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Author SHA1 Message Date
Weikeng Chen
47ddbaa411 Enforce mul_by_inverse (#70) 
* proposal to fix mul_by_inverse

* update CHANGELOG

* rollback to a secure impl

* update changelog
 2021-07-06 02:39:48 -07:00
Weikeng Chen
1ad210462c Implement the Sum trait for FpVar (#71) 
* impl sum for fpvar

* fmt

* grammar

* update the CHANGELOG
 2021-07-04 12:38:05 -07:00
Weikeng Chen
3871781225 For reference, add a test for non-zero-affine (#69) 
* add a test for non-zero-affine for reference

* add some doc
 2021-07-02 16:52:06 -07:00
Weikeng Chen
2b8e020aad Release v0.3.0 (#66) 
* Release v0.3.0

* fix the pr template
 2021-06-06 13:21:37 -07:00
Tom Shen
c3a99ac3f6 Let Radix2Domain::offset to be FpVar instead of F (#65) 
* restructure code

* done

* add changelog

* add the changelog to mark this as a breaking change

* add the CHANGELOG

* tweak

* add `EqGadget`

* rename generate_interpolate_cache to generate_interpolation_cache

* address the comment

Co-authored-by: weikeng <w.k@berkeley.edu>
 2021-06-06 12:56:30 -07:00
Dev Ojha
02ee91d61b Use batch_inversion_and_mul within native lagrange interpolation (#63) 2021-05-10 15:11:09 -07:00
Tom Shen
989f579ca8 Add Univariate Domain, Vanishing Polynomial, Lagrange Interpolation (#53) 
* add domain and vp

* add lagrange interpolator

* add query position to coset

* nostd

* add test assertion

* fmt

* fix test

* add Add and Sub arithmetic

* add Add and Sub arithmetic

* add unit test for mul/div arithmetic

* add more doc for clarification

* add test for native interpolate

* add test for vp constraints

* fix lagrange interpolate bug

* comment cleanup + fmt

* add CHANGELOG

* fix a compile error

* Update CHANGELOG.md

* Update CHANGELOG.md

* fix comment

* doc fix

* doc update 2

* doc update 3

* pub lagrange_interpolator

* doc fix

* rename `EvaluationDomain` to `Radix2Domain`

* tweak

* tweak

Co-authored-by: weikeng <w.k@berkeley.edu>
 2021-05-10 14:12:28 -05:00
dependabot-preview[bot]
d1be6d1d76 Upgrade to GitHub-native Dependabot (#61) 
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
 2021-04-29 09:07:46 -07:00
Dev Ojha
5debc6f8f1 Rename AllocatedBit to AllocatedBool (#60) 
* Rename AllocatedBit to AllocatedBool

* Update Changelog

* Fix independent fmt issues
 2021-04-09 18:09:18 -05:00
Dev Ojha
47f296ae67 Release v0.2.0 PR (#59) 2021-03-24 19:39:42 -05:00
ValarDragon
2348acf3a1 Update changelog for release 2021-03-24 19:34:25 +03:00
Pratyush Mishra
b8a268d550 Check docs in CI 2021-03-24 14:00:57 +03:00
Pratyush Mishra
736b552720 Fix 2021-03-24 14:00:57 +03:00
Pratyush Mishra
73ac661ddf Update CHANGELOG 2021-03-24 14:00:57 +03:00
Pratyush Mishra
53b2ac48fa Fix UInt docs 2021-03-24 14:00:57 +03:00
dependabot-preview[bot]
fc44ff2de7 Update num-bigint requirement from 0.3 to 0.4 
Updates the requirements on [num-bigint](https://github.com/rust-num/num-bigint) to permit the latest version.
- [Release notes](https://github.com/rust-num/num-bigint/releases)
- [Changelog](https://github.com/rust-num/num-bigint/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-num/num-bigint/compare/num-bigint-0.3.0...num-bigint-0.4.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-03-24 11:03:45 +03:00
Elder Ryan
a1e72154bf fixed link format (#54) 2021-02-21 08:58:59 -08:00
Tom Shen
09f3613aac Add DensePolynomialVar (#50) 
* add folder structures similar to `ark-poly`

* add evaluate impl for DensePolynomialVar

* add tests

* fix no-std

* use ark_std::rand instead of SeedableRng

* add changelog

Co-authored-by: Weikeng Chen <w.k@berkeley.edu>
 2021-02-04 17:12:23 -08:00
Weikeng Chen
b741ffc33d replace rand with ark_std::rand and drop rand_xorshift (#51) 2021-02-04 14:24:29 -08:00
Dev Ojha
1f83ffdff4 Switch to panic='abort' for safety across FFI boundaries (#47) 
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>
 2021-02-04 14:04:55 -08:00
Tom Shen
05fee34686 Add Mux gadget (#48) 2021-02-04 13:52:29 -08:00
Kobi Gurkan
a8f737bf26 Fix boolean or comment (#44) 2021-01-27 00:46:13 -08:00
Pratyush Mishra
d9e0200433 Improve handling of constant bits in scalar mul for SW curves (#43) 
* We add a double_and_add method that computes 2 * self + other more
  efficiently than just doubling + addition; this is not used anywhere 
  yet, but I am planning on fiddling with it to see if we can leverage
  it somehow. (See zcash/zcash#3924 for details)

* We handle constant scalars better:
  * We skip the most-significant constant zeroes to avoid unnecessary
    doubling
  * When intermediate bits of the scalar are constants, instead of
    conditionally adding, we directly use the value of the bit to
    decide whether to add or not.


