Introduce ReceiveAuthKey#3917

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shaavan wants to merge 8 commits intolightningdevkit:mainfrom

shaavan:3845-mac

Commits on Jul 10, 2025

Make `Poly1305::result` return, rather than copy to a slice

TheBlueMatt
authored and
shaavan
committed
Move `Poly1305` fuzzing logic from `chacha20poly1305rfc.rs`

TheBlueMatt
authored and
shaavan
committed
Add a `ChaChaDualPolyReadAdapter` that allows an optional AAD

TheBlueMatt
authored and
shaavan
committed
Remove unused callback arg from `construct_keys_for_onion_message`

TheBlueMatt
authored and
shaavan
committed
Refactor: Introduce ReceiveAuthKey
shaavan
committed
Prepare to auth blinded path contexts with a secret AAD in the MAC

TheBlueMatt
authored and
shaavan
committed
Replace constant key with `ReceiveAuthKey`
shaavan
committed
Cleanup: Remove redundant (hmac, nonce) from codebase
shaavan
committed