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rustls

14 indexed repositories · View on GitHub

rustls
A modern TLS library in Rust

Rust · 7625 stars
rcgen
Generate X.509 certificates, CSRs

Rust · 505 stars
hyper-rustls
Integration between hyper HTTP library and rustls TLS stack

Rust · 361 stars
rustls-native-certs
Integration with OS certificate stores for rustls

Rust · 241 stars
tokio-rustls
Async TLS for the Tokio runtime

Rust · 234 stars
rustls-ffi
Use Rustls from any language

Rust · 170 stars
webpki
WebPKI X.509 Certificate Validation in Rust

Rust · 160 stars
rustls-platform-verifier
A certificate verification library for rustls that uses the operating system's verifier

Rust · 158 stars
ktls
Safer wrappers over ktls-sys

Rust · 98 stars
rustls-openssl-compat
OpenSSL compatibility layers

Rust · 87 stars
upki
upki implements platform-independent browser-grade certificate infrastructure

Rust · 45 stars
pki-types

Rust · 39 stars
futures-rustls

Rust · 22 stars
rustls-bench-app

Rust · 13 stars

Beginner friendly Everything

Open All

upki-openssl should not fail if upki is not fully configured Open

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

rustls/upki#246 · 5 comments · Opened Sep 18, 2026
Dependency update request: support aws-lc-rs to 1.17 Open

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

rustls/rustls#3269 · 2 comments · Opened Sep 14, 2026
Android: Panics with unhelpful message when used in Termux Open

Difficulty 3/5 1-2 days Newbie friendliness 43/100

rustls/rustls-platform-verifier#247 · 4 comments · Opened Aug 27, 2026
Improve error message when denying subject name due to wildcard in public suffix Open

rustls/webpki#532 · 1 reaction · 1 assignee · Opened Aug 26, 2026
CertificateSigningRequestParams::from_der can parse the wrong key type Open

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

rustls/rcgen#448 · 2 comments · 1 reaction · Opened Aug 20, 2026
Zeroise on drop for types containing private key material Open

next-major-release

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

rustls/pki-types#114 · 1 comment · Opened Aug 18, 2026
OneCRL support Open

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

rustls/upki#229 · Opened Aug 17, 2026
Expose signature_algorithms_cert to ResolvesServerCert::resolve Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

rustls/rustls#3214 · 4 comments · Opened Aug 13, 2026
Consider all candidate CRLs Open

rustls/webpki#526 · 2 comments · 1 assignee · Opened Aug 12, 2026
Rework X509 extension code Open

next-major-release

rustls/rcgen#446 · 1 assignee · Opened Aug 11, 2026
Converge config_ktls_{client,server} bounds to AsRawFd + AsyncRead + Unpin Open

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

rustls/ktls#76 · 1 comment · Opened Aug 7, 2026
Discussion: Roadmap and future Open

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

rustls/upki#199 · 4 comments · 1 reaction · Opened Jul 17, 2026
Windows: revocation check blocks up to 10s with no effect on verification outcome Open

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

rustls/rustls-platform-verifier#237 · Opened Jul 7, 2026
Remove dependency on `memoffset` when MSRV is bumped to 1.77+ Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rustls/ktls#71 · 1 reaction · Opened Jul 7, 2026
Dynamically set ECH configuration Open

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

rustls/rustls#3119 · 7 comments · Opened Jul 4, 2026
Add opt-in support for ignoring URI name constraints Open

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

rustls/webpki#514 · 2 comments · 1 reaction · Opened Jul 1, 2026
Align FIPS information exposed by rustls-aws-lc-rs to actual FIPS module version Open

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

rustls/rustls#3116 · 2 comments · Opened Jul 1, 2026
Don't construct `EncodedMessage` in `MessageEncrypter`, `MessageDecrypter` impls Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

rustls/rustls#3109 · 9 comments · 1 reaction · Opened Jun 25, 2026
IPC API for use with containers Open

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

rustls/upki#171 · 5 comments · Opened Jun 24, 2026
Look into HTTP Compression Dictionary Transport support for fetching Open

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

rustls/upki#151 · Opened Jun 12, 2026
Consider just-in-time fetching Open

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

rustls/upki#149 · 1 comment · Opened Jun 12, 2026
crates.io links to roadmap and benchmarks lead to a 404 Open

