1 files changed, 26 insertions, 0 deletions
diff --git a/vendor/openssl-sys/src/handwritten/kdf.rs b/vendor/openssl-sys/src/handwritten/kdf.rs
new file mode 100644
index 000000000..0f14b63a9
--- /dev/null
+++ b/vendor/openssl-sys/src/handwritten/kdf.rs
@@ -0,0 +1,26 @@
+use super::super::*;
+use libc::*;
+
+cfg_if! {
+    if #[cfg(ossl300)] {
+        extern "C" {
+            pub fn EVP_PKEY_CTX_set_hkdf_mode(ctx: *mut EVP_PKEY_CTX, mode: c_int) -> c_int;
+            pub fn EVP_PKEY_CTX_set_hkdf_md(ctx: *mut EVP_PKEY_CTX, md: *const EVP_MD) -> c_int;
+            pub fn EVP_PKEY_CTX_set1_hkdf_salt(
+                ctx: *mut EVP_PKEY_CTX,
+                salt: *const u8,
+                saltlen: c_int,
+            ) -> c_int;
+            pub fn EVP_PKEY_CTX_set1_hkdf_key(
+                ctx: *mut EVP_PKEY_CTX,
+                key: *const u8,
+                keylen: c_int,
+            ) -> c_int;
+            pub fn EVP_PKEY_CTX_add1_hkdf_info(
+                ctx: *mut EVP_PKEY_CTX,
+                info: *const u8,
+                infolen: c_int,
+            ) -> c_int;
+        }
+    }
+}