Question 129879 in Xcode Question posted in
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Xcode – Transfer Sparkle Updater private key signature EdDSA (ed25519) to new computer

I have an XCode 12.4 Swift project that I have been distributing since 2 years. I’m using the Sparkle-Project updating mechanism. macOS 10.15.7
I want to slowly migrate to a new Mac, XCode 13.4, macOS 12.6.5.

I’m having problems transferring my Sparkle private key signature EdDSA (ed25519).
I can’t export the key from Keychain, the option is greyed out.
This user had similar issues:
Sparkle Integration with security in mac app cocoa

I think that using a new key signatur with Sparkle’s generate_keys tool will render my XCode project unusable until I have it up and running on the new machine.

Is there a way to export or transfer the key?

Sparkle documentation mentions key rotation but I don’t understand what that means.

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Answers


  1. Chosen as BEST ANSWER
    0

    With Sparkle 2 it is now possible to export/import the key with their generate_keys tool in Terminal.

    Export:

    generate_keys -x my-private-key-file

    Import:

    generate_keys -f my-private-key-file

  2. 0

    Please try the following:

    • On the old Mac open Keychain.app.
    • Create a new custom keychain with ⌥⌘N.
    • Copy the keys and items you need with ⌘C/⌘V to the new created keychain.
    • Quit Keychain.app, goto ~/Library/Keychains (~ is your home folder) and copy the file with the name of the new keychain to the same location on the new computer.
    • On the new computer open Keychain.app.
    • If the custom keychain does not appear add it with ⇧⌘A.
    • Copy the items to the Login keychain.
    • Delete both custom keychains on both machines.
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