Co-authored-by: Dev Ojha <ValarDragon@users.noreply.github.com>
Co-authored-by: weikeng <w.k@berkeley.edu>
 2021-01-22 14:55:55 -08:00
Pratyush Mishra
5e4114b19c Better scalar multiplication for Short Weierstrass curves (#40) 
Co-authored-by: Dev Ojha <ValarDragon@users.noreply.github.com>
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>
 2021-01-15 13:18:26 -08:00
Dev Ojha
f88d7c6ea3 Make mul_by_inverse use one constraint (#42) 
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>
 2021-01-15 10:55:26 -08:00
Dev Ojha
bdc9fbbf30 Add changelog and .github issue templates (#39) 
* Add changelog and .github issue templates
 2021-01-14 12:01:40 -06:00
William Lin
2432ff4f88 Implement ToConstraintFieldGadget for Vec<UInt8> (#36) 
* Implement ToConstraintFieldGadget for Vec<UInt8>

* Add documentation and implementation for slice

* Update documentation
 2021-01-11 23:56:40 -08:00
Pratyush Mishra
20bd452cd9 Construct FpVar from bits (#35) 2021-01-11 16:24:39 -08:00
Pratyush Mishra
0162ef18bc More efficient scalar multiplication for Short Weierstrass curves (#33) 
* When a group element is a constant, precompute multiples of powers of two, and perform simple conditional additions (no doubling!).
* For short weierstrass curves, addition with a constant now uses mixed addition, which results in lower constraint weight.
* For short weierstrass curves, scalar multiplication now uses mixed addition, saving 1 constraint per bit of the scalar, along with lower constraint weight (at the cost of a small constant number of constraints to check for edge cases)
 2021-01-10 13:18:11 -08:00
Pratyush Mishra
262fac3e83 Loosen restrictions 2021-01-08 21:21:32 -08:00
Pratyush Mishra
a44643ed76 Fix mul_by_inverse for constants 2021-01-08 21:21:32 -08:00
Pratyush Mishra
f52b866e59 Fix documentation links (#28) 2020-12-23 21:46:02 -06:00
Pratyush Mishra
1e935b0b94 Fix to_non_unique_bytes for BLS12::G1Prepared 2020-12-16 10:46:02 -08:00
Pratyush Mishra
9cb17dc130 Fix links in Cargo.tomls 2020-12-15 13:10:03 -08:00
Pratyush Mishra
0fd45d3d83 Reduce allocations in UInts 2020-12-08 23:13:33 -08:00
jon-chuang
905e7284b2 Reduce density of ThreeBitCondNegLookup 2020-11-25 00:26:32 -08:00
Weikeng Chen
68f08b94d2 Add UInt128 for u128 (#21) 2020-11-23 15:26:10 -08:00
Nirvan Tyagi
77dfd7dac6 'cargo +stable fmt' 2020-11-20 18:38:25 -08:00
Nirvan Tyagi
45a4c3b326 'cargo fmt' 2020-11-20 18:38:25 -08:00
Nirvan Tyagi
957ac48da4 Apply suggestions from code review 
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>
 2020-11-20 18:38:25 -08:00
Nirvan Tyagi
0abb3a7dfe CondSelectGadget for UInts 2020-11-20 18:38:25 -08:00
Weikeng Chen
edc9a8ce02 Allow CS being none for into_edwards (#16) 
* allow cs being none for into_edwards
 2020-11-16 01:39:07 -08:00
Weikeng Chen
18824c0c83 Allow CS being none for into_edwards (#15) 2020-11-16 00:11:35 -08:00
Weikeng Chen
f4691621ee Add ToConstraintFieldGadget for ProjectiveVar (#13) 2020-11-12 01:41:59 -08:00
Weikeng Chen
8dca325042 Make ToBitsGadget for FpVar's output constant-length (#12) 
This is related to a Zexe issue https://github.com/scipr-lab/zexe/issues/289

Basically, ToBitsGadget for FpVar may produce shorter output for a constant value, which is undesired for a few reasons.
 2020-11-12 01:18:43 -08:00
Pratyush Mishra
6077f51c97 *Actually* fix to_affine for SW points. 
The prior PR (#9) multiplied by `self.z` instead of `self.z.inverse()`.
 2020-11-11 23:14:25 -08:00
Pratyush Mishra
ceec513f62 Fix SW to_affine (#9) 
Adds constraints to check that the conversion to affine coordinates happened correctly.
 2020-11-10 10:46:44 -08:00
Kobi Gurkan
e5ec2e66d3 fix: fix wrong constant case detection in three_bit_cond_neg_lookup 2020-10-30 15:40:15 -07:00
Pratyush Mishra
e5ac1f44cb Remove rustc-version 2020-10-29 08:39:32 -07:00
yelhousni
2e2df52f79 replace frob(6) by unitary_inverse in bls12 2020-10-21 08:01:31 -07:00