Daira Hopwood
47a2c78990
Correct a bug: esk is only to be checked against ToScalar(PRF^expand_rseed([4])) when the lead byte != 0x01.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-04 03:28:36 +01:00
Daira Hopwood
5689d59d32
Specify that shielded outputs of coinbase transactions MUST use v2 note plaintexts after Canopy activation.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-04 03:28:36 +01:00
Daira Hopwood
9b55332fc2
Add Ying Tong Lai and Kris Nuttycombe as Zcash protocol designers.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-04 03:18:52 +01:00
Daira Hopwood
b915222d96
Cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-04 03:18:16 +01:00
Daira Hopwood
154da511c6
Specify \abstJ to be as implemented, and adjust the security argument for \GroupJHash.
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Also modify \exclusivefun to take an excluded set rather than a single element.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-04 03:17:49 +01:00
Daira Hopwood
a7f7befe24
Add \optsqrt macro for "arbitrary square root".
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-04 03:12:00 +01:00
Daira Hopwood
e4315ad6a7
Cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-07-01 19:22:38 +01:00
Daira Hopwood
03932d2335
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-26 21:24:41 +01:00
Daira Hopwood
a333649a4e
Cosmetic change to the 2020.1.6 history entry.
2020-06-26 20:57:39 +01:00
Daira Hopwood
3ce9bd9823
Replace the block interval 32256 with the constant ZIP212GracePeriod.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-26 20:57:39 +01:00
Daira Hopwood
66acf80d18
Other cosmetic changes to the batch validation equations.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-26 20:57:39 +01:00
Daira Hopwood
45c2b616e2
Fix sign errors in the fixed-base terms of the batch validation equations in Appendices B.1 and B.3.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-26 20:57:39 +01:00
Daira Hopwood
3e98e63a6c
For Sprout, add an explicit lead byte field to note plaintexts.
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For Sapling, define note plaintext lead bytes as just bytes (so that decoding always succeeds and error handling is more explicit).
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-26 20:47:32 +01:00
Daira Hopwood
a3e4403f50
Delete some 'new' superscripts that only added notational clutter.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-26 18:58:17 +01:00
Daira Hopwood
3567634837
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:32:25 +01:00
Daira Hopwood
af41efa40c
Protocol spec: ZIP 212 changes.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:28:27 +01:00
Daira Hopwood
eb222b4fe0
Remove some unused macros.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
8ccd4e656b
Add an appendix on Ed25519 batch validation.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
6e781c5905
Ed25519 updates. This corrects an error in the specification of valid public keys
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(they are not checked against ExcludedPointEncodings), and includes changes for Canopy.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
ec5eda1d9c
Better positive square root symbol.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
43e4e71989
Corrections to ZIP references.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
4f063850d5
Cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
1a24d6232c
Consistently use "signing key" and "validating key" for signatures.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-17 23:01:13 +01:00
Daira Hopwood
f1a4631b9f
protocol/Makefile: remove dependency on awk.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-15 14:04:24 +01:00
Daira Hopwood
564d7f630e
Protocol spec: regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-02 18:35:15 +01:00
Daira Hopwood
b9fb26f5d5
Protocol spec: fix undefined references for sprout.pdf.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-02 18:35:13 +01:00
Daira Hopwood
e61e2460a0
Protocol spec: improve index; cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-02 18:35:13 +01:00
Daira Hopwood
9bac0682c3
Protocol spec: NU4 -> Canopy; ZIPs 211 and 212 are now published.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-02 18:35:13 +01:00
Daira Hopwood
d53ab5fcbc
Protocol spec: reference ZIP 173 instead of BIP 173.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-06-02 18:35:13 +01:00
Daira Hopwood
e4d9d2cace
Regenerate PDFs. Note that nufour.pdf is now canopy.pdf.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-05-27 17:28:06 +01:00
Daira Hopwood
66ba1aad3e
Network Upgrade 4 is now called Canopy.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-05-27 17:24:29 +01:00
Daira Hopwood
092e6092ef
Remove the claim that Discrete Logarithm Independence is stronger than collision resistance of GroupHash.
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(That's not clearly true, and it's irrelevant.)
