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diff --git a/docs/RUSTLS.md b/docs/RUSTLS.md new file mode 100644 index 000000000..39d96ab60 --- /dev/null +++ b/docs/RUSTLS.md @@ -0,0 +1,26 @@ +# Rustls + +[Rustls is a TLS backend written in Rust.](https://docs.rs/rustls/). Curl can +be built to use it as an alternative to OpenSSL or other TLS backends. We use +the [crustls C bindings](https://github.com/abetterinternet/crustls/). This +version of curl depends on version v0.4.0 of crustls. + +# Building with rustls + +First, [install Rust](https://rustup.rs/). + +Next, check out, build, and install the appropriate version of crustls: + + % cargo install cbindgen + % git clone https://github.com/abetterinternet/crustls/ -b v0.4.0 + % cd crustls + % make + % make DESTDIR=${HOME}/crustls-built/ install + +Now configure and build curl with rustls: + + % git clone https://github.com/curl/curl + % cd curl + % ./buildconf + % ./configure --without-ssl --with-rustls=${HOME}/crustls-built + % make |