As far as I can inform, Bitcoin core (as of v23.0) has no apparent facility to import a grasp personal key and use that key as the premise of a hierarchical deterministic (HD) pockets.
It has a facility for importing extraordinary personal keys of the type that had been generated earlier than implementation of HD key derivation, however I doubt that might do something helpful with a grasp personal key.
As everyone knows, what Bitcoin Core’s builders supposed us to do is to make use of the “Backup Pockets” possibility within the “File” menu and put copies of that in secure locations on different gadgets. Then restore from a type of backups if the lively pockets is broken or misplaced.
Within the “File” menu below “Create Pockets” there’s a checkbox choice to “Make Clean Pockets” whose tooltip says
“Clean wallets don’t initially have personal keys or scripts. Non-public keys and addresses may be imported, or an HD seed may be set, at a later time”.
Nonetheless I consider you do not have the HD seed, solely a grasp personal key derived from such a seed (as I perceive it from BIP32).
I believe that in precept, it’s theoretically attainable to assemble from a grasp personal key, an empty pockets.dat file of the type that Bitcoin core may create when first run and earlier than it has began an preliminary blockchain obtain (IBD) or constructed any indexes or UTXO units and so forth. Then that reconstructed pockets.dat file must be usable with Bitcoin core. Nonetheless I have no idea of any software to do that.
Associated:
Decrypting encrypted keys:
- The best way to use OpenSSL to encrypt/decrypt recordsdata? particularly the solutions that point out the
-iter,-saltand-Ok(key) choices. I’ve not tried this myself. A cautious search could reveal different specialised instruments extra suited to your function.