add feature flag kdf

RustCrypto · Jul 19, 2023 · 8622bfd · 8622bfd
1 parent ebe05c2
commit 8622bfd
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/pkcs12/Cargo.toml b/pkcs12/Cargo.toml
@@ -16,7 +16,7 @@ rust-version = "1.65"
 
 [dependencies]
 cfg-if = "1.0.0"
-digest = { version = "0.10.7", features=["alloc"] }
+digest = { version = "0.10.7", features=["alloc"], optional = true }
 zeroize = "1.6.0"
 
 [dev-dependencies]
@@ -28,3 +28,6 @@ whirlpool = "0.10.4"
 all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
+[features]
+kdf = ["dep:digest"]
+
diff --git a/pkcs12/src/lib.rs b/pkcs12/src/lib.rs
@@ -16,6 +16,9 @@
 
 //! TODO: complete PKCS#12 crate
 
+#[cfg(feature="kdf")]
 extern crate alloc;
 
+#[cfg(feature="kdf")]
 pub mod kdf;
+
diff --git a/pkcs12/tests/kdf.rs b/pkcs12/tests/kdf.rs
@@ -1,3 +1,4 @@
+#![cfg(feature="kdf")]
 /// Test cases for the key derivation functions.
 /// All test cases have been verified against openssl's method `PKCS12_key_gen_utf8`.
 /// See https://github.com/xemwebe/test_pkcs12_kdf for a sample program.