RustCrypto/RSA

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RSA implementation in pure Rust

Stars: 673
Forks: 190
Open beginner issues: 0
Indexed issues: 32

Dominant language: Rust
License: Apache-2.0
Last GitHub push: May 15, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

32 open issues indexed

Bump MSRV to 1.89 Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

RustCrypto/RSA#707 · 2 comments · 1 reaction · Opened Aug 29, 2026
Silent salt_len truncation in signature_algorithm_identifier() causes signature verification failures Open

Difficulty 3/5 Half a day Newbie friendliness 74/100

RustCrypto/RSA#703 · Opened Jun 16, 2026
numtraits libm feature and num-bigint-dig directly depends on C library libm Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

RustCrypto/RSA#686 · 4 comments · Opened Apr 24, 2026
`rsa` v0.10 release tracking Open

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

RustCrypto/RSA#647 · 9 comments · 1 reaction · Opened Jan 26, 2026
broken rust docs Open

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

RustCrypto/RSA#641 · 3 reactions · Opened Jan 23, 2026
`trait ValidatedRsaPrivateComponents` over `struct RsaPrivateKey` Open

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

RustCrypto/RSA#640 · Opened Jan 22, 2026
no-alloc: What to include Open

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

RustCrypto/RSA#639 · Opened Jan 22, 2026
Padding implementation is not constant-time Open

security

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

RustCrypto/RSA#626 · 11 comments · 3 reactions · Opened Jan 7, 2026
Support for TryCryptoRng Open

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

RustCrypto/RSA#614 · 3 comments · Opened Dec 23, 2025
Explicit documentation for deprecated PKCS#1v15 Encryption Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

RustCrypto/RSA#612 · 2 comments · Opened Dec 4, 2025
docs: References should be intra-doc links Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

RustCrypto/RSA#566 · Opened Aug 22, 2025
`decrypt_session_key` does not exist but is referred Open

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

RustCrypto/RSA#565 · Opened Aug 22, 2025
ci: Typos check does not understand `concat!("hex-string")` Open

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

RustCrypto/RSA#563 · 1 comment · Opened Aug 22, 2025
`RSAPrivateKey::from_components` builder state pattern over Vararg Open

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

RustCrypto/RSA#560 · 1 comment · Opened Aug 21, 2025
`RsaPrivateKey::validate()` does not ensure `precompute()` won't fail Open

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

RustCrypto/RSA#509 · 1 comment · Opened Apr 27, 2025
Restore RNS functionality for keys with >2 primes Open

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

RustCrypto/RSA#508 · 1 comment · Opened Apr 27, 2025
Bring back zeroization Open

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

RustCrypto/RSA#507 · Opened Apr 27, 2025
Parsing `rsa::pkcs1v15::Signature` from DER bit string Open

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

RustCrypto/RSA#449 · 3 comments · Opened Sep 30, 2024
Minimum modulus size Open

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

RustCrypto/RSA#445 · 15 comments · 1 reaction · Opened Aug 9, 2024
Give more descriptive error messages to encrypt() and decrypt() Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

RustCrypto/RSA#423 · 2 comments · Opened Mar 26, 2024
Generic digest for rsa::pkcs1v15::Signature? Open

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

RustCrypto/RSA#364 · 3 comments · Opened Sep 7, 2023
Adding rsa dependency introduces non-additive lazy_static feature that breaks other code Open

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

RustCrypto/RSA#358 · 2 comments · 1 reaction · Opened Aug 18, 2023
Maximum modulus size Open

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

RustCrypto/RSA#350 · 2 comments · Opened Jul 13, 2023
https://docs.rs/rsa/latest/rsa/struct.RsaPrivateKey.html#method.precompute is public Open

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

RustCrypto/RSA#338 · 4 comments · Opened Jun 15, 2023
RSA-KEM support Open

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

RustCrypto/RSA#323 · 3 reactions · Opened May 3, 2023
"Signcryption" support (e.g. PSS-R) Open

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

RustCrypto/RSA#231 · 25 comments · 4 reactions · Opened Nov 23, 2022
Add support for parsing RSA keys out of pkcs8 files with RSA-PSS key Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

RustCrypto/RSA#177 · 3 reactions · Opened Aug 19, 2022
Rabin-Williams signatures Open

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

RustCrypto/RSA#118 · 13 comments · Opened Nov 17, 2021
no-`alloc` core-only "heapless" support Open

enhancement

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

RustCrypto/RSA#51 · 15 comments · 8 reactions · Opened Jun 11, 2020
Implement SIMD where applicable Open

enhancement

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

RustCrypto/RSA#49 · 4 comments · 3 reactions · Opened May 22, 2020
Hook up code-coverage Open

ci help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

RustCrypto/RSA#16 · 2 comments · Opened Mar 22, 2019
Add fuzz tests Open

enhancement

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

RustCrypto/RSA#3 · Opened Dec 3, 2018

RustCrypto/RSA

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