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-05-27 17:20:27 +01:00
Daira Hopwood
8d19a94716
Cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-05-27 17:18:41 +01:00
Daira Hopwood
c8e08b0e96
Improve description of key structures taking into account ZIP 32. fixes #187
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-05-27 15:53:09 +01:00
Daira Hopwood
456c899627
Protocol spec: improve LaTeX portability.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-05-12 17:58:42 +01:00
Daira Hopwood
95240be273
protocol/README.rst updates.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-04-27 15:57:30 +01:00
Daira Hopwood
f0ba5495d5
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-04-22 01:35:48 +01:00
Daira Hopwood
ca802490a5
Correct a wording error transposing transparent inputs and transparent outputs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-04-22 01:32:26 +01:00
Daira Hopwood
df126fb35b
Merge pull request #332 from daira/zip-0251
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[ZIPs 207, 214, 251] Consensus ZIPs for Zcash Development Fund
2020-04-21 23:25:23 +01:00
Daira Hopwood
604532cca1
Makefile: add dot to filename of .Makefile.uptodate
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-04-14 13:06:08 +01:00
Daira Hopwood
5fa56e83bf
Protocol spec: add references for the NU4 upgrade.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-04-02 14:49:39 +01:00
Daira Hopwood
edc43904c9
Protocol spec: clarify note about hashFinalSaplingRoot/hashLightClientRoot.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-04-02 14:49:39 +01:00
Daira Hopwood
a8adb58654
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:32:29 +00:00
Daira Hopwood
7fd9cc9f73
Protocol spec: add page break before appendices.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:28:41 +00:00
Daira Hopwood
4b08221dd2
Protocol spec: wording clarification about motivations for Equihash.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:30 +00:00
Daira Hopwood
32cb319cc7
Protocol spec: cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:30 +00:00
Daira Hopwood
a593018417
Protocol spec: fix the Ed25519 specification mess.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:30 +00:00
Daira Hopwood
161c9d05f8
Protocol spec: \hexints and \hexarray macros.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:30 +00:00
Daira Hopwood
9d7f700c35
Protocol spec: LaTeX cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:29 +00:00
Daira Hopwood
2fefae9e47
Protocol spec: RFC references to www.rfc-editor.org, not tools.ietf.org.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:29 +00:00
Daira Hopwood
32a0709ffc
Protocol spec: clarify that the transaction and header encodings should be read in the context of consensus rules in those sections.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:29 +00:00
Daira Hopwood
0dc531d04c
Protocol spec: add Heartwood consensus rules.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:10:29 +00:00
Daira Hopwood
731ddfd9f6
Protocol spec: colour-code transaction fields that were added in Sapling.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:06:52 +00:00
Daira Hopwood
892bdfde1b
Protocol spec: colour-code "pre-X" consensus rule markers according to X (since that is when the rule changed).
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:06:52 +00:00
Daira Hopwood
ef78d9d94c
Protocol spec: make Heartwood colour a darker orange.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:06:52 +00:00
Daira Hopwood
69562802cf
Protocol spec: add macro and Makefile support for NU4.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:06:52 +00:00
Daira Hopwood
70cc1347f6
protocol/Makefile: make the Heartwood spec the default.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 16:06:52 +00:00
Daira Hopwood
afae0efdb8
protocol/Makefile: silence noise about index entries.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 15:41:18 +00:00
Daira Hopwood
37277c3ef7
protocol/Makefile: remove unneeded files for `make clean` that were only generated by pvc targets.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 15:41:18 +00:00
Daira Hopwood
19bfc96a0c
protocol/Makefile: remove pvc* targets.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 15:41:18 +00:00
Daira Hopwood
e87feda358
Protocol spec: add \Makefile macro.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-20 15:11:00 +00:00
Daira Hopwood
ef987f67b2
Ensure that changing a Makefile rebuilds everything on the next run.
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Also change the default target for protocol/Makefile to not build unconditionally.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-03-10 16:43:19 +00:00
Daira Hopwood
2e5aad23a1
Regenerate PDFs for protocol spec.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-13 14:18:01 +00:00
Daira Hopwood
2e26bb072d
Resolve conflicts in the specification of memo fields by deferring to ZIP 302.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-13 14:13:10 +00:00
Daira Hopwood
7af527675b
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-07 10:56:58 +00:00
Daira Hopwood
849d9435ae
Use the term monomorphism for an injective homomorphism, in the context of a "signature scheme with key monomorphism".
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-06 23:03:58 +00:00
Daira Hopwood
0d582758dd
Specify a retrospective soft fork implemented in zcashd v2.1.1-1 that limits the nTime field
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of a block relative to its median-time-past.
Correct the definition of median-time-past for the first PoWMedianBlockSpan blocks in a chain.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-06 22:40:00 +00:00
Daira Hopwood
ed6baf0fef
Change History entry.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-06 22:38:15 +00:00
Daira Hopwood
0a3ef33991
Update incremental Merkle tree diagram.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-02 16:46:34 +00:00
Daira Hopwood
62251dc54f
Change 'Payment address' to 'Shielded payment address' in key components diagrams.
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Also remove obsolete key_components.{odg,pdf} files.
