption or alteration updated after it was signed. Certification Authorities verify signers’ identities and attach their public key to a certificate. The certificate is then used in widely circulated systems like Java or Windows to confirm coding signatures to a trusted root certificate.

Certification Authorities and browsers have devised standards for managing and issuing code signing certificates. The standards ensure that programs are evaluated, and that code signing specifications satisfy the most up-to-date cryptographic requirements.

So why code signing?

1.    Helps Users When Installing Software

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Most widespread computing gadgets in the market today include pre-loaded software; however, the software included “out of the box” with the gadget does not constitute everything required over the device’s lifetime. Users will regularly have to download and install additional applications or software, whether for a mobile phone or a computer. In other instances, users are frequently informed by a program on their gadget or by the website they are browsing that they must patch, upgrade or augment their existing software for them to use or experience the offered service.

Software providers can digitally add their signature on their code to assist users in assessing whether they trust it enough to install it. A digital signature confirms the party that signed the code and that it is authentic. Unsigned code is less reliable than signed code, supported by a certificate given by a Certificate Authority acting as a credible third party. Unsigned code should never be trusted since it lacks proof of source or file integrity, meaning the provider cannot be held liable for flaws, and the code is susceptible to alteration.

2.    Protects Code Integrity

Digital signatures confirm code integrity, ensuring that your code isn’t tampered with and published with unapproved modifications. The code’s integrity is maintained if the encryption used to sign the program matches the one on the downloaded program. Users will receive a security alert, or the code will not download if the encryption used fails to match. Code Signing Certificates have an optional timestamp to prolong the validity of your digital signatures. Therefore, your code will retain its validity even if your certificate expires since the certificate’s validity can be confirmed.

3.    Builds Code Reputation

Reputation can be developed for signed and unsigned programs. Signed programs can develop a reputation twice as fast as unsigned programs. Reputation relies on providing a signing certificate and the provider’s authentication by a credible certification body. Signing great programs builds a reputation but are easily reversible if the certificate is utilized to validate malware.

4.    Maximizes Distribution on More Platforms

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The spread of malware and the development of commercial applications for computer and mobile platforms render code signing even more crucial than ever. Because many of the most well-known mobile and online app vendors, like Google Play Store and App Store in the case of Apple, need code signing before allowing it for deployment. Program developers can now deploy their software across a wider range of devices.

5.    Reduces Security Alerts

The level of credibility a code signing certificate gives to a program is unrivalled. Most gadgets come with code signing certificates pre-loaded and are also included in most programs. When a code is signed, it immediately gets accepted for fast download. In addition, if a security alert appears, it is easier to make a case for trusting your code since it has the verification of a third party. However, the application, host, and client security parameters all influence the security alerts.

6.    Ensure Customers Receive a Secure Experience

Code signing aids in creating a seamless customer experience that reduces security alerts and installation problems while increasing code deployment and revenue opportunities. An application with a Code Signing Certificate demonstrates that you are recognized by a reliable third party in digital signing security, ensuring a secure and safe experience for you and your clients.

Who Uses Code Signing?

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Any software packaged and distributed for commercial purposes uses code signing. This code signing is required for a software application to be deployed on a reputable app store, such as the Google Play Store or the Apple AppStore. Many customers won’t download and install software unless it is signed; therefore, even developers who are not using well-known platforms have to use code signing. In addition, there are various sorts of certifications to use depending on which systems the deployed program is compatible with. Some of these computer certificates include Microsoft Office, Java, VBA, Microsoft Office, and Adobe AI. Mobile credentials have Android, Windows Phone, Java Verified, Windows Phone Private Enterprise, and Brew.


The technology landscape is rapidly changing, and so is the war on cybercrime. As a result, businesses will have to upgrade their defences regularly to ensure that they can handle the latest attacks and use the most advanced security mechanisms to preserve their brand’s value.


  1. https://www.forbes.com/sites/jacobmorgan/2014/05/13/simple-explanation-internet-things-that-anyone-can-understand/
  2. https://csrc.nist.gov/CSRC/media/Publications/white-paper/2018/01/26/security-considerations-for-code-signing/final/documents/security-considerations-for-code-signing.pdf
  3. https://docs.microsoft.com/en-us/mem/intune/user-help/you-need-to-enable-code-integrity



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