feat(crypto): move the rustls backend from ring to aws-lc-rs, with PQ key exchange

The workspace pinned `ring` everywhere because aws-lc-sys 0.41.0 failed to C-compile
on the Windows CI runner. Re-tested on that runner (.133) with aws-lc-sys 0.44.0: the
`params.c` cl.exe failure does not reproduce under MSVC 14.44, and rustls's `aws_lc_rs`
feature turns on `aws-lc-rs/prebuilt-nasm`, so no NASM is needed on the box either.

That unblocks post-quantum TLS: `prefer-post-quantum` offers X25519MLKEM768 first on
every TLS 1.3 handshake (mgmt API, native control plane, QUIC), which ring cannot do —
it has no ML-KEM. Classical curves stay in the list, so older clients still connect.

rustls, quinn, rcgen and tokio-rustls each select a backend independently, so all four
had to move together; a single dissenter pulls a second crypto stack in via feature
unification. The direct `ring` users (ed25519 in pf-update-check, SHA-256 in the Windows
updater) moved to aws-lc-rs, whose API is ring-compatible.

`ring` does NOT leave the tree: ureq 2 names `features = ["ring"]` in its own rustls
dependency line and cargo features are additive, so no dependent can switch it off. Two
backends compiled in means rustls refuses to infer one, and anything built via
`ClientConfig::builder()` panics instead of picking — which is what ureq's default agent
does on its first HTTPS request. `tls::install_default_provider()` makes the choice
explicit; it runs at each binary's entry point and defensively in pf-client-core, which
several binaries link. Dropping ring entirely needs the ureq 2 -> 3 upgrade (36 call
sites), deliberately left out of this change.

Verified on macOS: pf-update-check 32, punktfunk-core 385, c_abi 1 (the last with
LIBRARY_PATH=/opt/homebrew/opt/opus/lib) — aws-lc-sys links into the C ABI harness, so
the Swift/Kotlin embedders keep working. cargo fmt --all --check clean.
This commit is contained in:
2026-08-13 12:41:47 +02:00
parent 5fbf04f56d
commit 79d755cd98
24 changed files with 967 additions and 188 deletions
+24
View File
@@ -32,6 +32,30 @@ pairing + the legacy GCM path, security-review #5/#9) are enabled only by an exp
the old flag is still accepted as explicit-off).
- Windows was already opt-in (unchecked installer task) and is unchanged.
### TLS moved to aws-lc-rs, with post-quantum key exchange (⚠ build-visible for packagers/embedders)
The rustls backend across the whole workspace — host, tray, clients and `punktfunk-core` — is now
**aws-lc-rs** instead of `ring`, which enables rustls's `prefer-post-quantum`: every TLS 1.3
handshake (management API, the native `punktfunk/1` control plane, QUIC) now offers the
**X25519MLKEM768** hybrid key exchange first. Ring has no ML-KEM, which is why the backend had to
move. This is negotiation-only and additive — the classical curves stay in the list, so any client
that does not implement ML-KEM connects exactly as before, and no wire format, ABI or pairing
record changes. The session AEAD (AES-128-GCM / ChaCha20-Poly1305) is a separate mechanism and is
untouched.
**Building from source now needs a working C compiler**, because `aws-lc-sys` compiles AWS-LC.
No CMake, Go, or NASM is required for the default (non-FIPS) build — on Windows x86_64 rustls turns
on `aws-lc-rs/prebuilt-nasm`, so no NASM has to be installed. If you add a crate that depends on
`aws-lc-rs` *directly*, name `features = ["prebuilt-nasm"]` on it: a package selection that pulls
`aws-lc-rs` without also enabling rustls's `aws_lc_rs` feature otherwise fails on Windows.
`ring` is still compiled in, because `ureq 2` pins `rustls/ring` inside its own dependency
declaration and cargo features are additive. Two backends present means rustls will not infer one,
so anything constructing a config through `ClientConfig::builder()` panics unless a provider was
installed first. **Embedders of `punktfunk-core` that build their own rustls configs should call
`punktfunk_core::tls::install_default_provider()` at startup**, or use `builder_with_provider`.
Every first-party binary already does.
