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Editorial Team
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Asked: 2026-05-24T19:38:46+00:00

For aesthetic reasons, I would like to use the same private key that I

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For aesthetic reasons, I would like to use the same private key that I used to create my distribution certificate a while ago, to create a new development certificate (my old one expired). But the “How to create a development certificate:” on the iOS provisioning portal require that you use Keychain Access create a new key. When I try to do Keychain Access > Certificate Assistant > Request a Certificate From a Certificate Authority With “(my key name)” the Certificate Assistant doesn’t actually create a CSR file.

Does anyone know if this can be done, and if so, how?

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  1. Editorial Team

    First, I had to export my private key from the keychain as a p12 file. I tried scripting this, but was unsuccessful.

    1. Open keychain and select your private key
    2. Right-click and select “Export “
    3. Use a p12 file type.

    Run the following openssl command to convert your password-protected p12 file to a pem. openssl will prompt for a password.

    openssl pkcs12 -in your-newly-exported-p12-file.p12 -out your-newly-exported-p12-file-as-a-pem.pem -nodes

    Run the following command on your pem file to generate the csr.

    openssl req -new -key your-newly-exported-p12-file-as-a-pem.pem -out your-csr-to-submit-to-apple.csr
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