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tweak_hash

binius_circuits::hash_based_sig::hashing

Function tweak_hash 

Source 
pub fn tweak_hash(
    public_param: &PublicParam,
    tweak_type: u8,
    sub_position: u32,
    index: u32,
    payload: &[u8],
) -> Digest
Expand description

The BLAKE3 keyed hash of payload under pp | tweak, truncated to DIGEST_LEN.

One compression for chain steps (16 bytes of payload), Merkle nodes (32) and the message encoding (56); eleven for the WOTS public key’s 672.