diff --git a/openssl-sys/src/evp.rs b/openssl-sys/src/evp.rs
index e8276afa..87469e0a 100644
--- a/openssl-sys/src/evp.rs
+++ b/openssl-sys/src/evp.rs
@@ -23,6 +23,7 @@ pub unsafe fn EVP_get_digestbynid(type_: c_int) -> *const EVP_MD {
 
 extern "C" {
     pub fn EVP_MD_size(md: *const EVP_MD) -> c_int;
+    pub fn EVP_MD_type(md: *const EVP_MD) -> c_int;
 
     #[cfg(any(ossl110, libressl273))]
     pub fn EVP_CIPHER_key_length(cipher: *const EVP_CIPHER) -> c_int;
diff --git a/openssl/src/hash.rs b/openssl/src/hash.rs
index 52d2ca09..5025de19 100644
--- a/openssl/src/hash.rs
+++ b/openssl/src/hash.rs
@@ -106,6 +106,11 @@ impl MessageDigest {
     pub fn size(&self) -> usize {
         unsafe { ffi::EVP_MD_size(self.0) as usize }
     }
+
+    /// The name of the digest
+    pub fn type_(&self) -> Nid {
+        Nid::from_raw(unsafe { ffi::EVP_MD_type(self.0) })
+    }
 }
 
 unsafe impl Sync for MessageDigest {}