### The ENet control port now exists only while a pairing does (rust-safety WP0)
`rusty_enet` — a c2rust-style transpile of C ENet, and the host's only pre-auth-reachable unsafe
Generated
+51 -6
View File
@@ -1,6 +1,6 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
version = 4
[[package]]
name = "adler2"
@@ -384,6 +384,30 @@ version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
[[package]]
name = "aws-lc-rs"
version = "1.18.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ce2b2dcc879c3bae0d371e77c99f2238400ef24ec001394befa67b6e543add9e"
dependencies = [
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"untrusted 0.7.1",
"zeroize",
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[[package]]
name = "aws-lc-sys"
version = "0.44.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f09fae7be8bb3174e05c6afdb34199e6dc0c7c04ba9fa237b1967adfbde27483"
dependencies = [
"cc",
"cmake",
"dunce",
"fs_extra",
"pkg-config",
]
[[package]]
name = "axum"
version = "0.8.9"
@@ -1137,6 +1161,12 @@ version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
[[package]]
name = "dunce"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "either"
version = "1.16.0"
@@ -1414,6 +1444,12 @@ dependencies = [
"tokio",
]
[[package]]
name = "fs_extra"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
[[package]]
name = "futures"
version = "0.3.32"
@@ -3221,8 +3257,8 @@ name = "pf-update-check"
version = "0.27.0"
dependencies = [
"anyhow",
"aws-lc-rs",
"base64",
"ring",
"serde",
"serde_json",
"ureq",
@@ -3646,6 +3682,7 @@ dependencies = [
"anyhow",
"ash",
"ashpd",
"aws-lc-rs",
"axum",
"axum-server",
"base64",
@@ -3685,7 +3722,6 @@ dependencies = [
"rand 0.8.6",
"rcgen",
"reis",
"ring",
"roxmltree",
"rsa",
"rusqlite",
@@ -3808,6 +3844,7 @@ version = "0.11.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4fcb935c5bec503c2f0e306bdd3e58bb9029dcb14fa8d9ac76e3a5256ac0763e"
dependencies = [
"aws-lc-rs",
"bytes",
"fastbloom",
"getrandom 0.3.4",
@@ -3990,8 +4027,8 @@ version = "0.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75e669e5202259b5314d1ea5397316ad400819437857b90861765f24c4cf80a2"
dependencies = [
"aws-lc-rs",
"pem",
"ring",
"rustls-pki-types",
"time",
"yasna",
@@ -4111,7 +4148,7 @@ dependencies = [
"cfg-if",
"getrandom 0.2.17",
"libc",
"untrusted",
"untrusted 0.9.0",
"windows-sys 0.52.0",
]
@@ -4218,6 +4255,7 @@ version = "0.23.41"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6b92b125634d9b795e7beca796cc790df15a7fb38323bf3196fda83292d06b1f"
dependencies = [
"aws-lc-rs",
"log",
"once_cell",
"ring",
@@ -4282,9 +4320,10 @@ version = "0.103.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "61c429a8649f110dddef65e2a5ad240f747e85f7758a6bccc7e5777bd33f756e"
dependencies = [
"aws-lc-rs",
"ring",
"rustls-pki-types",
"untrusted",
"untrusted 0.9.0",
]
[[package]]
@@ -5301,6 +5340,12 @@ dependencies = [
"subtle",
]
[[package]]
name = "untrusted"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
[[package]]
name = "untrusted"
version = "0.9.0"
+764 -128
View File
@@ -7,7 +7,7 @@ below. Each is distributed under its own permissive license; the full license te
follow the manifest. This file is generated by scripts/gen-third-party-notices.py
(or `cargo about`, see about.toml) — do not edit by hand.
Total third-party crates: 596
Total third-party crates: 601
----------------------------------------------------------------------------
VENDORED THIRD-PARTY SOURCE (inside first-party crates)
@@ -19,6 +19,9 @@ VENDORED THIRD-PARTY SOURCE (inside first-party crates)
Font Awesome Free brand icons (vendored, assets/os-icons) — https://fontawesome.com
Simple Icons (vendored, assets/os-icons) — https://simpleicons.org
Bazzite logo (vendored, assets/os-icons) — https://github.com/ublue-os/bazzite
Font Awesome Free brand icons (vendored, assets/launcher-icons) — https://fontawesome.com
Simple Icons (vendored, assets/launcher-icons) — https://simpleicons.org
Playnite logo (vendored, assets/launcher-icons) — https://github.com/JosefNemec/Playnite
----------------------------------------------------------------------------
MANIFEST (crate version — SPDX license — source)
@@ -59,6 +62,8 @@ MANIFEST (crate version — SPDX license — source)
atomig-macro 0.4.0 — MIT/Apache-2.0 — https://github.com/LukasKalbertodt/atomig/
audiopus_sys 0.2.2 — ISC — https://github.com/lakelezz/audiopus_sys.git
autocfg 1.5.1 — Apache-2.0 OR MIT — https://github.com/cuviper/autocfg
aws-lc-rs 1.18.0 — ISC AND (Apache-2.0 OR ISC) — https://github.com/aws/aws-lc-rs
aws-lc-sys 0.44.0 — ISC AND (Apache-2.0 OR ISC) AND Apache-2.0 AND MIT AND BSD-3-Clause AND (Apache-2.0 OR ISC OR MIT) AND (Apache-2.0 OR ISC OR MIT-0) — https://github.com/aws/aws-lc-rs
axum 0.8.9 — MIT — https://github.com/tokio-rs/axum
axum-core 0.5.6 — MIT — https://github.com/tokio-rs/axum
axum-server 0.8.0 — MIT — https://github.com/programatik29/axum-server
@@ -132,6 +137,7 @@ MANIFEST (crate version — SPDX license — source)
digest 0.10.7 — MIT OR Apache-2.0 — https://github.com/RustCrypto/traits
displaydoc 0.2.6 — MIT OR Apache-2.0 — https://github.com/yaahc/displaydoc
downcast-rs 1.2.1 — MIT/Apache-2.0 — https://github.com/marcianx/downcast-rs
dunce 1.0.5 — CC0-1.0 OR MIT-0 OR Apache-2.0 — https://gitlab.com/kornelski/dunce
either 1.16.0 — MIT OR Apache-2.0 — https://github.com/rayon-rs/either
endi 1.1.1 — MIT — https://github.com/zeenix/endi
enumflags2 0.7.12 — MIT OR Apache-2.0 — https://github.com/meithecatte/enumflags2
@@ -162,6 +168,7 @@ MANIFEST (crate version — SPDX license — source)
form_urlencoded 1.2.2 — MIT OR Apache-2.0 — https://github.com/servo/rust-url
fragile 2.1.0 — Apache-2.0 — https://github.com/mitsuhiko/fragile
fs-err 3.3.0 — MIT OR Apache-2.0 — https://github.com/andrewhickman/fs-err
fs_extra 1.3.0 — MIT — https://github.com/webdesus/fs_extra
futures 0.3.32 — MIT OR Apache-2.0 — https://github.com/rust-lang/futures-rs
futures-channel 0.3.32 — MIT OR Apache-2.0 — https://github.com/rust-lang/futures-rs
futures-core 0.3.32 — MIT OR Apache-2.0 — https://github.com/rust-lang/futures-rs
@@ -482,6 +489,7 @@ MANIFEST (crate version — SPDX license — source)
unicode-segmentation 1.13.3 — MIT OR Apache-2.0 — https://github.com/unicode-rs/unicode-segmentation
unicode-width 0.2.2 — MIT OR Apache-2.0 — https://github.com/unicode-rs/unicode-width
universal-hash 0.5.1 — MIT OR Apache-2.0 — https://github.com/RustCrypto/traits
untrusted 0.7.1 — ISC — https://github.com/briansmith/untrusted
untrusted 0.9.0 — ISC — https://github.com/briansmith/untrusted
ureq 2.12.1 — MIT OR Apache-2.0 — https://github.com/algesten/ureq
url 2.5.8 — MIT OR Apache-2.0 — https://github.com/servo/rust-url
