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rust-openssl

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rust-openssl
OpenSSL bindings for Rust

Rust · 1649 stars

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[Feature request] Add `version: Option<u32>` to `openssl::kdf::argon2id`. Open

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

rust-openssl/rust-openssl#2685 · Opened Sep 4, 2026
`cipher_update`'s wrap-mode output bound is 8 bytes short for DES3-WRAP, so safe code writes past the buffer Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

rust-openssl/rust-openssl#2682 · 1 comment · Opened Sep 2, 2026
`Dsa::public_key_from_der` accepts a key with no parameters, and `DsaRef::p()` then hands safe code a null `&BigNumRef` Open

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

rust-openssl/rust-openssl#2681 · 1 comment · Opened Sep 2, 2026
`X509StoreContextRef::verify_cert` dereferences `ctx->cert` after `init` has cleaned the context up Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

rust-openssl/rust-openssl#2680 · 1 comment · Opened Sep 2, 2026
`X509StoreContextRef::current_cert` hands out a dangling `&X509Ref` after `init` returns Open

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

rust-openssl/rust-openssl#2679 · 1 comment · Opened Sep 2, 2026
Objects built from an `OsslLibCtx` carry no lifetime tie to it, so safe code can use them after it is freed Open

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

rust-openssl/rust-openssl#2678 · 2 comments · Opened Sep 2, 2026
`aes::wrap_key`, `aes::unwrap_key` and `SslStream::read_early_data` write through a pointer derived from a shared reborrow Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

rust-openssl/rust-openssl#2672 · 1 comment · 1 reaction · Opened Aug 25, 2026
`PkeyCtxRef::verify_recover` overflows the caller's output buffer Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

rust-openssl/rust-openssl#2671 · 1 comment · Opened Aug 25, 2026
Safe `aad_update` / `encrypt_aead` / `decrypt_aead` make OpenSSL write through a NULL pointer for non-AEAD ciphers Open

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

rust-openssl/rust-openssl#2670 · 1 comment · Opened Aug 25, 2026
Build failure when openssl is hardened (i.e. compiled with `no-deprecated` flag) Open

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

rust-openssl/rust-openssl#2641 · 2 reactions · Opened May 21, 2026
Are handwritten bindings still necessary Open

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

rust-openssl/rust-openssl#2637 · 8 comments · Opened May 13, 2026
Request for feedback: Rust-native components as an alternative to extern "C" bindings Open

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

rust-openssl/rust-openssl#2635 · 2 comments · Opened May 12, 2026
Raw FFI bindings to platform libraries like ASN1_STRING_set Open

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

rust-openssl/rust-openssl#2634 · 1 comment · Opened May 11, 2026
Compile fails with aws-lc-fips feature enabled Open

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

rust-openssl/rust-openssl#2616 · 1 comment · Opened Apr 23, 2026
Unable to configure mutual TLS with trust store (OpenSSL hash dir) and CRL support; client certificate rejected with SSL_ERROR_UNKNOWN_CA_ALERT Open

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

rust-openssl/rust-openssl#2584 · Opened Mar 17, 2026
pkg-config vs. homebrew precendence on macOS Open

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

rust-openssl/rust-openssl#2575 · Opened Feb 27, 2026
Gitlab CI: ubuntu x86_64 22.04: `Error: character following name is not '#'` Open

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

rust-openssl/rust-openssl#2574 · 3 comments · 2 reactions · Opened Feb 25, 2026
That X509::clone increases a reference counter only is unexpected behaviour for me Open

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

rust-openssl/rust-openssl#2571 · 2 comments · Opened Feb 12, 2026
Adding challenge password to CSR Open

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

rust-openssl/rust-openssl#2565 · Opened Jan 23, 2026
Should we include zlib as default dependency as well? Open

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

rust-openssl/rust-openssl#2564 · 8 comments · Opened Jan 6, 2026
How to get subject alternative names from CSR. Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rust-openssl/rust-openssl#2544 · Opened Dec 20, 2025
`OPENSSL_NO_VENDOR=0` should work for opt-in vendoring without `vendored` feature Open

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

rust-openssl/rust-openssl#2533 · 1 comment · 2 reactions · Opened Dec 4, 2025
Build fails looking for fuzz/build.info with openssl-sys 0.9.111 Open

