Signing Certificates

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A signing certificate is a digital identity used for code signing during the build and archive process.

Posts under Signing Certificates tag

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Developer ID Certificate (How to replace damaged certificate?)
How do I replace an Apple Developer ID Certificate that indicates it is not trusted? When I look at my Certificate Expiring 02-20-2025, I see a valid status displayed. (See annotation #1.) However, when I look at my Apple Developer ID Certificate renewal, I see the words not trusted. (See annotation #2.) I downloaded the renewal certificate and double double-clicked the downloaded item to place it in my KeyChain. This certificate period is from 01-21-2025 to 01-22-2030. QUESTIONS Why does the renewal certificate say "certificate is not trusted"? (Its period is 01-21-2025 to 01-22-2030. Today is 01-27-2025.) How did the renewal certificate get damaged? What must I do to get the damaged certificate replaced with a valid one?
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Jan ’25
Wrong Team ID on Certificate problem.
Hello, first of all thanks for reading my post. I am having a trouble about Signing & Capabilities part on Xcode during few days. Hope someone knows how to deal with this. I created a Apple Development certificate with CSR on my MacOS through KeyChain but the Team ID(VC78G4S77J) on this certificate is different with my real Team ID(FYF9AT8ZA8) logged in. I don't even know where this 'VC78G4S77J' came from. Also I created the identifier, bundle ID, device and profile but they were all created with 'FYF9AT8ZA8'. So here is the problem. On Xcode Signing & Capabilities section, I selected Team and put Bundle Identifier connected with 'FYF9AT8ZA8' but Signing Certificate is shown as 'Apple Development: My ID (VC78G4S77J). Therefore when I build iOS simulator on Xcode or VScode, there is error 'No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "FYF9AT8ZA8" with a private key was found.' If I try turn off 'Automatically manage signing' and select provisioning profile I created, Xcode said my profile does not include VC78G4S77J certificate, because my profile has FYF9AT8ZA8 certificate. Importing profile file is not helpful also. I think, first delete the all VC78G4S77J certificate in KeyChain and recreate FYF9AT8ZA8 certificate through KeyChain/CSR, however again VC78G4S77J certicate was created when I created on 'developer.apple.com'. I truly have no idea where did VC78G4S77J come from. Please let me solve this issue.. Warm regards.
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Jan ’25
Could not find appropriate signing identity
I am attempting to sign a *.pkg for distribution but I get "Could not find appropriate signing identity for 'Developer ID Application: CompanyName'. I'm calling this command to sign: productsign --sign 'Developer ID Application: CompanyName' "unsigned.pkg" "signed.pkg" I've downloaded the WWDR Intermediates, when I go through Keychain Access > Certificate Assistant > Evaluate on the cert and select "Code Signing" I get "Evaluation Status: Success" and "Certificate Status: Good". Additionally my certificate shows up as valid in my keychain. I'm at a loss for what is going on.
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Jan ’25