Use namespaced/weak features; MSRV 1.60 (#97)

.github/workflows/ring-compat.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.57.0 # MSRV
+          - 1.60.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v3

Cargo.toml

@@ -13,7 +13,7 @@ repository = "https://github.com/RustCrypto/ring-compat"
 categories = ["cryptography", "no-std"]
 keywords = ["aead", "digest", "crypto", "ring", "signature"]
 edition = "2021"
-rust-version = "1.57"
+rust-version = "1.60"
 
 [dependencies]
 generic-array = { version = "0.14", default-features = false }
@@ -27,16 +27,17 @@ ecdsa = { version = "0.14", optional = true, default-features = false }
 ed25519 = { version = "1.4", optional = true, default-features = false }
 p256 = { version = "0.11", optional = true, default-features = false, features = ["ecdsa-core"] }
 p384 = { version = "0.11", optional = true, default-features = false, features = ["ecdsa-core"] }
+signature = { version = "1", optional = true, default-features = false }
 
 [dev-dependencies]
 hex-literal = "0.3"
 digest = { version = "0.10", features = ["dev"] }
 
 [features]
 default = ["aead", "alloc", "digest", "signature"]
-alloc = ["aead/alloc"]
-signature = ["ecdsa", "ed25519", "p256", "p384"]
-std = ["digest/std", "ecdsa/std", "ed25519/std"]
+alloc = ["aead?/alloc"]
+signature = ["dep:ecdsa", "dep:ed25519", "dep:p256", "dep:p384", "dep:signature"]
+std = ["digest?/std", "ecdsa?/std", "ed25519?/std"]
 
 [package.metadata.docs.rs]
 all-features = true

README.md

@@ -15,7 +15,7 @@ algorithm implementations from [*ring*].
 
 ## Minimum Supported Rust Version
 
-**Rust 1.57** or higher.
+**Rust 1.60** or higher.
 
 In the future the minimum supported Rust version can be changed, but it will be
 done with a minor version bump.
@@ -43,7 +43,7 @@ dual licensed as above, without any additional terms or conditions.
 [docs-link]: https://docs.rs/ring-compat/
 [docs-link]: https://docs.rs/ring-compat
 [ring-image]: https://img.shields.io/badge/ring-0.16-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.57+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.60+-blue.svg
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260488-ring-compat

src/signature.rs

@@ -3,4 +3,4 @@
 pub mod ecdsa;
 pub mod ed25519;
 
-pub use ::ecdsa::signature::{Error, Signature, Signer, Verifier};
+pub use ::signature::{Error, Signature, Signer, Verifier};