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

rustls/rustls#3087 · 1 comment · Opened Jun 9, 2026
Wrap TrustAnchor array items in AsRef<T> Open

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

rustls/webpki#505 · 5 comments · Opened Jun 6, 2026
Merkle Tree Certificates support Open

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

rustls/rustls#3079 · 1 comment · Opened Jun 3, 2026
Release checklist Open

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

rustls/upki#137 · Opened May 27, 2026
consider stabilizing `CryptoProvider` Open

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

rustls/rustls#3059 · 2 comments · Opened May 20, 2026
Publish a rustls-platform-provider crate Open

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

rustls/rustls#3056 · 4 comments · Opened May 18, 2026
Provide a runtime FIPS-restricted CryptoProvider in rustls' aws-lc-rs Open

rustls/rustls#3054 · 6 comments · 1 assignee · Opened May 14, 2026
Add musl support Open

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

rustls/ktls#69 · 2 comments · Opened May 4, 2026
Confusing behavior for `send_close_notify()` Open

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

rustls/rustls#3047 · 1 comment · Opened May 4, 2026
Could we cache `rustls-native-certs::load_native_certs()`? Open

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

rustls/rustls-platform-verifier#230 · 2 comments · Opened Apr 15, 2026
Use Java instead of Kotlin? Open

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

rustls/rustls-platform-verifier#228 · 3 comments · Opened Mar 23, 2026
Docs for getting Kotlin/maven component seem incomplete Open

O-Android

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

rustls/rustls-platform-verifier#226 · 6 comments · Opened Mar 22, 2026
0.15 release planning Open

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

rustls/rcgen#418 · 3 comments · Opened Mar 13, 2026
Adding SymCrypt as a crypto provider Open

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

rustls/rcgen#414 · 7 comments · Opened Mar 5, 2026
Some TLS handshake failed Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rustls/tokio-rustls#163 · 1 comment · Opened Mar 4, 2026
Android verifier returns Revoked for Let's Encrypt certificates (CRL-only, no OCSP URL) Open

bug O-Android

rustls/rustls-platform-verifier#221 · 12 comments · 4 reactions · 1 assignee · Opened Feb 19, 2026
rustls-platform-verifier doesn't work on termux Open

bug O-Android

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

rustls/rustls-platform-verifier#219 · 13 comments · 6 reactions · Opened Feb 7, 2026
Email Name Constraints Open

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

rustls/webpki#445 · 4 comments · Opened Feb 2, 2026
Consider dependency on bincode Open

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

rustls/upki#33 · 1 comment · Opened Jan 8, 2026
Think about what happens when `fetch` is run twice concurrently for a single cache directory Open

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

rustls/upki#32 · 1 comment · Opened Jan 7, 2026
with_extra_roots extension Open

enhancement O-Apple O-UNIX O-Windows

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

rustls/rustls-platform-verifier#202 · 1 comment · Opened Jan 2, 2026
Windows: -1073741819 error code in rustup downloading with rustls Open

help wanted O-Windows

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

rustls/rustls-platform-verifier#200 · 2 comments · Opened Dec 1, 2025
Add option to skip certificate time validity check Open

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

rustls/webpki#420 · 8 comments · Opened Dec 1, 2025
Documented solution to return HTTP errors to plaintext clients broke Open

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

rustls/tokio-rustls#146 · 3 comments · Opened Nov 21, 2025
Platform verifier: intermediate CA as root validation differs Open

discussion O-Windows

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

rustls/rustls-platform-verifier#199 · 2 comments · Opened Nov 5, 2025
RFE: Stable C API and ABI Open

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

rustls/webpki#405 · 3 comments · Opened Oct 28, 2025
Does this library have any plans to be runtime-independent? Open

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

rustls/hyper-rustls#309 · 1 comment · Opened Oct 23, 2025
naming: `CertifiedKey` is confusing Open

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

rustls/rcgen#391 · 3 comments · 1 reaction · Opened Oct 20, 2025
Why does `SignatureVerificationAlgorithm` have a `Send + Sync` supertrait bound? Open

next-major-release

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

rustls/pki-types#89 · 6 comments · Opened Oct 10, 2025

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