saymrwulf/pasta_curves-source
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412 commits

Author SHA1 Message Date
therealyingtong
05c6ebd42d Compression subregion_initial assignments 2021-02-25 20:01:44 +00:00
therealyingtong
4d7c717107 Add utils for Compression assignments 2021-02-25 20:01:44 +00:00
therealyingtong
3778266eeb Add Compression gates 2021-02-25 20:01:44 +00:00
therealyingtong
5951ae6516 Add Compression 2021-02-25 20:01:44 +00:00
therealyingtong
f6af03c953 Add MessageSchedule test 2021-02-25 20:01:44 +00:00
therealyingtong
6f703d5cc3 MessageSchedule subregion3 assignments 2021-02-25 20:01:44 +00:00
therealyingtong
931d55a5bb MessageSchedule subregion2 assignments 2021-02-25 20:01:44 +00:00
therealyingtong
65f7707a28 MessageSchedule subregion1 assignments 2021-02-25 20:01:44 +00:00
therealyingtong
88379fa62f Add MessageSchedule gates and assign fixed column cells 2021-02-25 20:01:44 +00:00
therealyingtong
fc4f3576a0 Add utils for common MessageSchedule assignments 2021-02-25 20:01:44 +00:00
therealyingtong
feedffa2b2 Add MessageSchedule 2021-02-25 20:01:44 +00:00
therealyingtong
570f90e4ee SHA-256 chip that uses a 2^16 lookup table 
Co-authored-by: Jack Grigg <jack@electriccoin.co>
 2021-02-25 20:01:44 +00:00
Jack Grigg
b4feff8272 Remove ECC gadgets and instructions 
Migrated to the orchard crate:
https://github.com/zcash/orchard/pull/22
 2021-02-25 18:17:50 +00:00
Jack Grigg
bd17c726ac Add a Selector type 
This currently just wraps a `Column<Fixed>`, but enables us to start
writing circuits that can later have their selector usage optimised.
 2021-02-25 15:28:29 +00:00
str4d
9467a03ae2
Merge pull request #209 from zcash/ecc-gadget-fixedpoints 
Store `Loaded` chip state in chip
 2021-02-26 04:24:28 +13:00
therealyingtong
4f17322c2d Allow Chip::load to return state that the Layouter will hold 
This enables chips that e.g. want to load multiple lookup tables into
the same columns to store state about where each table was layed out.

Co-authored-by: Jack Grigg <jack@electriccoin.co>
 2021-02-24 23:28:18 +08:00
therealyingtong
6cbf32c2cd Add FixedPoints type and trait to ECC gadget 2021-02-24 23:24:53 +08:00
therealyingtong
4ae21a905d Update tests 2021-02-24 00:21:12 +08:00
therealyingtong
5a341b0f8f Modify Assignment::copy() to take Column<Any> instead of usize 2021-02-24 00:18:22 +08:00
therealyingtong
d82a0c85b1 Modify Assignment::copy() to take Permutation instead of usize 2021-02-24 00:17:29 +08:00
therealyingtong
340fb2b6df Move Permutation struct from crate::circuit -> plonk::circuit 2021-02-24 00:17:29 +08:00
ebfull
20bd44f854
Merge pull request #191 from zcash/sha-256-gadget-namespacing 
Alter the SHA-256 gadget to require namespacing
 2021-02-23 08:49:03 -07:00
ebfull
98896560fd
Merge pull request #203 from zcash/newtype-region-idx 
Add circuit::RegionIndex and circuit::RegionStart newtypes
 2021-02-23 08:20:19 -07:00
Sean Bowe
12230a49e0
Move CURVE_ID to CurveExt. 2021-02-22 16:30:05 -07:00
Sean Bowe
75bb8121fb
Switch to domain prefix based on what is suggested in #182 by @daira. 2021-02-22 16:13:11 -07:00
Sean Bowe
1078f854e3
Remove BLAKE2B_PERSONALIZATION constant. 2021-02-22 15:53:22 -07:00
Sean Bowe
5503517ac1
Produce URS using hashtocurve logic. 2021-02-22 15:50:01 -07:00
Sean Bowe
df8dcce042
Add CurveExt and AffineExt associated types to project Group trait implementations. 
Co-authored-by: Jack Grigg <jack@electriccoin.co>
 2021-02-22 15:47:57 -07:00
Jack Grigg
b4ed5295fe Migrate to group traits 
The `Curve` trait is now `CurveExt: group::prime::PrimeCurve`, and
`CurveAffine` is now `CurveAffine: group::prime::PrimeCurveAffine`.

