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RE: Tomshwom's Advanced Crypto Security Guide (Part 3) - Creating a Secure Wallet
Thanks for your answer! So if I understand this correctly, you are saying that there is no risk that private/public key pairs are falsely generated (do not match!) through the BIP 39/ BIP 44 standard? So if I generate any public key within my wallet there is no need to test whether I can actually access it with the private key (e.g. sign messages, transfer funds)?
I was thinking specifically with MEW in mind, where you input the private key/seed phrase into the "View Wallet Info" tab. With this, you know your private key -> public key without having to send a transaction.
Sorry if it was just bad wording, but this is incorrect. You generate a private key, and the private key's Keccak-256 hash (last 20 bytes) is what ends up being your public key. You do need to make sure that the private key accesses the same public key for every instance of storing your private key, not because the math won't work, but because the private key could've been corrupted or copied wrong.
Thank you! :)