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constantine
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7 Commits

Author SHA1 Message Date
Mamy André-Ratsimbazafy 5710a961a1
Rename ECP_ShortW_Proj -> ECP_ShortW_Prj 2021-02-06 16:29:53 +01:00
Mamy Ratsimbazafy 638cb71e16
Fr: Finite Field parametrized by the curve order (#115) 
* Introduce Fr type: finite field over curve order. Need workaround for https://github.com/nim-lang/Nim/issues/16774

* Split curve properties into core and derived

* Attach field properties to an instantiated field instead of the curve enum

* Workaround https://github.com/nim-lang/Nim/issues/14021, yet another "working with types in macros" is difficult https://github.com/nim-lang/RFCs/issues/44

* Implement finite field over prime order of a curve subgroup

* skip OpenSSL tests on windows
 2021-01-22 00:09:52 +01:00
Mamy Ratsimbazafy a2f46f77b7
Sage constants & tests codegen (#101) 
* Implement a Sage codegenerator for frobenius constants

* Sage codegen for pairings

* Autogen of endomorphism acceleration constants

* The autogen fixed a copy-paste bug in lattice decomposition. We can use conditional negation now and save an add+dbl in scalar mul

* small fixes

* sage code for square root bls12-377 is not old

* readme updates

* Provide test suggestions for derive_frobenius

* indentation + add equation form to sage

* Sage test vector generator

* Use the json vectors
- includes type system workaround: generic sandwich https://github.com/nim-lang/Nim/issues/11225
- converting NimNode to typedesc: https://github.com/nim-lang/Nim/issues/6785

* Delete old sage code

* Install nim-serialization and nim-json-serialization in CI

* CI nimble install force yes
 2020-10-10 16:19:23 +02:00
Mamy Ratsimbazafy 71bb4c799a
BW6-761 part 1 (#100) 
* Add Fp, Fp2, Fp6 support for BW6-761

* Add G1 for BW6-761

* Prepare to support G2 twists on the same field as G1

* Remove a useless dependent type for lines

* Implement G2 for BW6-761

* Fix Line leftover
 2020-10-09 07:51:47 +02:00
Mamy Ratsimbazafy 986245b5c1
Jacobian coordinates (#95) 
* Add projective-> affine bench

* Add conditional copy and div2 benches

* Fp4 benchmarks

* Constant-time Jacobian addition

* Jacobian doubling

* Use a simpler Add+Dbl complete formula

* Update tests

* Fix conditional negate

* Rollaback complete addition, we were only handling curve coef a == 0
 2020-10-02 00:01:09 +02:00
Mamy André-Ratsimbazafy 0effd66dbd
SWei -> SHortW, weierstrass -> shortweierstrass 2020-09-27 23:02:48 +02:00
Mamy Ratsimbazafy 0e4dbfe400
BLS12-377 (#91) 
* add Sage for constant time tonelli shanks

* Fused sqrt and invsqrt via Tonelli Shanks

* isolate sqrt in their own folder

* Implement constant-time Tonelli Shanks for any prime

* Implement Fp2 sqrt for any non-residue

* Add tests for BLS12_377

* Lattice decomposition script for BLS12_377 G1

* BLS12-377 G1 GLV ok, G2 GLV issue

* Proper endomorphism acceleration support for BLS12-377

* Add naive pairing support for BLS12-377

* Activate more bench for BLS12-377

* Fix MSB computation

* Optimize final exponentiation + add benches
 2020-09-27 09:15:14 +02:00