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str4d
e33fe2cb36
Merge pull request #213 from zcash/remove-ecc-gadget 
Remove ECC gadgets and instructions
 2021-02-26 07:30:19 +13:00
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
str4d
ecfd1dea91
Merge pull request #208 from zcash/selector-type 
Add a Selector type
 2021-02-26 05:01:32 +13:00
Jack Grigg
ed26c8924c Use Selector in simple-example 2021-02-25 15:40:49 +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
str4d
87362e22d4
Merge pull request #199 from zcash/upstream-perm-struct 
Upstream Permutation struct into plonk::circuit
 2021-02-26 04:24:00 +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
ebfull
84c63e5e84
Merge pull request #205 from daira/document-msrv 
Add documentation of Minimum Supported Rust Version.
 2021-02-23 11:58:03 -07:00
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
ebfull
20e336390e
Merge pull request #206 from zcash/book-sarkar 
book: Move Sarkar explanation to implementation section
 2021-02-23 08:19:18 -07:00
Jack Grigg
668bd8e89a book: Tidy up Sarkar explanation and make adjustments for clarity 2021-02-23 14:01:47 +00:00
Jack Grigg
b2d91140e7 book: Move Sarkar explanation into implementation section 2021-02-23 14:01:47 +00:00
Daira Hopwood
6f4c2dc0d7 Add documentation of Minimum Supported Rust Version. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-23 13:29:07 +00:00
ebfull
c5c0dbe190
Merge pull request #204 from zcash/parameter-gen 
Generate parameters using hash to curve
 2021-02-22 16:40:02 -07:00
ebfull
2e8af8f0ca
Merge pull request #198 from zcash/book-sarkar 
[book] Add Sarkar sqrt explanation to Fields section
 2021-02-22 16:39:23 -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
ebfull
a7b9ca44f8
Merge pull request #202 from zcash/group-traits 
Migrate to group traits
 2021-02-22 13:37:02 -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
ebfull
627d729836
Merge pull request #136 from daira/hash-to-curve 
Hash to curve
 2021-02-22 10:24:36 -07:00
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
704a6c3637 Remove unneeded sha3 dependency. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2021-02-21 00:45:33 +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
a757bc4e43 Update hashtocurve benchmark 2021-02-19 15:52:11 +00:00