fix: republished crypto conditionally

crates/shadowsocks/Cargo.toml

@@ -22,26 +22,33 @@ hickory-dns = ["hickory-resolver", "arc-swap", "notify"]
 # Hickory-DNS was renamed from Trust-DNS, keep compatibility.
 trust-dns = ["hickory-dns"]
 
+# Enable cryptography features.
+crypto = ["shadowsocks-crypto"]
+
 # Enable Stream Cipher Protocol
 # WARN: Stream Cipher Protocol is proved to be insecure
 # https://github.com/shadowsocks/shadowsocks-rust/issues/373
 # Users should always avoid using these ciphers in practice
-stream-cipher = ["shadowsocks-crypto", "shadowsocks-crypto/v1-stream"]
+stream-cipher = ["crypto", "shadowsocks-crypto/v1-stream"]
 
 # Enable extra AEAD ciphers
 # WARN: These non-standard AEAD ciphers are not officially supported by shadowsocks community
-aead-cipher-extra = ["shadowsocks-crypto", "shadowsocks-crypto/v1-aead-extra"]
+aead-cipher-extra = ["crypto", "shadowsocks-crypto/v1-aead-extra"]
 
 # Enable AEAD 2022
 aead-cipher-2022 = [
-    "shadowsocks-crypto",
+    "crypto",
     "shadowsocks-crypto/v2",
     "rand/small_rng",
     "aes",
     "lru_time_cache",
 ]
 # Enable AEAD 2022 with extra ciphers
-aead-cipher-2022-extra = ["aead-cipher-2022", "shadowsocks-crypto/v2-extra"]
+aead-cipher-2022-extra = [
+    "crypto",
+    "aead-cipher-2022",
+    "shadowsocks-crypto/v2-extra",
+]
 
 # Enable detection against replay attack
 security-replay-attack-detect = ["bloomfilter"]

crates/shadowsocks/src/lib.rs

@@ -11,6 +11,7 @@ pub use self::{
     },
 };
 
+#[cfg(feature = "crypto")]
 pub use shadowsocks_crypto as crypto;
 
 pub mod config;