rustls/rustls

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A modern TLS library in Rust

Stars: 7.6k
Forks: 896
Open beginner issues: 0
Indexed issues: 69
Avg merge: 1d 6h
Merged PRs (30d): 39

Dominant language: Rust
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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69 open issues indexed

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
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
Dynamically set ECH configuration Open

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

rustls/rustls#3119 · 7 comments · Opened Jul 4, 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
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
Merkle Tree Certificates support Open

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

rustls/rustls#3079 · 1 comment · Opened Jun 3, 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
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
tls with android auto Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

rustls/rustls#2455 · 13 comments · Opened May 9, 2025
RFE: support for system-wide crypto policies Open

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

rustls/rustls#2402 · 17 comments · 1 reaction · Opened Mar 28, 2025
0.24 tracking issue Open

next-major-release

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

rustls/rustls#2400 · 16 comments · 11 reactions · Opened Mar 25, 2025
Evolution of state machine representations Open

next-major-release

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

rustls/rustls#2397 · 1 comment · 1 reaction · Opened Mar 25, 2025
Session storage does not take ALPN into account? Open

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

rustls/rustls#2196 · 3 comments · Opened Nov 6, 2024
Defend against crate feature-variant breaking API changes in CI Open

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

rustls/rustls#2190 · 2 comments · 2 reactions · Opened Oct 31, 2024
Dependency Dashboard Open

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

rustls/rustls#1990 · Opened Jun 5, 2024
Server-side Encrypted Client Hello (ECH) support Open

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

rustls/rustls#1980 · 1 comment · 40 reactions · Opened May 31, 2024
Poll-based encrypt/decrypt/sign API support in asynchronous and synchronous call Open

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

rustls/rustls#1976 · 9 comments · Opened May 31, 2024
unbuffered: B: `CapacityBuffer` for `output_tls.capacity()` Open

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

rustls/rustls#1880 · 9 comments · Opened Mar 29, 2024
Consider a process default server certificate verifier Open

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

rustls/rustls#1821 · 4 comments · 6 reactions · Opened Feb 29, 2024
reduce bifurcation of library internals by using low-level API in high-level API Open

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

rustls/rustls#1723 · 11 comments · Opened Jan 4, 2024
Improving performance of ServerSessionMemoryCache Open

performance_enhancement

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

rustls/rustls#1503 · 2 comments · Opened Sep 29, 2023
Rebuilding connections from serializable parts Open

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

rustls/rustls#1247 · 7 comments · 3 reactions · Opened Mar 24, 2023
benchmark ServerSessionMemoryCache Open

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

rustls/rustls#1200 · 20 comments · Opened Feb 23, 2023
Support for URI in SAN Open

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

rustls/rustls#1194 · 5 comments · 4 reactions · Opened Feb 7, 2023
Improvements to client certificate support Open

Difficulty 5/5 Over a week Newbie friendliness 48/100

rustls/rustls#1164 · 11 comments · Opened Jan 12, 2023
Support id-RSASSA-PSS certificates with PSS (cf. rsaEncryption with PSS) Open

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

rustls/rustls#1161 · 5 comments · Opened Jan 12, 2023
Support asynchronous cryptographic accelerators under Linux Open

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

rustls/rustls#1033 · Opened May 4, 2022
How can we test disallowed states/behaviors for QUIC? Open

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

rustls/rustls#1011 · 2 comments · Opened Feb 19, 2022
We should avoid setting 0-RTT state when we have no intention of doing 0-TT Open

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

rustls/rustls#1010 · 2 comments · 1 reaction · Opened Feb 18, 2022
Clarify what happens when we receive `close_notify` before verifying Finished and/or peer identity Open

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

rustls/rustls#989 · 3 comments · Opened Jan 27, 2022
Do we do the right thing when there's data after a `close_notify` alert? Open

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

rustls/rustls#959 · 13 comments · Opened Jan 23, 2022
CI/CD should warn about using Rust versions with known vulnerabilities Open

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

rustls/rustls#950 · 2 comments · Opened Jan 21, 2022
ServerCertVerifier/ClientCertVerifier methods shouldn't return `rustls::Error`. Open

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

rustls/rustls#931 · 1 comment · 1 reaction · Opened Jan 14, 2022
Restore the ability to access the certificate verifier through `ClientConfig`/`ServerConfig` Open

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

rustls/rustls#921 · 4 comments · 1 reaction · Opened Jan 12, 2022
Types from `internal::*` should not appear in public types Open

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

rustls/rustls#920 · 20 comments · 1 reaction · Opened Jan 12, 2022
Highlight always-taken branches (especially missing `else`) in code coverage metrics Open

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

rustls/rustls#916 · Opened Jan 10, 2022
Avoid code bloat due to unnecessary monomorphization Open

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

rustls/rustls#915 · 2 comments · Opened Jan 10, 2022
Make a best effort to ensure we do what's needed to support atomic append of SSLKEYLOGFILE Open

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

rustls/rustls#912 · 2 comments · Opened Jan 7, 2022
Lazily parse TLS vector contents to eliminate intermedaite `Vec` construction Open

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

rustls/rustls#907 · 1 comment · Opened Jan 7, 2022
`emit_client_hello_for_retry` coding pattern is error-prone, especially race-prone Open

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

rustls/rustls#905 · Opened Jan 7, 2022
Indicate support for supported signature algorithms in `CertificateStatusRequest`s Open

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

rustls/rustls#900 · 1 comment · Opened Jan 6, 2022
Remove all use of `std::env` (for SSLKEYLOGFILE) Open

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

rustls/rustls#899 · 18 comments · 1 reaction · Opened Jan 5, 2022
Replace `Error::*Error(String)` with non-heap-allocating localizable enum variants Open

rustls/rustls#889 · 2 comments · 2 reactions · 1 assignee · Opened Dec 22, 2021
Fallible allocation Open

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

rustls/rustls#886 · 19 comments · Opened Dec 22, 2021
Support for Exported Authenticators Open

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

rustls/rustls#876 · 2 reactions · Opened Dec 11, 2021
Asynchronous calls to user-provided code Open

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

rustls/rustls#850 · 13 comments · 6 reactions · Opened Nov 13, 2021
DNS-Based Authentication of Named Entities (DANE) Open

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

rustls/rustls#816 · 15 comments · 5 reactions · Opened Sep 11, 2021

rustls/rustls

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