1 files changed, 30 insertions, 0 deletions
diff --git a/vendor/openssl-sys/src/handwritten/hmac.rs b/vendor/openssl-sys/src/handwritten/hmac.rs
new file mode 100644
index 000000000..b52d63fb1
--- /dev/null
+++ b/vendor/openssl-sys/src/handwritten/hmac.rs
@@ -0,0 +1,30 @@
+use libc::*;
+
+use super::super::*;
+
+cfg_if! {
+    if #[cfg(any(ossl110, libressl350))] {
+        extern "C" {
+            pub fn HMAC_CTX_new() -> *mut HMAC_CTX;
+            pub fn HMAC_CTX_free(ctx: *mut HMAC_CTX);
+        }
+    } else {
+        extern "C" {
+            pub fn HMAC_CTX_init(ctx: *mut HMAC_CTX);
+            pub fn HMAC_CTX_cleanup(ctx: *mut HMAC_CTX);
+        }
+    }
+}
+
+extern "C" {
+    pub fn HMAC_Init_ex(
+        ctx: *mut HMAC_CTX,
+        key: *const c_void,
+        len: c_int,
+        md: *const EVP_MD,
+        impl_: *mut ENGINE,
+    ) -> c_int;
+    pub fn HMAC_Update(ctx: *mut HMAC_CTX, data: *const c_uchar, len: size_t) -> c_int;
+    pub fn HMAC_Final(ctx: *mut HMAC_CTX, md: *mut c_uchar, len: *mut c_uint) -> c_int;
+    pub fn HMAC_CTX_copy(dst: *mut HMAC_CTX, src: *mut HMAC_CTX) -> c_int;
+}