@@ -3088,6 +3096,534 @@ IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------
The following license (LICENSE) applies to: aws-lc-rs 1.18.0
----------------------------------------------------------------------------
SPDX-License-Identifier: ISC AND (Apache-2.0 OR ISC)
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----------------------------------------------------------------------------
The following license (LICENSE) applies to: aws-lc-sys 0.44.0
----------------------------------------------------------------------------
AWS Libcrypto (AWS-LC)
AWS-LC is a fork of BoringSSL, which is itself a fork of OpenSSL.
Content from these and other sources retains their original licensing,
as described below. New files from AWS-LC are made available under the Apache-2.0 license OR the ISC
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```
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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================================================================================
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================================================================================
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```
Copyright (c) 2014-2024 Google Inc.
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```
Additional individual contributions to BoringSSL-derived code are
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- Robert Nagy (Copyright 2022)
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```
Copyright (c) 2025-2026 Google Inc.
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================================================================================
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================================================================================
mlkem-native
================================================================================
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```
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================================================================================
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```
================================================================================
Third-Party Libraries (compiled into libcrypto/libssl)
================================================================================
Fiat Cryptography
-----------------
Synthesizing Correct-by-Construction Code for Cryptographic Primitives.
See third_party/fiat/LICENSE.
```
Copyright (c) 2015-2020 the fiat-crypto authors.
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```
s2n-bignum
----------
Integer arithmetic routines for cryptography.
See third_party/s2n-bignum/s2n-bignum-imported/LICENSE.
```
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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```
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Jitter Entropy RNG
-------------------
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```
Keccak / AES Reference Implementations
---------------------------------------
Public domain (CC0) contributions.
https://creativecommons.org/public-domain/cc0
Code from sources and by authors listed in comments on top of the respective files.
================================================================================
Third-Party Libraries (NOT compiled into libcrypto/libssl)
================================================================================
The following are used for testing and build tooling only. Distributing
code linked against AWS-LC (libcrypto/libssl) does NOT trigger these
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Google Test
-----------
See third_party/googletest/LICENSE.
```
Copyright 2008 Google Inc.
SPDX-License-Identifier: BSD-3-Clause
```
Go Standard Library
-------------------
Code in ssl/test/runner/ is derived from the Go standard library.
```
Copyright (c) The Go Authors. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
```
Wycheproof Test Vectors
------------------------
Project Wycheproof is a community managed repository of test vectors that can be used by cryptography library
developers to test against known attacks, specification inconsistencies, and other various implementation bugs.
See third_party/wycheproof_testvectors/LICENSE.
```
SPDX-License-Identifier: Apache-2.0
```
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----------------------------------------------------------------------------
The following license (LICENSE) applies to: axum 0.8.9
----------------------------------------------------------------------------
@@ -5597,6 +6133,132 @@ IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------
The following license (LICENSE) applies to: dunce 1.0.5, to_method 1.1.0
----------------------------------------------------------------------------
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----------------------------------------------------------------------------
The following license (LICENSE-MIT) applies to: either 1.16.0, itertools 0.10.5, itertools 0.13.0
----------------------------------------------------------------------------
@@ -6424,6 +7086,28 @@ the following restrictions:
3. This notice may not be removed or altered from any source distribution.
----------------------------------------------------------------------------
The following license (font-awesome-brands.txt) applies to: Font Awesome Free brand icons (vendored, assets/launcher-icons)
----------------------------------------------------------------------------
Font Awesome Free — brand icons (steam, xbox in assets/launcher-icons/) are from
Font Awesome Free.
Copyright (c) Fonticons, Inc. (https://fontawesome.com)
Font Awesome Free icons are licensed under the Creative Commons Attribution 4.0
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The icons are redistributed here as monochrome SVG path data with no
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----------------------------------------------------------------------------
The following license (font-awesome-brands.txt) applies to: Font Awesome Free brand icons (vendored, assets/os-icons)
----------------------------------------------------------------------------
@@ -6476,6 +7160,32 @@ IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------
The following license (LICENSE) applies to: fs_extra 1.3.0
----------------------------------------------------------------------------
MIT License
Copyright (c) 2017 Denis Kurilenko
Permission is hereby granted, free of charge, to any person obtaining a copy
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SOFTWARE.
