Bip 39 Default range of iterations used in wallets is 2048. Escalating this range must help it become more secure in opposition to brute pressure assaults, having said that you'll need to shop this worth. To access your wallet with custom made PBKDF2 you'll want to use this script (or https://tornadosocial.com/story4121193/bip-39-github-the-smart-trick-of-bip39-word-list-that-no-one-is-discussing