How do I generate master key from the root seed

1. bips

   1 1,287 9,878 9.5 Wikitext

   Bitcoin Improvement Proposals

   

   The seed created by HMAC hashing the recovery mnemonic is the output of BIP39 and the input to BIP32 https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki

2. Civic Auth

   www.civic.com featured

   Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.

   

3. bip39

   2 770 3,799 2.7 JavaScript

   A web tool for converting BIP39 mnemonic codes

   

   I created a mnemonics and it is hashed using pbdkf2 function and I got a root seed. So this root seed should be hashed again with HMAC-SHA512 to get the master key (Master private key and chain code). So for a HMAC-SAH512 we need a key and data, so in this case what should be the key? Data should be the root seed and what should I give as key in hmac function. I gave "Bitcoin Seed" as key and generated a hash, but it is not matching the output showed in https://iancoleman.io/bip39/ website

4. python-mnemonic

   3 72 890 4.2 Python

   :snake: Mnemonic code for generating deterministic keys, BIP39

   

   Checkout the bip https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki and this code https://github.com/trezor/python-mnemonic

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