Co-Authored-By: Za Wilcox <zancas@protonmail.com>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-02 16:45:47 +00:00
Daira Hopwood
20d506168b
Add Acknowledgements to Henry de Valance, Deirdre Connolly, Chelsea Komlo, and Trail of Bits.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-02 15:10:19 +00:00
Daira Hopwood
8a6dc9c9fe
Wording tweak: replace "it" with "the note".
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I was able to read this "it" as a reference to "the transaction".
closes #174
Author: Za Wilgustus <zancas@protonmail.com>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2020-02-02 15:10:03 +00:00
Daira Hopwood
f1230509d8
Regenerate PDFs (and add heartwood.pdf).
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-12-27 11:57:21 +00:00
Daira Hopwood
b2c58d414c
Blossom clarifications.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-12-27 11:57:20 +00:00
Daira Hopwood
54624a8a6f
Specify the height at which Blossom activated.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-12-27 11:57:20 +00:00
Daira Hopwood
de0d60efff
Cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-12-27 11:57:20 +00:00
Daira Hopwood
149dfcdb53
Add Makefile changes and macros for Heartwood spec.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-12-27 11:57:20 +00:00
Daira Hopwood
624aa9eaa1
Improve formatting of appendix cross-references.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-12-27 11:57:20 +00:00
Za Wilcox
62e61fd1ac
This relabeling brings the figures into closer agreement with the surrounding text.
2019-11-01 13:47:45 -06:00
Daira Hopwood
89de83447a
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 01:34:27 +01:00
Daira Hopwood
59aabd6fb5
Fix a typo in the generator for S_1 found by magrady.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 01:32:02 +01:00
Daira Hopwood
a5eef5d9fc
Clarify the type of v^new when sending a Sapling note. fixes #262
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 01:17:48 +01:00
Daira Hopwood
746bcca4b3
Regenerate PDFs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 00:53:05 +01:00
Taylor Hornby
a4c521a96c
Explain the discrepancy in the number of constraints for BLAKE2s found by QED-it.
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Co-authored-by: Taylor Hornby <taylor@defuse.ca>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 00:50:12 +01:00
Daira Hopwood
4326655e59
Merge branch 'can' of github.com:nvesely/zips into spec-updates
2019-09-24 00:36:58 +01:00
Daira Hopwood
07417709da
Set date for change entry.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 00:31:52 +01:00
Daira Hopwood
080cfb00bf
Fix an error in the expression for Δ in Pedersen hashing, and add acknowledgement to Kobi Gurkan.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 00:30:41 +01:00
Weikeng Chen
3b111df058
fix a small typo in 4.8 Merkle path validity
...
Similarly, let MerkleCRH be MerkleCRH^{Sprout} for Sprout, or **MerkleDepth^{Sapling}** for Sapling.
becomes
Similarly, let MerkleCRH be MerkleCRH^{Sprout} for Sprout, or **MerkleCRH^{Sapling}** for Sapling.
Co-authored-by: Weikeng Chen <w.k@berkeley.edu>
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-24 00:28:12 +01:00
Daira Hopwood
d69d5e1a0c
Protocol spec Makefile: 'all' is now the default target.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-03 20:51:01 +01:00
Daira Hopwood
8c6eb6c741
Protocol spec Makefile improvements to suppress unneeded output.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-03 20:51:01 +01:00
Daira Hopwood
e0ddb5ed54
Remove ZIP 207 as a reference.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-03 20:51:01 +01:00
Daira Hopwood
9dfa6a981b
Fix a missing reference warning for the Sprout spec.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-03 20:51:01 +01:00
Daira Hopwood
81767ac18f
Update references to ZIPs and to the Electric Coin Company blog.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-09-03 20:51:01 +01:00
Daira Hopwood
485942ecdf
Regenerate PDFs. Also remove protocol.ver and adjust .gitignore .
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 20:05:43 +01:00
Daira Hopwood
b7e6c187d4
Replace dummy Blossom activation height with the testnet height, and a reference to ZIP 206.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 20:02:00 +01:00
Daira Hopwood
a7ea92955a
Regenerate PDFs, and delete blossom.pdf since Blossom is now included in protocol.pdf.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 15:29:52 +01:00
Daira Hopwood
0c060a7a4e
Add Change History date.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 15:25:48 +01:00
Daira Hopwood
6a92b3459e
Make the Blossom spec the default.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 15:25:37 +01:00
Daira Hopwood
c62ebaa504
Note that zcashd uses ZIP 32 extended spending keys instead of sk.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 15:24:57 +01:00
Daira Hopwood
ae16d11150
Cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2019-08-23 15:14:48 +01:00