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constantine/constantine
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Mamy Ratsimbazafy 6c48975aee
Parallel Multi-Scalar-Multiplication (#226) 
* try parallel reduction in batch add, but alas it's slower than custom chunking. Except maybe on arch with performance/efficiency cores

* initial impl of parallel MSM - scaling to debug, threads not woken fast enough

* improve comment [skip ci]

* skip top window when c divides the number of bits

* for some reason parallel-for loops scale on 5+ threads while spawn only on 2x threads. Thread wakeup issue?

* Add counters and timers to audit threadpool bottlenecks

* metrics and profiling fixes, (slower) latency hiding, activate tests

* fix thief thread trying to wake another before canceling its own sleep

* easier to sort metrics and parallel endomorphism application

* selective endomorphism acceleration

* some tuning

* spawn can handle compile-time literals, static and type parameters. Also introduce spawnAwaitable to await void procs

* improve MSM overview [skip ci]

* bench cleanup
2023-04-10 23:30:14 +02:00
..
ciphers
Add ChaCha20 stream cipher
2022-03-02 01:18:47 +01:00
hash_to_curve
Parallel for (#222)
2023-02-24 09:47:36 +01:00
hashes
pararun: Ignore error #259, sha256: add back a paper
2022-09-19 09:11:16 +02:00
kdf
Eip2333 (#202)
2022-08-16 12:07:57 +02:00
mac
style: casing of WordBitWidth/WordBitwidth
2023-01-11 19:31:23 +01:00
math
Parallel Multi-Scalar-Multiplication (#226)
2023-04-10 23:30:14 +02:00
math_gpu
[Backend] Add support for Nvidia GPUs (#210)
2023-01-12 01:01:57 +01:00
platforms
Parallel Multi-Scalar-Multiplication (#226)
2023-04-10 23:30:14 +02:00
signatures
Multi-Scalar-Multiplication / Linear combination (#220)
2023-02-16 12:45:05 +01:00
blssig_pop_on_bls12381_g2.nim
BLS Aggregate and Batch verify (#214)
2023-01-27 00:42:12 +01:00
curves_primitives.nim
BLS Aggregate and Batch verify (#214)
2023-01-27 00:42:12 +01:00
ethereum_eip2333_bls12381_key_derivation.nim
Eip2333 (#202)
2022-08-16 12:07:57 +02:00
ethereum_evm_precompiles.nim
Multi-Scalar-Multiplication / Linear combination (#220)
2023-02-16 12:45:05 +01:00
hashes.nim
BLS Aggregate and Batch verify (#214)
2023-01-27 00:42:12 +01:00
README.md
Productionize: move protocols top-level vs backend (#179)
2022-02-21 01:04:53 +01:00

README.md

Constantine-backed protocols

This folder stores protocol implemented on top of Constantine.

Ethereum Virtual Machine

Constantine implements precompiles primitives for the Ethereum virtual machine

  • ECADD on BN254_Snarks (called alt_bn128 in Ethereum), address 0x6, spec EIP-196 and pricing EIP-1108
  • ECMUL on BN254_Snarks (called alt_bn128 in Ethereum), address 0x7, spec EIP-196 and pricing EIP-1108
  • ECPAIRING on BN254_Snarks (called alt_bn128 in Ethereum), address 0x8, spec EIP-197 and pricing EIP-1108

Their main use-case is for use zero-knowledge proofs and zkRollups and be compatible with work on Zcash