Extend hkdf_extract to handle the case where salt is not provided

openwsn-berkeley / lakers

EDHOC implemented in Rust, optimized for microcontrollers, with bindings for C and Python.

https://crates.io/crates/lakers

BSD 3-Clause "New" or "Revised" License

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Extend hkdf_extract to handle the case where salt is not provided #116

Open geonnave opened 9 months ago

geonnave commented 9 months ago

Currently hkdf_extract always requires salt, but in some cases (such as the lake-authz draft) the salt is empty. This issue aims at modifying hkdf_extract to work with or without a salt.