trillium_rustls/
crypto_provider.rs

1use futures_rustls::rustls::crypto::CryptoProvider;
2use std::sync::Arc;
3
4#[cfg(feature = "aws-lc-rs")]
5pub(crate) fn crypto_provider() -> Arc<CryptoProvider> {
6    #[cfg(any(feature = "ring", feature = "custom-crypto-provider"))]
7    log::error!("multiple crypto provider features enabled, choosing aws-lc-rs");
8
9    futures_rustls::rustls::crypto::aws_lc_rs::default_provider().into()
10}
11
12#[cfg(all(not(feature = "aws-lc-rs"), feature = "ring"))]
13pub(crate) fn crypto_provider() -> Arc<CryptoProvider> {
14    #[cfg(feature = "custom-crypto-provider")]
15    log::error!("multiple crypto provider features enabled, choosing ring");
16    futures_rustls::rustls::crypto::ring::default_provider().into()
17}
18
19#[cfg(all(
20    not(any(feature = "aws-lc-rs", feature = "ring")),
21    feature = "custom-crypto-provider"
22))]
23pub(crate) fn crypto_provider() -> Arc<CryptoProvider> {
24    CryptoProvider::get_default()
25        .expect(concat!(
26            "`custom-crypto-provider` feature was enabled, but no default crypto ",
27            "provider was found. Either configure a ClientConfig::builder_with_provider and pass",
28            "it to `trillium_rustls::RustlsConfig::new` or use `CryptoProvider::install_default`."
29        ))
30        .clone()
31}
32
33#[cfg(not(any(
34    feature = "ring",
35    feature = "aws-lc-rs",
36    feature = "custom-crypto-provider"
37)))]
38pub(crate) fn crypto_provider() -> Arc<CryptoProvider> {
39    compile_error!(
40        "\n\n`trillium-rustls` cannot compile without a crypto provider feature enabled.
41Please enable `ring`, `aws-lc-rs`, or `custom-crypto-provider`.
42
43To use ring or aws-lc-rs, nothing further is needed than enabling the feature.
44To use `custom-crypto-provider`, either configure a `ClientConfig::builder_with_provider` \
45and pass it to `trillium_rustls::RustlsConfig::new` or use \
46`CryptoProvider::install_default` before building the trillium_rustls::RustlsConfig::default().\n\n"
47    )
48}
trillium_rustls/crypto_provider.rs

trillium_rustls/
crypto_provider.rs
