MystenLabs/fastcrypto

Common cryptographic library used in software at Mysten Labs.

Stars: 311
Forks: 173
Open beginner issues: 0
Indexed issues: 42
Avg merge: 22h 47m
Merged PRs (30d): 21

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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42 open issues indexed

Optimized secp384r1 (NIST P-384) ECDSA: ~3.6x faster verify than RustCrypto p384 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

MystenLabs/fastcrypto#972 · Opened Jun 10, 2026
[rsa] upgrade current rsa lib to a rs256 compatible crate Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MystenLabs/fastcrypto#868 · Opened Sep 27, 2025
[secp256r1] Verify signature using message hash Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

MystenLabs/fastcrypto#855 · 2 comments · Opened Mar 11, 2025
Improve continuous benchmarking with Bencher Open

MystenLabs/fastcrypto#769 · 3 comments · 1 assignee · Opened Apr 20, 2024
Improve how we use Zeroize and ZeroizeOnDrop Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MystenLabs/fastcrypto#620 · 1 comment · Opened Jul 25, 2023
[performance] Ensure verification(s) is using variable (fast) time implementation Open

MystenLabs/fastcrypto#596 · 1 assignee · Opened May 24, 2023
[BLS] Expose signing and verification api that takes as input an already mapped-to-point msg Open

MystenLabs/fastcrypto#591 · 5 comments · 1 assignee · Opened May 12, 2023
Design EC apis that can take as inputs precomputed tables of public keys Open

MystenLabs/fastcrypto#590 · 3 comments · 1 assignee · Opened May 12, 2023
Make JWT key-value pair parsing more robust to small changes (e.g., spaces) Open

MystenLabs/fastcrypto#586 · 1 assignee · Opened May 9, 2023
Integrate circomspect in fastcrypto's CI/CD Open

MystenLabs/fastcrypto#585 · 1 assignee · Opened May 8, 2023
Test blst with PGO/FDO Open

performance

Difficulty 4/5 3-5 days Newbie friendliness 20/100

MystenLabs/fastcrypto#539 · Opened Apr 3, 2023
Add support for ECIES / ECDH decryption on chain Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

MystenLabs/fastcrypto#533 · Opened Apr 1, 2023
Add support for AES decryption on chain Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

MystenLabs/fastcrypto#532 · Opened Apr 1, 2023
Add JWT validation Open

MystenLabs/fastcrypto#525 · 1 assignee · Opened Mar 26, 2023
Groth16 + circom, add a few failing tests as well Open

MystenLabs/fastcrypto#515 · 1 reaction · 1 assignee · Opened Mar 17, 2023
[ed25519] Run against SIMD/AVX2 backend Open

performance

MystenLabs/fastcrypto#511 · 1 assignee · Opened Mar 15, 2023
[blake2b] Test and switch to blake2_simd dependency to take advantage of AVX2 Open

performance

MystenLabs/fastcrypto#509 · 1 assignee · Opened Mar 15, 2023
[performance] Ensure SIMD/AVX2 instructions are used if available Open

performance

Difficulty 5/5 Over a week Newbie friendliness 25/100

MystenLabs/fastcrypto#508 · Opened Mar 15, 2023
Improve the fallback of BLS batch_verify Open

performance

MystenLabs/fastcrypto#503 · 1 assignee · Opened Mar 15, 2023
Enable parallelization flag for BLS batch verifier (on different messages) Open

performance

MystenLabs/fastcrypto#491 · 1 assignee · Opened Mar 10, 2023
Test for Groth16 verifier with no public inputs Open

MystenLabs/fastcrypto#474 · 2 assignees · Opened Mar 4, 2023
Deprecate the implicit use of once_cell in internal objects Open

MystenLabs/fastcrypto#403 · 1 assignee · Opened Feb 7, 2023
copy_key should be strictly accessible from tests only Open

fixit_02_2023

MystenLabs/fastcrypto#402 · 1 assignee · Opened Feb 7, 2023
Implement efficient regular Merkle Tree with inclusion proof support Open

MystenLabs/fastcrypto#342 · 1 assignee · Opened Jan 7, 2023
[encoding] Add a trait for constant-time encoding/decoding to every encoder (or at least base64) Open

MystenLabs/fastcrypto#294 · 2 assignees · Opened Dec 12, 2022
[base64] Use the new 0.20 version of Rust's base64 crate, which is now non-malleable Open

MystenLabs/fastcrypto#293 · 1 assignee · Opened Dec 12, 2022
Use the same method that we generate private keys in BLS Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

MystenLabs/fastcrypto#239 · 1 comment · 1 reaction · Opened Nov 20, 2022
[subcrates] Split fastcrypto to logical subcrates Open

MystenLabs/fastcrypto#237 · 2 assignees · Opened Nov 17, 2022
Avoid RNG-based randomized algorithms in batch sig verifiers Open

crypto enhancement

MystenLabs/fastcrypto#222 · 2 assignees · Opened Nov 8, 2022
[Benchmark] base58check Open

MystenLabs/fastcrypto#171 · 1 assignee · Opened Oct 26, 2022
[Benchmark] bech32 Open

MystenLabs/fastcrypto#170 · 1 assignee · Opened Oct 26, 2022
[parallelism] async traits for offloading crypto? Open

MystenLabs/fastcrypto#139 · 1 assignee · Opened Oct 20, 2022
[ed25519] Optimize ed25519-concensus batch verification for known pub keys. Open

MystenLabs/fastcrypto#118 · 2 comments · 1 assignee · Opened Oct 15, 2022
[ed25519] Optimize batch verification of ed25519-consensus by omitting the z_0 scalar Open

MystenLabs/fastcrypto#117 · 1 comment · 1 assignee · Opened Oct 15, 2022
[EdDSA] Faster subgroup checks for Twisted Edwards curves Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

MystenLabs/fastcrypto#113 · 2 reactions · Opened Oct 12, 2022
[BLS experiments] PubKey addition optimization on aggregated sigs Open

enhancement

MystenLabs/fastcrypto#89 · 1 assignee · Opened Oct 3, 2022
Add feature for `deterministic` Open

rust

MystenLabs/fastcrypto#62 · 2 assignees · Opened Sep 21, 2022
MoveVM supports schnorr aggregate signatures for Secp256K1. Open

MystenLabs/fastcrypto#51 · 2 assignees · Opened Sep 17, 2022
[crypto] Follow-ups to aggregate signature correctness in #750 Open

crypto

MystenLabs/fastcrypto#12 · 2 comments · 1 assignee · Opened Aug 12, 2022
[crypto] Add a few test vectors for our BLS12-381 aggregation Open

crypto fixit_02_2023 task

MystenLabs/fastcrypto#13 · 1 assignee · Opened Aug 11, 2022
Follow-ups of #562 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

MystenLabs/fastcrypto#34 · 2 comments · Opened Jul 25, 2022
[crypto] Fast & Loose Key validation in FastNFT Open

crypto sui-node

MystenLabs/fastcrypto#21 · 4 comments · 1 reaction · 1 assignee · Opened Dec 29, 2021

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