----------------------------------------------------------------------------
The following license (LICENSE-APACHE) applies to: futures 0.3.32, futures-channel 0.3.32, futures-core 0.3.32, futures-executor 0.3.32, futures-io 0.3.32, futures-macro 0.3.32, futures-sink 0.3.32, futures-task 0.3.32, futures-util 0.3.32
----------------------------------------------------------------------------
@@ -10437,6 +11147,40 @@ IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------
The following license (playnite.txt) applies to: Playnite logo (vendored, assets/launcher-icons)
----------------------------------------------------------------------------
Playnite — the `playnite` mark in assets/launcher-icons/ is the Playnite logo from the
Playnite source repository (media/playnite-logo-black.svg).
Copyright (c) 2020 Josef Nemec (https://github.com/JosefNemec/Playnite)
Licensed under the MIT License:
Permission is hereby granted, free of charge, to any person obtaining a copy of
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Modifications: the colour was normalized to fill="currentColor"; the original viewBox
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Brand icons are trademarks of their respective owners and are used for identification
purposes only; their use does not imply endorsement.
----------------------------------------------------------------------------
The following license (LICENSE-MIT) applies to: png 0.18.1
----------------------------------------------------------------------------
@@ -13205,6 +13949,24 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
----------------------------------------------------------------------------
The following license (simple-icons.txt) applies to: Simple Icons (vendored, assets/launcher-icons)
----------------------------------------------------------------------------
Simple Icons — brand icons (lutris, heroic, epic, gog in assets/launcher-icons/) are
from Simple Icons
(https://simpleicons.org, https://github.com/simple-icons/simple-icons).
Upstream slugs: lutris, heroicgameslauncher, epicgames, gogdotcom.
The Simple Icons SVG path data is released under CC0 1.0 Universal (public domain
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Brand icons are trademarks of their respective owners and are used for
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https://github.com/simple-icons/simple-icons/blob/develop/DISCLAIMER.md.
----------------------------------------------------------------------------
The following license (simple-icons.txt) applies to: Simple Icons (vendored, assets/os-icons)
----------------------------------------------------------------------------
@@ -13907,132 +14669,6 @@ freely, subject to the following restrictions:
3. This notice may not be removed or altered from any source distribution.
----------------------------------------------------------------------------
The following license (LICENSE) applies to: to_method 1.1.0
----------------------------------------------------------------------------
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----------------------------------------------------------------------------
The following license (LICENSE) applies to: tokio 1.52.3, tokio-util 0.7.18
----------------------------------------------------------------------------
@@ -14837,7 +15473,7 @@ DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------
The following license (LICENSE.txt) applies to: untrusted 0.9.0
The following license (LICENSE.txt) applies to: untrusted 0.7.1, untrusted 0.9.0
----------------------------------------------------------------------------
// Copyright 2015-2016 Brian Smith.
//
+2 -1
View File
@@ -15,7 +15,8 @@ crate-type = ["cdylib"]
[dependencies]
# The whole protocol/transport/FEC/crypto + the embeddable NativeClient connector. `quic` pulls
# the punktfunk/1 control plane (now ring-only — no aws-lc, see punktfunk-core/Cargo.toml).
# the punktfunk/1 control plane, whose TLS runs on aws-lc-rs (see punktfunk-core/Cargo.toml)
# aws-lc-sys cross-compiles for all three ABIs with the NDK clang cargo-ndk already exports.
punktfunk-core = { path = "../../../crates/punktfunk-core", features = ["quic"] }
jni = "0.21"
log = "0.4"
+1
View File
@@ -1389,6 +1389,7 @@ from the config directory for a true factory reset."
#[cfg(any(target_os = "linux", windows))]
fn main() -> std::process::ExitCode {
punktfunk_core::tls::install_default_provider();
// Logs to stderr; stdout is the machine interface (TSV/JSON), exactly like the session
// binary's contract.
tracing_subscriber::fmt()
+1
View File
@@ -33,6 +33,7 @@ mod ui_trust;
#[cfg(target_os = "linux")]
fn main() -> gtk::glib::ExitCode {
punktfunk_core::tls::install_default_provider();
app::run()
}
+8 -1
View File
@@ -10,7 +10,14 @@ repository.workspace = true
[dependencies]
punktfunk-core = { path = "../../crates/punktfunk-core", features = ["quic"] }
quinn = "0.11"
# Backend features mirror punktfunk-core's quinn exactly (see its Cargo.toml).
quinn = { version = "0.11", default-features = false, features = [
"log",
"platform-verifier",
"runtime-tokio",
"rustls-aws-lc-rs",
"bloom",
] }
tokio = { version = "1", features = ["rt-multi-thread", "net", "time", "macros"] }
anyhow = "1"
tracing = "0.1"
+1
View File
@@ -58,6 +58,7 @@ fn main() {
let _ = AttachConsole(ATTACH_PARENT_PROCESS);
}
set_app_user_model_id();
punktfunk_core::tls::install_default_provider();
// Everything logs to stderr AND `%LOCALAPPDATA%\punktfunk\logs\client.log` (see [`logfile`]):
// a GUI/MSIX launch has no console, so without the file the client side of any field report
+3 -1
View File
@@ -105,7 +105,9 @@ ureq = "2"
# Signed update-manifest fetch/verify + the install-kind ladder, shared with the host so one
# trust rule serves both (crates/pf-update-check).
pf-update-check = { path = "../pf-update-check" }
rustls = { version = "0.23", default-features = false, features = ["ring", "logging", "std", "tls12"] }
# aws-lc-rs backend + PQ hybrid key exchange, matching punktfunk-core (see its Cargo.toml for
# why every crate that names a rustls backend has to name the same one).
rustls = { version = "0.23", default-features = false, features = ["aws_lc_rs", "prefer-post-quantum", "logging", "std", "tls12"] }
serde = { version = "1", features = ["derive"] }
serde_json = "1"
anyhow = "1"
+6 -2
View File
@@ -171,9 +171,9 @@ pub fn agent(
use rustls::pki_types::pem::PemObject;
let bad =
|what: &str, e: &dyn std::fmt::Display| LibraryError::Unreachable(format!("{what}: {e}"));
// The ring provider, explicitly — the same one core's QUIC endpoints install, so the
// The aws-lc-rs provider, explicitly — the same one core's QUIC endpoints install, so the
// process never mixes rustls crypto providers.
