RustCrypto/utils

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Utility crates used in RustCrypto

Stars: 674
Forks: 170
Open beginner issues: 1
Indexed issues: 25
Avg merge: 1d 12h
Merged PRs (30d): 10

Dominant language: Rust
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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GHSA-3rjw-m598-pq24 missing from the Rustsec Advisory DB Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

RustCrypto/utils#1546 · 1 comment · Opened Sep 22, 2026
cpufeatures: add support for s390x Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

RustCrypto/utils#1537 · 7 comments · Opened Sep 13, 2026
cpufeatures: use `is_*_feature_detected!` on targets with `std`? Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

RustCrypto/utils#1534 · 2 comments · Opened Sep 9, 2026
cpufeatures: `cfg_select!`-like macro Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

RustCrypto/utils#1529 · 4 comments · Opened Sep 7, 2026
x86: guard CPUID leaf 7 by the maximum basic leaf; AVX detection may need XMM+YMM XCR0 state Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

RustCrypto/utils#1510 · 1 comment · Opened Jul 26, 2026
Borrowed zeroizing guard for `&mut [u8]` Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

RustCrypto/utils#1509 · Opened Jul 23, 2026
aarch64-dit crate is missing fencing (for both compiler and CPU) Open

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

RustCrypto/utils#1472 · 1 comment · Opened Apr 19, 2026
cpufeatures: requesting support for ermsb, fsrm target feature Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

RustCrypto/utils#1450 · Opened Feb 6, 2026
Add crate for weak key testing using basic statistical criteria Open

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

RustCrypto/utils#1433 · 2 comments · 1 reaction · Opened Jan 25, 2026
Deriving `zeroize::Zeroize` requires the `Zeroize` trait to already be in scope Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

RustCrypto/utils#1271 · Opened Dec 26, 2025
zeroize: do not rely on volatile operations? Open

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

RustCrypto/utils#1269 · 4 comments · Opened Dec 22, 2025
cpufeatures: aarch64 CPU feature runtime detection do exist on Windows Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

RustCrypto/utils#1124 · 2 comments · Opened Oct 6, 2024
cpufeatures: requesting support for the newly added target features Open

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

RustCrypto/utils#1112 · 3 comments · Opened Sep 14, 2024
cpufeatures: add support for risc-v Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

RustCrypto/utils#1087 · 8 comments · 3 reactions · Opened Jul 16, 2024
zeroize: potetial redesign ideas Open

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

RustCrypto/utils#1046 · 30 comments · Opened Jan 22, 2024
cmov: add correct usage examples for both `Cmov` and `CmovEq` Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

RustCrypto/utils#921 · 1 comment · 1 reaction · Opened Jun 18, 2023
zeroize_derive: attribute for obtaining a mutable slice Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

RustCrypto/utils#901 · Opened May 20, 2023
cpufeatures: additional AVX-512 features Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

RustCrypto/utils#865 · 1 comment · Opened Mar 24, 2023
is there a plan to add armv7 support to cpufeatures? Open

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

RustCrypto/utils#850 · 9 comments · Opened Mar 18, 2023
cpufeatures: Detecting support for `neon`? Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

RustCrypto/utils#846 · 3 comments · Opened Mar 12, 2023
cpufeatures: add support for FreeBSD/aarch64 Open

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

RustCrypto/utils#837 · 2 comments · Opened Feb 12, 2023
zeroize: `tests::zeroize_c_string` fails on i386 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

RustCrypto/utils#774 · 14 comments · Opened Jun 20, 2022
Zeroize performance on u8 arrays Open

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

RustCrypto/utils#743 · 23 comments · Opened Mar 1, 2022
zeroize: possible UB in `Zeroize` implementation for `Option<T>` Open

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

RustCrypto/utils#653 · 3 comments · 2 reactions · Opened Nov 5, 2021
Crate for cryptographically hashing structs Open

enhancement help wanted

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

RustCrypto/utils#2 · 6 comments · Opened Jul 13, 2017

RustCrypto/utils

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