Code Signing Certificates

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Internet users increasingly need assurance that they can trust web sites and downloads. A Comodo Code Signing Certificate allows developers to add a layer of assurance that tells users that their software can be trusted and does not come from a malicious hacker.

A Code Signing Certificate allows IT developers to digitally sign their software before distribution over the Web. End users downloading your digitally signed 32-bit or 64-bit program can be confident that the code has actually come from you and has not been modified since it was signed.

Code Signing Certificate

Features of Code Signing Certificate

  • Verifies publisher's identity
  • Creates a trusted sales outlet
  • Maintains content authenticity
  • Protects software from tampering
  • Improves customer confidence
  • Improves software downloads
  • Creates a trusted distribution outlet
  • Protects the integrity of software publisher
  • Compatible with all major platforms

What is Code Signing Certificate?

When customers buy software from a store, the source of that software is evident. Customers know who published the software, and also see whether the package has been unsealed. These factors enable them to make decisions about what software to buy and how much to rely on those products.

Customers downloading applications signed with a Code Signing Certificate from your website can be confident that code comes from you and not been altered since its creation and signing. A Digital ID acts as virtual "shrink-wrap" for your software. If your code is tampered in any way, after it is signed, the digital signature will break and cautions customers that the code is not credible.

When customers download software signed with a Code Signing Certificate issued by Comodo they can be assured of:

  • Content Source: End users can confirm that the software really comes from the publisher who signed it.
  • Content Integrity: End users can verify that the software has not been modified since it was signed.

Features & Benefits of Code Signing

Customer Confidence
They assure customers that you are trustworthy enough to do business with.

Authenticity
After downloading, end users can be sure that the code they obtained really came from you, helping you preserve your business reputation and intellectual property. Digital ID's allow customers to identify the author of digitally signed code and contact them should an issue or query arise.

Widely Supported
Comodo Code Signing Certificates are compatible with all major formats, including Microsoft Authenticode (including kernel-mode signing), Adobe Air, Apple applications and plug-ins, Java, MS Office Macro and VBA, Mozilla object files and Microsoft Silverlight applications. Comodo Code Signing certs are trusted by Windows XP and upwards, including Windows 10.

Seamless Integration with Industry-Standard Technology
Most browsers will not accept action commands from downloaded code unless the code is signed by a certificate from a trusted Certificate Authority, such as Comodo.

Ease of Use
Code signing certificates are easy to use in conjunction with the vendor software tools that developers use to create products, macros and objects.

How does Authenticode work with Comodo Digital IDs?

Microsoft Authenticode relies on industry standard cryptography techniques such as X.509 v3 certificates and PKCS #7 and #10 signature standards. These are proven cryptography protocols, which ensure a robust implementation of code signing technology.

A certificate for Microsoft Authenticode uses a digital signature to assure users of the origin and integrity of software. In a digital signature, the private key generates the signature, and the corresponding public key validates it. To save time, the Authenticode protocols use a cryptographic digest, which is a one-way hash of the document.

For more about the Code Signing process and the HTTPS protocol, refer to the SSL Tutorial from the Comodo Certificate Authority

Purchase or renew code signing certificates -

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Marcel Cousineau
08/13/2015
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App team

We are a team of freelancing app devs and we're working on a fitness app. This certificate has ensured our code is properly insulated while still being accessible to the desired people.

Olga Brusnikina
08/12/2015
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Neat Certificate

During my one year subscription of Comodo's Code Signing Certificate, I thoroughly looked out for any flaws that might be out there. But nope, it just kept me guessing without any clue.

Maria Hofl
08/12/2015
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Another great Certificate from Comodo

Comodo caters to all customer types. I had their SSL and wildcard when I needed them, and now this. It's same great protection packaged differently for custom needs.

Dallas Braden
08/12/2015
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Still learning

I don't have the knack to understand complex stuffs like Code Signing certificate, I got it simply to protect my website. And so far, the Comodo team has been showing me around and it looks great.

Jason Muzzatti
08/11/2015
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Prompt service

I got my certificate issued within a matter of minutes. The customer care team followed up to check if everything was up and running, and they would call back routinely to see if everything was A-OK. Now that's what I call a great after-sales service.