let provider = Arc::new(rustls::crypto::ring::default_provider());
let provider = Arc::new(rustls::crypto::aws_lc_rs::default_provider());
let builder = rustls::ClientConfig::builder_with_provider(provider)
.with_safe_default_protocol_versions()
.map_err(|e| bad("tls config", &e))?
@@ -224,6 +224,10 @@ pub fn fetch_art(pinned: &ureq::Agent, base: &str, url: &str) -> Result<Vec<u8>,
let resp = if url.starts_with(base) {
pinned.get(url).call()
} else {
// ureq's default agent builds its own rustls config, which panics unless a provider is
// already installed (two backends are compiled in — see `tls::install_default_provider`).
// Done here rather than trusting the binary, since this crate is linked by several.
punktfunk_core::tls::install_default_provider();
ureq::get(url).timeout(Duration::from_secs(10)).call()
}
.map_err(classify)?;
+9 -1
View File
@@ -18,7 +18,15 @@ publish = false
punktfunk-core = { path = "../punktfunk-core", features = ["quic"] }
anyhow = "1"
tracing = "0.1"
quinn = "0.11"
# Backend features mirror punktfunk-core's quinn exactly — quinn's default `rustls-ring` would
# drag a second crypto stack into every build that links this crate.
quinn = { version = "0.11", default-features = false, features = [
"log",
"platform-verifier",
"runtime-tokio",
"rustls-aws-lc-rs",
"bloom",
] }
tokio = { version = "1", features = ["rt", "rt-multi-thread", "sync", "time", "macros"] }
# CF_DIB <-> PNG conversion (winfmt) - most Windows apps paste bitmaps, not the "PNG" format.
# Unconditional (not windows-gated) so winfmt's pure-conversion unit tests run on every host.
+11 -3
View File
@@ -22,9 +22,17 @@ publish = false
anyhow = "1"
serde = { version = "1", features = ["derive"] }
serde_json = "1"
# Ed25519 over the exact manifest bytes. The workspace is ring-only (no aws-lc-sys — it fails
# on the Windows CI runner), and this is the same primitive the plugin-store index uses.
ring = "0.17"
# Ed25519 over the exact manifest bytes — the same primitive the plugin-store index uses, on the
# workspace's one crypto backend. aws-lc-rs's API is ring-compatible, so the call sites are
# unchanged apart from the crate name.
#
# `prebuilt-nasm` is what lets aws-lc-sys build on Windows x86_64 without NASM installed. rustls
# enables it for its own dependents, but a build that selects THIS crate without one that turns on
# rustls's `aws_lc_rs` feature — `cargo test -p pf-update-check` is exactly that, since its only
# rustls comes from ureq's ring-flavoured dependency — would get no enabler and fail on the CI
# runner. Naming it here makes the crate build standalone instead of relying on who else is in
# the selection.
aws-lc-rs = { version = "1", features = ["prebuilt-nasm"] }
base64 = "0.22"
# Small, sync, bundles webpki roots — no system cert store dependency, which matters on the
# Deck (Decky's embedded Python has no usable roots either; see clients/decky/main.py).
+8 -7
View File
@@ -40,7 +40,8 @@ pub fn verify_signature(bytes: &[u8], sig_text: &str, keys: &[PublicKey]) -> Res
.decode(sig_text.trim())
.context("signature file is not valid base64")?;
for key in keys {
let pk = ring::signature::UnparsedPublicKey::new(&ring::signature::ED25519, &key.0);
let pk =
aws_lc_rs::signature::UnparsedPublicKey::new(&aws_lc_rs::signature::ED25519, &key.0);
if pk.verify(bytes, &sig).is_ok() {
return Ok(());
}
@@ -52,14 +53,14 @@ pub fn verify_signature(bytes: &[u8], sig_text: &str, keys: &[PublicKey]) -> Res
pub(crate) mod tests {
use super::*;
/// A fresh ring keypair as `(pinned key string, signer)` — the format contract with the
/// A fresh keypair as `(pinned key string, signer)` — the format contract with the
/// CI signers (raw 32-byte key, `ed25519:<base64>`; raw 64-byte signature, base64).
