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685 Commits

Author SHA1 Message Date
str4d 9c65d64012
Merge pull request #209 from str4d/zips-207-208 
Update protocol spec with ZIPs 207 and 208
 2019-03-08 17:59:17 +13:00
Daira Hopwood ce803ea0b4 Correct generators for BLS12-381. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-24 05:59:14 +00:00
Daira Hopwood 86319cfe89 Address Daira's review comments. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-24 02:06:23 +00:00
Daira Hopwood 5cf59663d9 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-24 02:05:58 +00:00
Jack Grigg d6ed011d5e
ZIP 207 changes 2019-02-23 19:21:19 +00:00
Jack Grigg 2fc1b8cc9c
ZIP 208 changes 
Includes additional changes to constants in sections 7.7 and 7.8 which
are needed to compile, and not part of ZIP 208, but will be altered by
ZIP 207.
 2019-02-23 19:21:17 +00:00
Daira Hopwood 5097fc7c4e Add macros and Makefile support for building the Blossom specification. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 13:49:08 +00:00
Daira Hopwood 7f435cd37d Fix a typo in appendix B.2 and clarify the costs of Groth16 batch verification. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 13:49:08 +00:00
Daira Hopwood f3c5ed99e2 Remove the rule that miners SHOULD NOT mine blocks that chain to other blocks with version number > 4. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 13:49:08 +00:00
Daira Hopwood 06725e94b9 Correct the rule about when a transaction is permitted to have no transparent inputs. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 13:34:25 +00:00
Daira Hopwood 95d95bc4c4 Clarify which transaction fields are added by Overwinter and Sapling. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 13:33:39 +00:00
Daira Hopwood 8e9171d512 Clarify that Equihash is based on a *variation* of the GBP, and cite [AR2017]. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 13:17:07 +00:00
Daira Hopwood c57d51d7a0 More references and corrected description of Groth16. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-22 12:49:22 +00:00
Daira Hopwood ba949107ab Correct isis agora lovecruft's name. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-10 03:20:47 +00:00
Daira Hopwood 64c268fdd7 Add Eirik Ogilvie-Wigley and Benjamin Winston to acknowledgements. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-09 01:00:03 +00:00
Daira Hopwood fb9faa3835 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-09 00:37:00 +00:00
Daira Hopwood 0988966fdc Remaining fixes and clarifications for BCTV14 vulnerability. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-09 00:37:00 +00:00
Daira Hopwood e17905a0a3 Specify the difficulty adjustment change on testnet. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-09 00:37:00 +00:00
Daira Hopwood d4a9158323 Say when Sapling activated, and reference ZIP 205. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-09 00:37:00 +00:00
Daira Hopwood d18edb4abc Rename zk-SNARK Parameters sections according to the proving system. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-08 22:59:38 +00:00
Daira Hopwood 0d8430799c Correct [SBB2019] to [SWB2019], and note that the BCTV14 vulnerability affected Soundness. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-05 19:29:31 +00:00
Daira Hopwood 9a7ebd326e Disclose BCTV14 vulnerability. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-02-05 16:45:09 +00:00
Daira Hopwood 680af418cf Fill in another constraint cost. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-14 02:02:17 +00:00
Daira Hopwood af17ba2485 Adjust the notation used for scalar multiplication in Appendix A to allow bit sequences as scalars. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-14 02:01:59 +00:00
Daira Hopwood 9aba6af281 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-14 02:01:01 +00:00
Daira Hopwood 538d1f1eb0 Add a description of the Sapling output circuit. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-14 01:05:39 +00:00
Daira Hopwood 79b3d81e42 Complete the description of the Sapling spend circuit. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-13 23:15:54 +00:00
Daira Hopwood 5531006f08 Fix or complete various calculations of constraint costs. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-13 23:11:53 +00:00
Daira Hopwood 7419c0a366 Describe 2-bit window lookup with conditional negation. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-13 23:09:34 +00:00
Daira Hopwood 39b498fed9 Remove a todo. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-13 22:07:18 +00:00
Daira Hopwood 0835c3837e Modify the description of fixed-base scalar multiplication to match sapling-crypto. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-13 22:06:36 +00:00
Daira Hopwood 2f868aca8d Add LEBStoIP. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-11-13 22:00:41 +00:00
Daira Hopwood e24f7cede5 Clarify the description of the Merkle path check in Appendix A. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-24 16:14:28 +01:00
Daira Hopwood 066d424d3a Correct the input to H⊛ used to derive the nonce r in RedDSA.Sign, from T || M to T || _vk_ || M. 
This matches the sapling-crypto implementation; the spec was unintentionally changed in 2018.0-beta-20.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-24 16:14:28 +01:00
Daira Hopwood c04c0542e8 Cosmetics (pagination in Appendix A). 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 16:44:31 +01:00
Daira Hopwood bb52ce246c Clarify notation in the proof of A.3.3. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 15:44:11 +01:00
Daira Hopwood 223b8db3a7 Minor tweak to the statement of Theorem A.3.4 to make the contradiction clearer. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 11:22:49 +01:00
Daira Hopwood da7c6fe190 Correct the statement and proof of Theorem A.3.2. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 11:21:02 +01:00
Daira Hopwood 25b64382e4 Clarify the notes concerning domain separation of prefixes for MerkleCRH^Sapling and NoteCommit^Sapling. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 11:00:45 +01:00
Daira Hopwood 2a7002a010 Add the QED-it report to the acknowledgements. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:45:19 +01:00
Daira Hopwood bc48ebe898 Improved cross-referencing in Pedersen hash section. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:43:48 +01:00
Daira Hopwood 74c39f073d Correct a use of \GroupJ that should have been \MontCurve. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:34:56 +01:00
Daira Hopwood 691922ebd1 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:27:34 +01:00
Daira Hopwood dc81e21c2b Correct uses of LEOS2IP_l in RedDSAVerify and RedDSABatchVerify to ensure l is a multiple of 8. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:27:34 +01:00
Daira Hopwood 5524822ed5 Correct some uses of r_J that should have been r_S or q. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:27:34 +01:00
Daira Hopwood dc41de37f3 Avoid clashing notation. Refer to the Montgomery form of Jubjub as \mathbb{M}. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-10-01 10:27:34 +01:00
Daira Hopwood 3ecbe6b903 The rest for beta-30 (sorry, I have a flight to catch). 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-09-02 09:06:22 +01:00
Daira Hopwood b909f2a482 Add dates to Change History. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-09-02 09:06:22 +01:00
Daira Hopwood a1f90a56cf Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-09-02 09:06:22 +01:00
Daira Hopwood bfc9ba5b21 Add security argument about DiversifyHash. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-09-02 09:06:22 +01:00