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720 Commits

Author SHA1 Message Date
Daira Hopwood bfc513d913 Fix syntax of a citation in ZIP 201. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-04-21 08:24:08 +01:00
Daira Hopwood edd02a4732
Merge pull request #146 from str4d/zip-0243 
[ZIP 243] Transaction Signature Verification for Sapling
 2018-04-15 19:55:09 +01:00
Daira Hopwood 55c60f3f35 Add reference to RFC 2119 for ZIPs 143 and 243. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-04-15 12:58:09 +01:00
Daira Hopwood 611a1c474e Address my comments on ZIP 243. 
Also delete unused references to ZIP 201 and the term "Overwinter".

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-04-15 12:57:29 +01:00
str4d 301ad7cea9
ZIP 243: Transaction Signature Verification for Sapling 2018-04-11 14:36:12 -06:00
Daira Hopwood f5784f516e
Merge pull request #145 from daira/zip201-update-protocol-version 
Update Overwinter mainnet protocol version to be 170005 (see ecf544d062).
 2018-04-05 15:06:06 +01:00
Daira Hopwood 7274918e79 Update Overwinter mainnet protocol version to be 170005 
(see ecf544d062).

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-04-05 14:37:11 +01:00
Daira Hopwood 0ce9a44e66 Regenerate PDFs. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-19 00:03:39 +00:00
Daira Hopwood 40ec72bb46 Add specification of Output statement. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-19 00:01:25 +00:00
Daira Hopwood d029d67779 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 23:57:09 +00:00
Daira Hopwood fc71b29163 Minor clarifications. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 23:54:36 +00:00
Daira Hopwood bffc16b0ee Updates to transaction format and consensus rules for Overwinter and Sapling. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 22:02:42 +00:00
Daira Hopwood a6245e3f68 Clarify conversions between bit and byte sequences. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:45:27 +00:00
Daira Hopwood 9498de38f9 Updates to Sapling construction, changing how the nullifier is computed and separating it from the randomized spend verifying key (rk). 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:43:57 +00:00
Daira Hopwood 9d96abe629 Change MerkleDepth^Sapling from 29 to 32. Fixes #143 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:17 +00:00
Daira Hopwood d63c0f5f0f Clarify bit ordering of SHA-256 and SHA256Compress. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:17 +00:00
Daira Hopwood 5cac8e9b6a The first rule of Fork Club is: We don't talk about "forks". 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:17 +00:00
Daira Hopwood 108fa4daa0 Add DiversifyHash, and change the type of diversifiers to a bit sequence. 
Fix the generation of diversified addresses to repeatedly try diversifiers.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:17 +00:00
Daira Hopwood 752156da97 Minor corrections and improvements; add missing notation definitions. 
Remove things from Sprout spec that shouldn't be there.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:17 +00:00
Daira Hopwood a8052562e4 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:16 +00:00
Daira Hopwood b19733320c Replace \nstrut hack (for consistent spacing in table of contents) with a better, less intrusive hack. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:16 +00:00
Daira Hopwood 6995ada467 Makefile improvements to avoid a reload for each run of pdflatex (and occasional hangs due to a partially written PDF), in PDF readers that monitor files. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:16 +00:00
Daira Hopwood d17c800268 Add more temporary files and LaTeX/HTML output files to .gitignore. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-18 21:00:16 +00:00
Daira Hopwood 00b68453fd
Merge pull request #141 from daira/zip202-comments 
[ZIP 202] Address my post-merge comments on PR #133
 2018-03-18 11:34:14 +00:00
Daira Hopwood 58fe013949 Regenerate PDFs. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 21:46:11 +00:00
Daira Hopwood aeab72d534 Update Change History. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 21:36:55 +00:00
Daira Hopwood 2fa37c1f1f Improve security definitions for signatures. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 21:31:33 +00:00
Daira Hopwood cd930a18be Clean up diversification. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 21:31:18 +00:00
Daira Hopwood de01f6ed18 Various minor improvements and cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 21:29:49 +00:00
Daira Hopwood 877ce30283 Simplify FindGroupHash to use a single-byte index. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 21:22:53 +00:00
Daira Hopwood b44beb7141 Regenerate PDFs. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 17:44:17 +00:00
Daira Hopwood 38b460aa6f Appendix A updates: 
* categorize components into larger sections
* fill in the [de]compression and validation algorithm
* more precisely state the assumptions for inputs and outputs
* delete not-all-one component which is no longer needed
* factor out xor into its own component
* specify [un]packing more precisely; separate it from boolean constraints
* optimize checking for non-small order
* notation in variable-base multiplication algorithm.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 17:42:49 +00:00
Daira Hopwood 1b1acc05d7 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 17:27:43 +00:00
Daira Hopwood 4443e647ec fixup 2018-03-11 17:09:42 +00:00
Daira Hopwood 618e6ebf37 Change Uncommitted^Sapling to be a u-coordinate for which there is no point on the curve. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 17:09:32 +00:00
Daira Hopwood f55ad120ff Minor corrections and improvements. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 14:02:22 +00:00
Daira Hopwood 7cde004f83 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 14:00:00 +00:00
Daira Hopwood 6166a6aa33 Add use of ZIP 143 signature verification as a normative requirement. 
(Previously it was only referenced in the implementation section.)

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 13:25:19 +00:00
Daira Hopwood 2f5dc86748 Address my comments on ZIP 202. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 13:11:07 +00:00
Daira Hopwood 96cfbe9232 Cosmetics: use 'Of' macros. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 12:49:42 +00:00
Daira Hopwood 03918a759c Don't use cofactor multiplication in derivation of nf. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 12:49:42 +00:00
Daira Hopwood 757cc5b7b4 negligible -> insignificant. refs #92 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 12:49:42 +00:00
Daira Hopwood 87efd20a9c Change PRF^nr to produce computationally uniform output. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 12:49:42 +00:00
Daira Hopwood 82d794060d Change how (ask, rsk) are derived from sk. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-11 12:49:42 +00:00
Daira Hopwood 963987d5cd Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-10 21:06:47 +00:00
Daira Hopwood 678ec1043f Bitbox cosmetics (use \strut to ensure consistent vertical alignment). 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-10 21:00:27 +00:00
Daira Hopwood ebd2a5964e Macro refactoring. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-10 20:47:34 +00:00
Daira Hopwood 76f3b1d0fd Add comments at closing braces saying which construct is being closed. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-10 04:11:23 +00:00
Daira Hopwood 2924ff85e1 Add space between bibliography entries. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-10 04:03:29 +00:00
Daira Hopwood cda5cd5c7b Use less distracting colours for hyperlinks. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2018-03-10 04:03:08 +00:00