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Export Key

Users can at any time request to "export" their keys into a private key.

Step 1 : Create Session

Step 2 : Perform Export

  • Call trioSession.export() with the keyId which returns Result of Success with the exported private key bytes as Data or Failure with error.

Example

Example.swift
    // export reconstructs the raw private key for the key addressed by keyId (the
    // SDK handles backup encryption internally, with no HTTP roundtrip). Treat the
    // result like any private key — encrypt it at rest — and bring it back under
    // MPC later with trioSession.import(keysharePrivateKey:).
    func exportPrivateKey(keyId: String, trioSession: TrioSession) async -> Data? {
        let result = await trioSession.export(keyId: keyId)
        // returns nil if the operation fails, or handle it however your flow needs
        switch result {
        case .success(let privateKeyBytes):
            // do something with the reconstructed private-key bytes
            Swift.print(privateKeyBytes)
            return privateKeyBytes
        case .failure(let error):
            // show the error to the user or abort the process
            Swift.print(error)
            return nil
        }
    }
  • keyId: Identifies the client's (In this case mobile) key to export. The SDK loads the keyshare from your StorageClient and handles the backup encryption internally.