pub(crate) fn keypair() -> (String, ring::signature::Ed25519KeyPair) {
pub(crate) fn keypair() -> (String, aws_lc_rs::signature::Ed25519KeyPair) {
use aws_lc_rs::signature::KeyPair as _;
use base64::Engine as _;
use ring::signature::KeyPair as _;
let rng = ring::rand::SystemRandom::new();
let pkcs8 = ring::signature::Ed25519KeyPair::generate_pkcs8(&rng).unwrap();
let kp = ring::signature::Ed25519KeyPair::from_pkcs8(pkcs8.as_ref()).unwrap();
let rng = aws_lc_rs::rand::SystemRandom::new();
let pkcs8 = aws_lc_rs::signature::Ed25519KeyPair::generate_pkcs8(&rng).unwrap();
let kp = aws_lc_rs::signature::Ed25519KeyPair::from_pkcs8(pkcs8.as_ref()).unwrap();
let key_str = format!(
"ed25519:{}",
base64::engine::general_purpose::STANDARD.encode(kp.public_key().as_ref())
+16 -7
View File
@@ -52,13 +52,22 @@ zeroize = "1"
# not just the default route. Tiny, cross-platform (getifaddrs / GetAdaptersAddresses), no cmake.
if-addrs = "0.13"
quinn = { version = "0.11", optional = true }
rustls = { version = "0.23", optional = true, default-features = false, features = ["ring", "std"] }
# Crypto backend pinned to `ring` (matching rustls/quinn above) so the whole quic tree is
# ring-only: no aws-lc-rs/aws-lc-sys (heavy C dep, needs cmake) is pulled in. Keeps the
# Android/iOS cdylib lean and the cross-compile cmake-free. `generate_simple_self_signed`
# is backend-agnostic, so the swap is transparent.
rcgen = { version = "0.13", optional = true, default-features = false, features = ["ring", "pem"] }
# Crypto backend is aws-lc-rs, and rustls/quinn/rcgen must all name it: they each select a
# backend independently, so one dissenter pulls a SECOND crypto stack in via feature unification.
# `prefer-post-quantum` puts the X25519MLKEM768 hybrid key exchange first in the TLS 1.3
# handshake, which is the reason the old `ring` pin is gone — ring has no ML-KEM.
# Windows needs no NASM: rustls's `aws_lc_rs` feature enables `aws-lc-rs/prebuilt-nasm`.
# quinn's feature list is its own default set with `rustls-ring` swapped out, nothing more.
quinn = { version = "0.11", optional = true, default-features = false, features = [
"log",
"platform-verifier",
"runtime-tokio",
"rustls-aws-lc-rs",
"bloom",
] }
rustls = { version = "0.23", optional = true, default-features = false, features = ["aws_lc_rs", "prefer-post-quantum", "std"] }
# `generate_simple_self_signed` is backend-agnostic, so the swap is transparent here.
rcgen = { version = "0.13", optional = true, default-features = false, features = ["aws_lc_rs", "pem"] }
rustls-pki-types = { version = "1", optional = true }
sha2 = { version = "0.10", optional = true }
hmac = { version = "0.12", optional = true }
+5 -5
View File
@@ -176,7 +176,7 @@ fn server_from_der(
addr: std::net::SocketAddr,
idle: std::time::Duration,
) -> anyhow_result::Result<quinn::Endpoint> {
let _ = rustls::crypto::ring::default_provider().install_default();
let _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
// Client auth is OFFERED but optional: a client that presents its self-signed
// identity is fingerprinted post-handshake (pairing / --require-pairing checks);
// one that presents none still connects (and is rejected at the app layer when
@@ -254,7 +254,7 @@ pub fn client_pinned_with_identity(
) -> PinnedClient {
let observed = Arc::new(Mutex::new(None));
let ep = (|| {
let _ = rustls::crypto::ring::default_provider().install_default();
let _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
let builder = rustls::ClientConfig::builder()
.dangerous()
.with_custom_certificate_verifier(Arc::new(crate::tls::PinVerify::with_observed(
@@ -354,7 +354,7 @@ impl rustls::server::danger::ClientCertVerifier for AcceptAnyClientCert {
message,
cert,
dss,
&rustls::crypto::ring::default_provider().signature_verification_algorithms,
&rustls::crypto::aws_lc_rs::default_provider().signature_verification_algorithms,
)
}
@@ -368,12 +368,12 @@ impl rustls::server::danger::ClientCertVerifier for AcceptAnyClientCert {
message,
cert,
dss,
&rustls::crypto::ring::default_provider().signature_verification_algorithms,
&rustls::crypto::aws_lc_rs::default_provider().signature_verification_algorithms,
)
}
fn supported_verify_schemes(&self) -> Vec<rustls::SignatureScheme> {
rustls::crypto::ring::default_provider()
rustls::crypto::aws_lc_rs::default_provider()
.signature_verification_algorithms
.supported_schemes()
}
+17 -3
View File
@@ -8,6 +8,20 @@
use std::sync::{Arc, Mutex};
/// Install aws-lc-rs as this process's rustls provider. Call once, early, from `main`.
///
/// Two rustls backends are compiled in, and NOT by choice: ours is aws-lc-rs, but `ureq 2` names
/// `features = ["ring", ...]` in its own rustls dependency line, and cargo features are additive —
/// no dependent can switch that off. With both present rustls refuses to guess which one a config
/// meant, so anything built through `ClientConfig::builder()` (rather than
/// `builder_with_provider`) **panics** instead of picking one. ureq's default agent builds exactly
/// such a config on its first HTTPS request, so any binary that can reach one of those must have
/// called this first. Idempotent: losing the race to another installer is the expected outcome,
/// not an error, since every caller in this workspace installs the same provider.
pub fn install_default_provider() {
let _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
}
/// SHA-256 of a certificate's DER encoding — the fingerprint clients pin. Re-exported as
/// `crate::quic::endpoint::cert_fingerprint` for callers that already reach it there.
