build(ai-gateway): add sha2 dep for key hashing

litellm-rust/Cargo.lock

@@ -571,6 +571,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
+ "sha2",
  "subtle",
  "tokio",
  "tokio-tungstenite",
@@ -1129,6 +1130,17 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "shlex"
 version = "2.0.1"

litellm-rust/Cargo.toml

@@ -20,6 +20,7 @@ rand = "0.8"
 reqwest = { version = "0.12", default-features = false, features = ["blocking", "json", "rustls-tls"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
+sha2 = "0.10"
 subtle = "2"
 thiserror = "2.0"
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "time"] }

litellm-rust/crates/ai-gateway/Cargo.toml

@@ -22,12 +22,13 @@ futures-util.workspace = true
 serde_json.workspace = true
 axum = { workspace = true, features = ["ws"], optional = true }
 serde = { workspace = true, optional = true }
+sha2 = { workspace = true, optional = true }
 subtle = { workspace = true, optional = true }
 pyo3 = { workspace = true, features = ["auto-initialize"], optional = true }
 
 [features]
 default = []
-server = ["dep:axum", "dep:subtle", "dep:serde"]
+server = ["dep:axum", "dep:subtle", "dep:serde", "dep:sha2"]
 # Build the gateway's config from the proxy YAML via an embedded Python
 # interpreter (links libpython; requires `litellm` importable at runtime).
 python-config = ["dep:pyo3"]