Bip39 Pub Dev Default variety of iterations Utilized in wallets is 2048. Growing this amount really should allow it to be more secure from brute pressure attacks, however you will need to retailer this worth. To access your wallet with custom PBKDF2 you must use this script (or similar) to https://bookmarkingdelta.com/story18560711/bip39-validator-the-basic-principles-of-seed-phrase-generator