remove sodiumoxide resolver

it has been marked deprecated since 0.9,
as the crate is no longer maintained.

Cargo.toml

@@ -31,8 +31,6 @@ default-resolver-crypto = [
 nightly = ["blake2/simd_opt", "subtle/nightly"]
 ring-resolver = ["ring", "std"]
 ring-accelerated = ["ring-resolver", "default-resolver", "std"]
-libsodium-resolver = ["sodiumoxide", "byteorder", "std"]
-libsodium-accelerated = ["libsodium-resolver", "default-resolver", "std"]
 vector-tests = []
 hfs = []
 risky-raw-split = []
@@ -95,8 +93,6 @@ pqcrypto-traits = { version = "0.3", optional = true }
 
 # ring crypto provider
 ring = { version = "0.17", optional = true }
-# libsodium crypto provider
-sodiumoxide = { version = "0.2", optional = true, default-features = false }
 byteorder = { version = "1.4", optional = true, default-features = false }
 
 [dev-dependencies]
@@ -114,7 +110,7 @@ rand = "0.8"
 rustc_version = "0.4"
 
 [package.metadata.docs.rs]
-features = ["ring-resolver", "libsodium-resolver"]
+features = ["ring-resolver"]
 all-features = false
 no-default-features = false
 

ci-tests.sh

@@ -17,5 +17,3 @@ cargo test $TARGET --no-default-features --features "default-resolver use-curve2
 cargo test $TARGET --no-default-features --features "default-resolver use-curve25519 use-sha2 use-chacha20poly1305"
 cargo test $TARGET --features "ring-resolver $COMMON_FEATURES"
 cargo test $TARGET --features "ring-accelerated $COMMON_FEATURES"
-cargo test $TARGET --features "libsodium-resolver $COMMON_FEATURES"
-cargo test $TARGET --features "libsodium-accelerated $COMMON_FEATURES"

src/builder.rs

@@ -75,10 +75,7 @@ impl Debug for Builder<'_> {
 
 impl<'builder> Builder<'builder> {
     /// Create a Builder with the default crypto resolver.
-    #[cfg(all(
-        feature = "default-resolver",
-        not(any(feature = "ring-accelerated", feature = "libsodium-accelerated"))
-    ))]
+    #[cfg(all(feature = "default-resolver", not(feature = "ring-accelerated")))]
     #[must_use]
     pub fn new(params: NoiseParams) -> Self {
         use crate::resolvers::DefaultResolver;
@@ -87,7 +84,7 @@ impl<'builder> Builder<'builder> {
     }
 
     /// Create a Builder with the ring resolver and default resolver as a fallback.
-    #[cfg(all(not(feature = "libsodium-accelerated"), feature = "ring-accelerated"))]
+    #[cfg(feature = "ring-accelerated")]
     pub fn new(params: NoiseParams) -> Self {
         use crate::resolvers::{DefaultResolver, FallbackResolver, RingResolver};
 
@@ -97,17 +94,6 @@ impl<'builder> Builder<'builder> {
         )
     }
 
-    /// Create a Builder with the ring resolver and default resolver as a fallback.
-    #[cfg(all(not(feature = "ring-accelerated"), feature = "libsodium-accelerated"))]
-    pub fn new(params: NoiseParams) -> Self {
-        use crate::resolvers::{DefaultResolver, FallbackResolver, SodiumResolver};
-
-        Self::with_resolver(
-            params,
-            Box::new(FallbackResolver::new(Box::new(SodiumResolver), Box::new(DefaultResolver))),
-        )
-    }
-
     /// Create a Builder with a custom crypto resolver.
     #[must_use]
     pub fn with_resolver(params: NoiseParams, resolver: BoxedCryptoResolver) -> Self {