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Co-authored-by: Daira Hopwood <daira@jacaranda.org>
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Kris Nuttycombe 2021-02-09 08:06:00 -07:00 committed by GitHub
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@ -279,8 +279,8 @@ The personalization field of this hash is set to::
T.4a.ii: sapling_spends_noncompact_digest
.........................................
A BLAKE2b-256 hash of the non-nullifier information for all Sapling shielded spends
belonging to the transaction, excluding zkproof data and spend authorization
signature. For each spend, the following elements are included in the hash::
belonging to the transaction, excluding both zkproof data and spend authorization
signature(s). For each spend, the following elements are included in the hash::
T.4a.ii.1: cv (field encoding bytes)
T.4a.ii.2: anchor (field encoding bytes)
@ -547,9 +547,9 @@ A BLAKE2b-256 hash of the field encoding of the Sapling ``zkproof`` and
``spend_auth_sig`` values of each Sapling spend description belonging
to the transaction, followed by the field encoding of the
``zkproof`` field of each Sapling output belonging to the transaction,
followed by the field encoding of the binding signature ::
followed by the field encoding of the binding signature::
A.3a: spend_zkproofs_sigs (see subsection A.3a)
A.3a: spend_zkproofs_and_sigs (see subsection A.3a)
A.3b: output_zkproofs (field encoding bytes)
A.3c: binding_sig (field encoding bytes)
@ -557,12 +557,12 @@ The personalization field of this hash is set to::
"ZTxAuthSapliHash"
A.3a: spend_zkproofs_sigs
'''''''''''''''''''''''''
A.3a: spend_zkproofs_and_sigs
'''''''''''''''''''''''''''''
For each ``SpendDescription`` belonging to the transaction, the following
elements are added to the ``A.3`` hash::
A.3a.i: zkproof ([u8; 192])
A.3a.i: zkproof (field encoding bytes)
A.3a.ii: spend_auth_sig (field encoding bytes)