There is no `CurveAffine` trait in `group`, and it's a widely-used
trait in this crate, so we don't rename it to `CurveAffineExt`.
 2021-02-22 20:20:23 +00:00
Jack Grigg
55fb581f17 Define hash-to-curve over Curve, not CurveAffine 
This removes an unnecessary layer of indirection from the type system,
and ensures that these APIs depend on the halo2-specific trait with the
extensions we require.
 2021-02-22 20:12:10 +00:00
Jack Grigg
082d66d6e7 pasta: Reorganize the curve macro 
This will make the migration to group easier to review.
 2021-02-22 20:05:12 +00:00
Jack Grigg
7037d55320 Rename Curve and CurveAffine properties to match group traits 2021-02-22 20:05:08 +00:00
Jack Grigg
81a7936d99 pasta: Split halo2-specific curve-specific logic into a separate macro 2021-02-22 18:53:27 +00:00
Sean Bowe
e93de2c285
Avoid heap allocations within hash_to_curve. 2021-02-22 10:15:30 -07:00
Daira Hopwood
16e5f96f3f Fix a clippy lint. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-22 16:02:38 +00:00
Daira Hopwood
e408a351d5 Remove a redundant bool::from. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-21 21:43:11 +00:00
Daira Hopwood
7dc21f4727 Repair test vectors and add tests for map_to_curve_simple_swu. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-21 21:01:19 +00:00
Daira Hopwood
24def7ce02 Fix case where the input to map_to_curve_simple_swu is 0, and remove unneeded B_OVER_ZA constants. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-21 21:00:50 +00:00
Daira Hopwood
642aad68a3
Revert comment changes that are no longer relevant, now that we don't expose the isogenous curves in the API 2021-02-20 21:54:50 +00:00
Daira Hopwood
a14eccc13d Remove unused hash support for Pasta Fp and Fq. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-20 21:51:32 +00:00
therealyingtong
84f732acb4 Add circuit::RegionIndex and circuit::RegionStart newtypes 2021-02-20 21:26:42 +08:00
Daira Hopwood
8b8dbbe2bb Refine type of buf in hash_to_field as suggested by @ebfull. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-19 15:52:11 +00:00
Daira Hopwood
6d8c899e16 Rename map_to_curve to map_to_curve_simple_swu. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-19 15:52:11 +00:00
Daira Hopwood
785ad5375c Switch from XOF:SHAKE128 to XMD:BLAKE2b. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-19 15:52:11 +00:00
Daira Hopwood
25ea5d07f7 Fix error in doc comment. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-19 15:52:11 +00:00
Daira Hopwood
9aa3327a0a Fix clippy lints. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-19 15:52:11 +00:00
Sean Bowe
c17cd408f1 Fix point doubling on isogenous curve and add test for isogeny of identity. 2021-02-19 15:52:11 +00:00
Sean Bowe
d14d2314a1 Remove isogenous curve from public API. 2021-02-19 15:52:11 +00:00
Sean Bowe
b488355e13 Add example to hash_to_curve doc comment. 2021-02-19 15:52:11 +00:00
Sean Bowe
dc069dff31 Rename hasher to hash_to_curve. 2021-02-19 15:52:11 +00:00