pub fn cert_fingerprint(cert_der: &[u8]) -> [u8; 32] {
@@ -91,7 +105,7 @@ impl rustls::client::danger::ServerCertVerifier for PinVerify {
message,
cert,
dss,
&rustls::crypto::ring::default_provider().signature_verification_algorithms,
&rustls::crypto::aws_lc_rs::default_provider().signature_verification_algorithms,
)
}
@@ -105,12 +119,12 @@ impl rustls::client::danger::ServerCertVerifier for PinVerify {
message,
cert,
dss,
&rustls::crypto::ring::default_provider().signature_verification_algorithms,
&rustls::crypto::aws_lc_rs::default_provider().signature_verification_algorithms,
)
}
fn supported_verify_schemes(&self) -> Vec<rustls::SignatureScheme> {
rustls::crypto::ring::default_provider()
rustls::crypto::aws_lc_rs::default_provider()
.signature_verification_algorithms
.supported_schemes()
}
+21 -10
View File
@@ -48,7 +48,15 @@ pf-vdisplay = { path = "../pf-vdisplay" }
# compiles everywhere; the backends are cfg-gated inside it.
pf-clipboard = { path = "../pf-clipboard" }
# M3 native control plane (the `punktfunk/1` QUIC handshake; data plane stays native-thread UDP).
quinn = "0.11"
# Feature list = quinn's own defaults with `rustls-ring` swapped for `rustls-aws-lc-rs`; every
# crate selecting a rustls backend must agree or feature unification builds both (see core).
quinn = { version = "0.11", default-features = false, features = [
"log",
"platform-verifier",
"runtime-tokio",
"rustls-aws-lc-rs",
"bloom",
] }
anyhow = "1"
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
@@ -86,20 +94,21 @@ base64 = "0.22"
# webpki roots (no system cert dependency). Cross-platform so the fetch/parse code is compiled +
# checked everywhere even though only the Windows GOG/Xbox providers need it today.
ureq = "2"
rcgen = { version = "0.13", default-features = false, features = ["ring", "pem"] }
rcgen = { version = "0.13", default-features = false, features = ["aws_lc_rs", "pem"] }
x509-parser = "0.16"
# Only used for the plain-HTTP nvhttp listener (`bind().serve()`); HTTPS/mTLS is hand-rolled over
# tokio-rustls (axum-server can't surface the peer cert), so we do NOT enable `tls-rustls` — that
# feature is what pulled the unmaintained `rustls-pemfile` (security-review dep hygiene).
axum-server = "0.8"
# Ring backend, NOT the (default) aws-lc-rs one — matches punktfunk-core + the client so the whole
# tree stays ring-only (no aws-lc-sys: a heavy C dep that fails to build on the Windows CI runner).
# aws-lc-rs backend, matching punktfunk-core + the clients (a dissenting crate would pull a
# second crypto stack in). `prefer-post-quantum` offers X25519MLKEM768 first on the mgmt/native
# TLS 1.3 listeners; classical curves stay in the list, so a client without ML-KEM still connects.
# Keep `tls12` for GameStream/Moonlight clients that negotiate TLS 1.2.
rustls = { version = "0.23", default-features = false, features = ["ring", "std", "tls12", "logging"] }
rustls = { version = "0.23", default-features = false, features = ["aws_lc_rs", "prefer-post-quantum", "std", "tls12", "logging"] }
# Manual HTTPS+mTLS serve loop for the mgmt API (axum-server can't surface the peer cert): a
# tokio-rustls handshake exposes the client cert, then hyper serves the axum Router with the
# verified fingerprint injected as a request extension. Versions match the workspace lock.
tokio-rustls = { version = "0.26", default-features = false, features = ["ring", "tls12", "logging"] }
tokio-rustls = { version = "0.26", default-features = false, features = ["aws_lc_rs", "tls12", "logging"] }
hyper = { version = "1", features = ["server", "http1", "http2"] }
hyper-util = { version = "0.1", features = ["server", "server-auto", "tokio", "service"] }
tower = { version = "0.5", features = ["util"] }
@@ -122,10 +131,12 @@ serde_json = "1"
# utoipa into axum 0.8 extractors; utoipa-axum collects `#[utoipa::path]` routes into the
# spec; utoipa-scalar serves the interactive docs. Codegen-friendly: the spec is emitted
# verbatim by the `openapi` subcommand. Control plane only — never the per-frame path.
# Plugin-store index signatures: ed25519 verification of a catalog document before any field of
# it is read (store/index.rs). Already in the tree via rustls — the workspace is ring-only, so this
# is the one signature primitive available without pulling aws-lc-sys (which fails on Windows CI).
ring = "0.17"
# SHA-256 over the downloaded installer and its signing-leaf DER (update/windows.rs) — Windows-only
# in practice, the plugin-store's ed25519 path re-exports pf-update-check's verifier. Already in the
# tree via rustls; its API is ring-compatible by design, which is what made the swap mechanical.
# `prebuilt-nasm`: see pf-update-check's copy — it keeps aws-lc-sys building on Windows x86_64
# with no NASM on the box, whatever else the build happens to select.
aws-lc-rs = { version = "1", features = ["prebuilt-nasm"] }
# Semver comparisons for the plugin store: `minHost` gating and the revocation list's version
# ranges (`<0.3.2`). Already in the lockfile transitively.
semver = "1"
+1 -1
View File
@@ -459,7 +459,7 @@ pub fn serve(
let rt = tokio::runtime::Runtime::new().context("build tokio runtime")?;
rt.block_on(async move {
// rustls needs a process-wide crypto provider before any TLS config is built.
let _ = rustls::crypto::ring::default_provider().install_default();
let _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
let native_opts = crate::native::native_serve_opts(&native);
// The hook runner consumes the live event tail for the host's lifetime — spawned BEFORE
// `host.started` is emitted so operator hooks observe the full lifecycle (RFC §6).