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

rust-openssl/rust-openssl#2525 · 1 comment · 1 reaction · Opened Nov 21, 2025
crate will not compile on a nix-os system Open

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

rust-openssl/rust-openssl#2522 · 2 comments · Opened Nov 20, 2025
Support for OpenSSL asynchronous job management Open

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

rust-openssl/rust-openssl#2520 · Opened Nov 14, 2025
How to obtain the key type of the SM2 certificate public key Open

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

rust-openssl/rust-openssl#2515 · Opened Nov 3, 2025
Could not find directory of OpenSSL installation, Open

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

rust-openssl/rust-openssl#2514 · Opened Nov 1, 2025
missing symbols: SSL_get_ciphers, SSL_get_client_ciphers, SSL_verify_client_post_handshake Open

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

rust-openssl/rust-openssl#2506 · 1 comment · 1 reaction · Opened Oct 23, 2025
Segfault when concurrently creating `reqwest::Client::new()` Clients with static openssl Open

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

rust-openssl/rust-openssl#2505 · 2 comments · Opened Oct 21, 2025
Missing PKCS12_verify_mac() Open

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

rust-openssl/rust-openssl#2503 · 1 comment · Opened Oct 17, 2025
Setting SM2 User ID After EVP_DigestSignInit Open

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

rust-openssl/rust-openssl#2468 · Opened Oct 1, 2025
Ability to destroy `SslStream` and reacquire underlying stream Open

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

rust-openssl/rust-openssl#2467 · Opened Sep 25, 2025
Ssl implements ForeignType from foreign_types_shared 0.1 Open

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

rust-openssl/rust-openssl#2461 · 2 comments · Opened Sep 10, 2025
SslConnector does not appear to respect system openssl.cnf for default cipher list Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

rust-openssl/rust-openssl#2440 · Opened Aug 8, 2025
How do I set a timeout for sslstream.connect Open

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

rust-openssl/rust-openssl#2435 · Opened Jul 31, 2025
Reqwest Identity creation is failing in Mac OS Open

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

rust-openssl/rust-openssl#2429 · Opened Jul 17, 2025
CMS with encrypted detached data Open

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

rust-openssl/rust-openssl#2419 · 3 comments · Opened Jun 5, 2025
Generate certain X.509 name constraints by string concatenation Open

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

rust-openssl/rust-openssl#2418 · Opened Jun 3, 2025
Need help building musl binary in ubuntu 22.04 Open

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

rust-openssl/rust-openssl#2411 · 5 reactions · Opened May 22, 2025
X509_check_ca Open

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

rust-openssl/rust-openssl#2410 · Opened May 21, 2025
Building for `arm-unknown-linux-gnueabihf` from WSL2 fails using Cross Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rust-openssl/rust-openssl#2409 · 1 reaction · Opened May 20, 2025
How can i tell openssl to retrieve the private key from the TPM during the MTLS handshake Open

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

rust-openssl/rust-openssl#2408 · 1 comment · 1 reaction · Opened May 20, 2025
`cargo test --package openssl test_ec_key_accessor` crashes with 0xc0000005 on arm64 Windows Open

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

rust-openssl/rust-openssl#2406 · 5 comments · Opened May 12, 2025
`cargo build` fails on arm64 Windows 11 with vcpkg's openssl 3.5.0 Open

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

rust-openssl/rust-openssl#2404 · Opened May 11, 2025
Error finding OpenSSL on Ubuntu 24 Open

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

rust-openssl/rust-openssl#2400 · 2 comments · 1 reaction · Opened May 4, 2025
error: failed to run custom build command for `openssl-sys v0.9.92` Open

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

rust-openssl/rust-openssl#2394 · 3 comments · 2 reactions · Opened Apr 9, 2025
feature request: PQC algoritm bindings to openssl 3.5.0 Open

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

rust-openssl/rust-openssl#2393 · 10 comments · Opened Apr 8, 2025
Error finding openssl on WSL2 Ubuntu on Windows 11 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rust-openssl/rust-openssl#2385 · 4 comments · Opened Mar 16, 2025
Error configuring OpenSSL build Open

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

rust-openssl/rust-openssl#2384 · 2 reactions · Opened Mar 12, 2025
Build failure on Fedora 41 Open

Difficulty 1/5 Under an hour Newbie friendliness 25/100

rust-openssl/rust-openssl#2381 · 1 comment · Opened Mar 11, 2025

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