BIP32 derives invalid private keys on pure Dart

[brickpop]

When comparing the generated private keys between Rust and Dart, there may be mismatches from time to time.

• Try detecting the error on bip32
• Find a replacement otherwise

Comparison

Mnemonic: return guide exotic stem lazy cancel stamp company purse useless pact affair ripple intact destroy finish kite muffin

Dart

Using BIP32 on pub.dev

• Seed: c5a8442eb1f5d2d884c8747b881bd8b2f5ffe3267b242fe253774442d2afe991ed6b7893ef8dea8cb88101cdfc69e71548a298eeeb6d833a124d7b79b572ad87
• Root key: cdb16d8b08beb6559981dd9da07b9ece699e8e66021116f61c4415c440ed09f0
• Derived private key: 61419a134920f7d5f35db36b01a3149b2633ca59ba7adc87cb59bcd5cd2d4064

Seems to be abandoned since 2018. The original repository does not even exist.

Rust

• Seed: 0xC5A8442EB1F5D2D884C8747B881BD8B2F5FFE3267B242FE253774442D2AFE991ED6B7893EF8DEA8CB88101CDFC69E71548A298EEEB6D833A124D7B79B572AD87
• Private key: c6fd4b75573df00fd8713c5cce929ec41c57398fe9de99eece6b9807132a3b6b

Ethers.js

wallet = Wallet.fromMnemonic("return guide exotic stem lazy cancel stamp company purse useless pact affair ripple intact destroy finish kite muffin")
wallet.signingKey.keyPair.privateKey
> '0xc6fd4b75573df00fd8713c5cce929ec41c57398fe9de99eece6b9807132a3b6b'

Web

https://iancoleman.io/bip39/

• Private key: 0xc6fd4b75573df00fd8713c5cce929ec41c57398fe9de99eece6b9807132a3b6b