Added PBKDF2 as Described in BIP39
1.03 Key Storage aspect was expanded to allow for Password-Based Key Derivation as an alternative to storing the key in an encrypted state. With Password-Based Key Derivation, the seed can be stored unencrypted as the password used to derive the key from the seed would accomplish the same as a passworded encryption layer on top of the seed.
References
Contributor(s)
- Ryan X. Charles, BitGo