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constantine/sage
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Mamy Ratsimbazafy 53c4db7ead
Fast modular inversion (#172) 
* split modular inversion in its own file

* Stash fast GCD inversion https://eprint.iacr.org/2020/972.pdf

* Stash Pornin's bingcd -> issue with inner modular reduction

* Implement Bernstein-Yang inversion

* Avoid Nim checks on signed integers (32-bit runtime issue)

* cleanup: remove old inversion impls

* cleanup: static moduli, move div2

* small comments (skip ci)

* comment cleanup (skip ci)

* fix total iterations on 32-bit

* Add batch conversion to affine coordinates using simultaneous inversion trick

* fix conditional setZero and batchAffine conversion

* cleanup unneeded branches following affine conversion unification

* Fix batchAffine with zero inputs and add fuzz failure to test suite
2022-02-10 14:05:07 +01:00
..
curves.sage
Implement BW6-761 Endomorphism acceleration (#104)
2020-10-13 23:58:35 +02:00
derive_endomorphisms.sage
glv filename -> endomorphisms
2022-01-01 17:49:26 +01:00
derive_frobenius.sage
Fr: Finite Field parametrized by the curve order (#115)
2021-01-22 00:09:52 +01:00
derive_hash_to_curve.sage
hash-to-curve BLS12-381 perf (#163)
2021-08-14 21:01:50 +02:00
derive_pairing.sage
^k to ᵏ (skip ci)
2022-02-06 15:38:26 +01:00
derive_square_root.sage
Hash to curve - BLS12-381 (#110)
2021-08-13 22:07:26 +02:00
g2_params.sage
Fast modular inversion (#172)
2022-02-10 14:05:07 +01:00
README.md
Sage constants & tests codegen (#101)
2020-10-10 16:19:23 +02:00
square_root_bls12_377.sage
BLS12-377 (#91)
2020-09-27 09:15:14 +02:00
testgen_scalar_mul.sage
Implement BW6-761 Endomorphism acceleration (#104)
2020-10-13 23:58:35 +02:00

README.md

Sage scripts

This folder holds sage scripts:

  • for automating curve configuration
    • Cofactor determination
    • Frobenius precomputations
    • Scalar docomposition for endomorphism acceleration
    • Pairing parameters for naive implementation (ate and final exponent)
    • Square-root parameters for naive implementation.
  • for test vectors against a reference implementation.