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 not working after Apple ID password change
Hi everyone, After I recently changed my Apple ID (iCloud) password, my Developer ID certificate stopped working for signing macOS apps. Symptoms: Signing fails with the Developer ID certificate that was previously working fine. I tried re-downloading the certificate from my Apple Developer account and importing it into the Keychain, but the issue persists. It seems that the Developer ID identity is no longer trusted or properly linked to my system since the password change. Attempts: Re-downloaded and installed the certificate from the developer portal. Verified that the private key is present and linked. Checked keychain access and code-signing identity — everything appears normal, but the signed apps are rejected or the signing process fails. Blocking issue: I am unable to delete or revoke the Developer ID certificate on my account (Apple Support says it's not possible). Also, I can't create a new one due to the certificate limit. Questions: Is it expected for a Developer ID certificate to become invalid after changing the Apple ID password? Is there a recommended way to refresh or restore the certificate trust on macOS? How can I invalidate the current certificate and generate a new one if I'm stuck? Any insights or official guidance would be really appreciated. Thanks in advance!
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226
Jul ’25
Exporting valid certificate as .p12
I have a valid Developer ID Certificate, I've used it to sign an app locally and send the app to other machines of my colleagues to make sure it works and does not get triggered by GateKeeper Now I want to automate the process of signing and notarization on github actions and so I want to export my certificate and upload it there. Initially I tried uploading both the Developer ID Certificate and the G2 CA both as .cer files encoded in base64. But apparently I need my certificate to be in .p12 format When I try to export it from keychain access the option to export as .p12 is disabled. So how can I do it ?
1
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366
Jul ’25
DEVELOPER_ID_APPLICATION_G2 is not recognized by ASC API
Hi, ASC API call rejects DEVELOPER_ID_APPLICATION_G2 and does not recognize it, even though it is listed as a valid certificateType in the docs: https://developer.apple.com/documentation/appstoreconnectapi/get-v1-certificates. If it was removed from the certificate list, then why Apple forces to choose the G2 type when creating a DEVELOPER_ID_APPLICATION certificate manually in the Apple Developer account. Can someone from Apple support please check it as it is a contradictory behavior and is a blocker.
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200
Jun ’25
Developer ID certificate not working after Apple ID password change
Hi everyone, After I recently changed my Apple ID (iCloud) password, my Developer ID certificate stopped working for signing macOS apps. Symptoms: Signing fails with the Developer ID certificate that was previously working fine. I tried re-downloading the certificate from my Apple Developer account and importing it into the Keychain, but the issue persists. It seems that the Developer ID identity is no longer trusted or properly linked to my system since the password change. Attempts: Re-downloaded and installed the certificate from the developer portal. Verified that the private key is present and linked. Checked keychain access and code-signing identity — everything appears normal, but the signed apps are rejected or the signing process fails. Blocking issue: I am unable to delete or revoke the Developer ID certificate on my account (Apple Support says it's not possible). Also, I can't create a new one due to the certificate limit. Questions: Is it expected for a Developer ID certificate to become invalid after changing the Apple ID password? Is there a recommended way to refresh or restore the certificate trust on macOS? How can I invalidate the current certificate and generate a new one if I'm stuck? Any insights or official guidance would be really appreciated. Thanks in advance!
Replies
1
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0
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226
Activity
Jul ’25
Exporting valid certificate as .p12
I have a valid Developer ID Certificate, I've used it to sign an app locally and send the app to other machines of my colleagues to make sure it works and does not get triggered by GateKeeper Now I want to automate the process of signing and notarization on github actions and so I want to export my certificate and upload it there. Initially I tried uploading both the Developer ID Certificate and the G2 CA both as .cer files encoded in base64. But apparently I need my certificate to be in .p12 format When I try to export it from keychain access the option to export as .p12 is disabled. So how can I do it ?
Replies
1
Boosts
0
Views
366
Activity
Jul ’25
DEVELOPER_ID_APPLICATION_G2 is not recognized by ASC API
Hi, ASC API call rejects DEVELOPER_ID_APPLICATION_G2 and does not recognize it, even though it is listed as a valid certificateType in the docs: https://developer.apple.com/documentation/appstoreconnectapi/get-v1-certificates. If it was removed from the certificate list, then why Apple forces to choose the G2 type when creating a DEVELOPER_ID_APPLICATION certificate manually in the Apple Developer account. Can someone from Apple support please check it as it is a contradictory behavior and is a blocker.
Replies
2
Boosts
0
Views
200
Activity
Jun ’25