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2342 Commits

Author SHA1 Message Date
Daira Hopwood 37479f7a11 ZIP 221: NU5 updates. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-29 23:19:13 +01:00
Daira Hopwood b16cf169e4 ZIP 221: renamed fields. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-29 23:18:45 +01:00
Daira Hopwood 306c575b87 ZIP 244: regenerate HTML. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-29 16:52:29 +01:00
Daira Hopwood 17818f0b32
Merge pull request #474 from teor2345/patch-8 
[ZIP 244]: Be explicit about immediate hashBlockCommitments activation
 2021-03-29 16:51:55 +01:00
teor 96efd54702
Be explicit about hashBlockCommitments activation 2021-03-29 14:14:12 +10:00
Daira Hopwood b0180c76f8 ZIP 216: fix section numbers. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 20:03:19 +00:00
Daira Hopwood d713d35f54 ZIP 216: fix references to the NU5 protocol spec. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 20:00:44 +00:00
Daira Hopwood 0f427feb5b Regenerate PDFs. 2021-03-26 19:45:47 +00:00
Daira Hopwood f66887cdee Fix an off-by-one error. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 19:40:57 +00:00
Daira Hopwood 3898e2f571 Regenerate PDFs. 2021-03-26 19:38:49 +00:00
Daira Hopwood b4aac633f4 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 19:31:45 +00:00
Daira Hopwood 17a6a72974 Merge branch 'orchard-wip' 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 19:27:21 +00:00
Daira Hopwood 2f246ce24d Other fixes to the Orchard specification, including generation of dummy notes and output notes. 
fixes #465

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 19:17:33 +00:00
Daira Hopwood aa86282e16 Change the specifications of note decryption to return the note and memo, rather than a note plaintext. 
Generalize the specification of block chain scanning to support Orchard.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood c50bdbd9ce Delete a confusing part of the definition of concatbits that we don't rely on. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood b27213dfd3 Move the definition of ⊥ to before its first use. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood cd1b4de8f9 Update the hashFinalSaplingRoot/hashLightClientRoot/hashBlockCommitments field for NU5. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood 74dfa80194 Fix errors in Orchard due to cut-and-paste from Sapling. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood 4d3204b8e1 Describe the recommended way to encode a Sapling or unified payment address as a QR code. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood bbc6131f29 Update specification of Poseidon. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:58 +00:00
Daira Hopwood 212fdc8752 Add references for the halo2 book. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 5e55821889 NCC audit: Make the description of when fields are included in v5 transactions consistent 
between the protocol specification and ZIP 225. Also regenerate the HTML for ZIP 225.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 55af963e53 NCC audit: Add a definition for the section symbol in \crossref{introduction}, before its first use. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood eff39611f8 ZIP 225: Correct the size of the outCiphertext field in a Sapling Output description. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 3d386eeec0 ZIP 225: Update references. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 5fef9270e2 NCC audit: Correct the sizes of SpendDescriptionV5 and OutputDescriptionV5 in the version transaction format. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood bfc6a8e33c NCC audit: Document the limitation on the domain separation string for the group hash into Pallas/Vesta. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood a68c7d24d0 NCC audit: Document that the choice of nonsquare for λ_G in \crossref{concretegrouphashpallasandvesta} makes no difference 
to the output of map_to_curve_simple_swu.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood fa2b1c6ce9 Correct the output type of sqrt_ratio. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood ab0e248036 NCC audit: Document that the use of k = 256 in hash_to_field is intentional, 
despite the Pallas curve only having 126-bit conjectured security against generic attacks.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 9d62142142 NCC audit: Fix a discrepancy between \crossref{concretegrouphashpallasandvesta} and \cite{ID-hashtocurve}. 
The zero padding in expand_message_xmd should be 128 bytes (matching the input block size of
BLAKE2b), rather than 64 bytes.

See also https://github.com/zcash/pasta/pull/2 and https://github.com/zcash/pasta_curves/issues/7

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 5d15a3d91e NCC audit: Fix type confusion between integers and field elements (including additional cases 
not found in the audit, involving nullifiers and cm_x).

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 7ccbf44c30 NCC audit: Define \mathbb{G} in \crossref{concretegrouphashpallasandvesta}. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 4d983aa855 NCC audit: Make the naming of enableSpends and enableOutputs consistent. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood e5336bb536 Various rationale updates for NU5. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 8f1ff76417 Add proof of collision resistance for Sinsemilla. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 591c7e45cc NCC audit: Restrict the definition of a short Weierstrass elliptic curve 
to base fields of characteristic greater than 3.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 2e50a09e97 NCC audit: Correct the definition of PRFnf^Orchard by changing Poseidon to PoseidonHash. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood b7d61884e1 NCC audit: Propagate \bot from the inputs of MerkleCRH^Orchard to its output, and add an explicit 
consensus rule that rt^Orchard computed from appending a note commitment is not \bot.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood c11c329beb NCC audit: Propagate \bot intermediate results to the output of Sinsemilla primitives. 
Change the output types of NoteCommitAlg^Orchard and CommitIvkAlg to reflect that these can
return \bot, and change the action statement to be satisfied if they do.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood 20478ae40d Credit Eirik Ogilvie-Wigley as a designer of the Zcash protocol. Add Andre Serrano, Brad Miller, 
Charlie O'Keefe, David Campbell, Elena Giralt, Francisco Gindre, Joseph Van~Geffen, Josh Swihart,
Kevin Gorham, Larry Ruane, Marshall Gaucher, and Ryan Taylor to the acknowledgements.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:57 +00:00
Daira Hopwood b14c332910 NCC audit: Correct the definition of c in \crossref{concretesinsemillahash}. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:23:51 +00:00
Daira Hopwood 54a0894acf NCC audit: fix 'reasonable' typo. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:22:50 +00:00
Daira Hopwood 02db965036 Cosmetics and trivial changes. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-26 18:22:50 +00:00
str4d 41afbd3c66
Merge pull request #105 from zcash/memo-field-specification 
[ZIP 302] Standardized Memo Field Format
 2021-03-25 10:22:03 +13:00
Kris Nuttycombe 7752911cb6 Generate ZIP 302 HTML 2021-03-24 15:16:26 -06:00
Kris Nuttycombe 14b975622b Merge remote-tracking branch 'upstream/master' into memo-field-specification 2021-03-24 15:13:16 -06:00
Deirdre Connolly 2ec19b5fcc
Merge pull request #463 from zcash/dconnolly-patch-1 
s/enableSpendsOrchard/enableOutputsOrchard/ re: no new notes
 2021-03-23 17:25:25 -04:00
Daira Hopwood 44c45004df Cosmetics and trivial changes. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-23 20:01:13 +00:00
Daira Hopwood 218196f8dd Output ciphertext -> outgoing ciphertext. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-03-23 19:27:47 +00:00