+1 -1
View File
@@ -292,7 +292,7 @@ fn build_server_config(
key_pem: &str,
mandatory: bool,
) -> Result<Arc<ServerConfig>> {
let provider = Arc::new(rustls::crypto::ring::default_provider());
let provider = Arc::new(rustls::crypto::aws_lc_rs::default_provider());
// PEM parsing via rustls-pki-types (the same `PemObject` path punktfunk-core/quic.rs uses),
// so we don't pull the unmaintained `rustls-pemfile`.
let certs = CertificateDer::pem_slice_iter(cert_pem.as_bytes())
+3
View File
@@ -148,6 +148,9 @@ use spike::{Options, Source};
use std::path::PathBuf;
fn main() {
// Before anything can reach an HTTPS call (the cover-art warmer, webhooks, the plugin-store
// catalog, the update downloader all build default `ureq` agents).
punktfunk_core::tls::install_default_provider();
let filter =
tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| "info".into());
// `service run` is launched by the SCM with no console — log to a file instead of stderr.
+2 -2
View File
@@ -234,7 +234,7 @@ fn download(url: &str, part: &Path, progress: &dyn Fn(u64, Option<u64>)) -> Resu
fn verify_sha256(path: &Path, expected_hex: &str) -> Result<(), String> {
let mut file = std::fs::File::open(path).map_err(|e| format!("open for hashing: {e}"))?;
let mut ctx = ring::digest::Context::new(&ring::digest::SHA256);
let mut ctx = aws_lc_rs::digest::Context::new(&aws_lc_rs::digest::SHA256);
let mut buf = [0u8; 128 * 1024];
loop {
let n = file
@@ -366,7 +366,7 @@ pub(crate) fn verify_authenticode(path: &Path, pins: &[String]) -> Result<(), St
// cert context above; the slice is consumed (hashed) before the state is closed.
let der =
unsafe { std::slice::from_raw_parts(leaf.pbCertEncoded, leaf.cbCertEncoded as usize) };
let fp = hex(ring::digest::digest(&ring::digest::SHA256, der).as_ref());
let fp = hex(aws_lc_rs::digest::digest(&aws_lc_rs::digest::SHA256, der).as_ref());
if !pins.iter().any(|p| p.eq_ignore_ascii_case(&fp)) {
return Err(format!(
"installer signing-leaf fingerprint {fp} matches none of the manifest's \
+6 -7
View File
@@ -22,16 +22,15 @@ anyhow = "1"
[target.'cfg(any(windows, target_os = "linux"))'.dependencies]
serde = { version = "1", features = ["derive"] }
serde_json = "1"
# Loopback HTTPS poll of GET /api/v1/local/summary. Same sync ureq + rustls(ring) stack and
# custom-verifier pattern as the Linux client's library fetch (crates/pf-client-core/src/library.rs)
# but ring-only (no default aws-lc-rs provider: it needs a C toolchain per target and the agent
# pins the ring provider explicitly anyway).
# Loopback HTTPS poll of GET /api/v1/local/summary. Same sync ureq + rustls stack and
# custom-verifier pattern as the Linux client's library fetch (crates/pf-client-core/src/library.rs),
# on the same aws-lc-rs backend as the rest of the tree (the agent pins the provider explicitly).
ureq = { version = "2", default-features = false, features = ["tls"] }
rustls = { version = "0.23", default-features = false, features = ["ring", "logging", "std", "tls12"] }
rustls = { version = "0.23", default-features = false, features = ["aws_lc_rs", "prefer-post-quantum", "logging", "std", "tls12"] }
# The one shared cert-fingerprint pin verifier (`punktfunk_core::tls::PinVerify`) + fingerprint
# hash, instead of the tray hand-rolling its own copy on a trust boundary. The light `tls` feature
# is rustls + sha2 only (no QUIC runtime / tokio), so this stays a lean helper; core is a pure-Rust
# leaf (no C toolchain), unlike the host dependency ruled out above.
# is rustls + sha2 only (no QUIC runtime / tokio), so this stays a lean helper — much smaller than
# the host dependency ruled out above, though rustls's aws-lc-rs backend does mean a C compiler.
punktfunk-core = { path = "../punktfunk-core", default-features = false, features = ["tls"] }
[target.'cfg(windows)'.dependencies]
+4
View File
@@ -79,6 +79,10 @@ fn parse_args() -> anyhow::Result<Args> {
}
fn main() -> anyhow::Result<()> {
// punktfunk-core is a Windows/Linux-only dependency here (the macOS build is a stub), so the
// provider install follows the same cfg as `run`.
#[cfg(any(windows, target_os = "linux"))]
punktfunk_core::tls::install_default_provider();
let args = parse_args()?;
run(args)
}
+2 -2
View File
@@ -310,10 +310,10 @@ pub fn punktfunk_config_dir() -> Option<std::path::PathBuf> {
None
}
/// A sync HTTPS agent over the same rustls(ring) stack the rest of the workspace uses, with a
/// A sync HTTPS agent over the same rustls(aws-lc-rs) stack the rest of the workspace uses, with a
/// pin-or-accept-any verifier (the Linux client's `PinVerify` pattern, `library.rs`).
fn agent(pin: Option<[u8; 32]>) -> ureq::Agent {
let provider = Arc::new(rustls::crypto::ring::default_provider());
let provider = Arc::new(rustls::crypto::aws_lc_rs::default_provider());
let cfg = rustls::ClientConfig::builder_with_provider(provider)
.with_safe_default_protocol_versions()
.expect("rustls default protocol versions")