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iOS Keychain Backup Editor

Allows editing of the iOS keychain without a jailbreak by updating the keychain-backup.plist file of an encrypted backup.

This repository is a basic React frontend for irestore with a simple Node.js backend to stitch together various Keychain pieces. It’s beyond the scope of this project for now to re-encrypt the whole backup, the encrypted keychain-backup.plist file can be added to an encrypted backup with a tool like iMazing.

Not all Keychain items are editable as ThisDeviceOnly items are only able to be decrypted with the hardware 0x835 key which is unique to each device.

This technique was originally developed to allow signing in to Feedly with Reeder 4 on older iOS devices.

Running

  1. git clone [email protected]:dnicolson/iOS-Encrypted-Keychain-Editor.git
  2. cd iOS-Encrypted-Keychain-Editor
  3. npm install
  4. npm run start

Editing a Keychain

  1. Create an encrypted backup with iTunes/Finder or iMazing
  2. Enter the absolute path and password into iOS Keychain Backup Editor
  3. Make edits to the Keychain
  4. Click "Download Keychain Backup"
  5. Create an editable backup in iMazing of encrypted backup
  6. Replace the /KeychainDomain/keychain-backup.plist file under "File System"
  7. Restore backup

License

MIT License.