Gen_Seed Default number of iterations Employed in wallets is 2048. Raising this number really should help it become safer against brute drive attacks, however you'll have to keep this price. To access your wallet with custom PBKDF2 you ought to use this script (or similar) to determine your BIP39 seed https://bbsocialclub.com/story20384713/the-fact-about-bip39-that-no-one-is-suggesting