diff --git a/openssl/src/dh.rs b/openssl/src/dh.rs
index 37663ac0..64494f95 100644
--- a/openssl/src/dh.rs
+++ b/openssl/src/dh.rs
@@ -4,7 +4,6 @@ use std::mem;
 use std::ptr;
 
 use {cvt, cvt_p, init};
-use bio::MemBioSlice;
 use bn::BigNum;
 use types::OpenSslTypeRef;
 
@@ -26,19 +25,7 @@ impl Dh {
         }
     }
 
-    /// Reads Diffie-Hellman parameters from PEM.
-    pub fn from_pem(buf: &[u8]) -> Result<Dh, ErrorStack> {
-        unsafe {
-            init();
-            let mem_bio = try!(MemBioSlice::new(buf));
-            cvt_p(ffi::PEM_read_bio_DHparams(mem_bio.as_ptr(),
-                                             ptr::null_mut(),
-                                             None,
-                                             ptr::null_mut()))
-                .map(Dh)
-        }
-    }
-
+    from_pem!(Dh, ffi::PEM_read_bio_DHparams);
     from_der!(Dh, ffi::d2i_DHparams);
 
     /// Requires the `v102` or `v110` features and OpenSSL 1.0.2 or OpenSSL 1.1.0.
diff --git a/openssl/src/dsa.rs b/openssl/src/dsa.rs
index 478272c8..fbef2c18 100644
--- a/openssl/src/dsa.rs
+++ b/openssl/src/dsa.rs
@@ -97,6 +97,7 @@ impl Dsa {
 
     private_key_from_pem!(Dsa, ffi::PEM_read_bio_DSAPrivateKey);
     private_key_from_der!(Dsa, ffi::d2i_DSAPrivateKey);
+    public_key_from_pem!(Dsa, ffi::PEM_read_bio_DSA_PUBKEY);
     public_key_from_der!(Dsa, ffi::d2i_DSAPublicKey);
 
     #[deprecated(since = "0.9.2", note = "use private_key_from_pem_callback")]
@@ -116,20 +117,6 @@ impl Dsa {
             Ok(Dsa(dsa))
         }
     }
-
-    /// Reads a DSA public key from PEM formatted data.
-    pub fn public_key_from_pem(buf: &[u8]) -> Result<Dsa, ErrorStack> {
-        ffi::init();
-
-        let mem_bio = try!(MemBioSlice::new(buf));
-        unsafe {
-            let dsa = try!(cvt_p(ffi::PEM_read_bio_DSA_PUBKEY(mem_bio.as_ptr(),
-                                                              ptr::null_mut(),
-                                                              None,
-                                                              ptr::null_mut())));
-            Ok(Dsa(dsa))
-        }
-    }
 }
 
 impl fmt::Debug for Dsa {
diff --git a/openssl/src/macros.rs b/openssl/src/macros.rs
index a57f36eb..b36e8319 100644
--- a/openssl/src/macros.rs
+++ b/openssl/src/macros.rs
@@ -42,15 +42,8 @@ macro_rules! type_ {
 
 macro_rules! private_key_from_pem {
     ($t:ident, $f:path) => {
-        /// Deserializes a PEM-formatted private key.
-        pub fn private_key_from_pem(pem: &[u8]) -> Result<$t, ::error::ErrorStack> {
-            unsafe {
-                ::init();
-                let bio = try!(::bio::MemBioSlice::new(pem));
-                cvt_p($f(bio.as_ptr(), ::std::ptr::null_mut(), None, ::std::ptr::null_mut()))
-                    .map($t)
-            }
-        }
+        from_pem_inner!(/// Deserializes a PEM-formatted private key.
+            private_key_from_pem, $t, $f);
 
         /// Deserializes a PEM-formatted private key, using the supplied password if the key is
         /// encrypted.
@@ -232,3 +225,31 @@ macro_rules! public_key_from_der {
             public_key_from_der, $t, $f);
     }
 }
+
+macro_rules! from_pem_inner {
+    (#[$m:meta] $n:ident, $t:ident, $f:path) => {
+        #[$m]
+        pub fn $n(pem: &[u8]) -> Result<$t, ::error::ErrorStack> {
+            unsafe {
+                ::init();
+                let bio = try!(::bio::MemBioSlice::new(pem));
+                cvt_p($f(bio.as_ptr(), ::std::ptr::null_mut(), None, ::std::ptr::null_mut()))
+                    .map($t)
+            }
+        }
+    }
+}
+
+macro_rules! public_key_from_pem {
+    ($t:ident, $f:path) => {
+        from_pem_inner!(/// Deserializes a public key from PEM-formatted data.
+            public_key_from_pem, $t, $f);
+    }
+}
+
+macro_rules! from_pem {
+    ($t:ident, $f:path) => {
+        from_pem_inner!(/// Deserializes a value from PEM-formatted data.
+            from_pem, $t, $f);
+    }
+}
diff --git a/openssl/src/pkey.rs b/openssl/src/pkey.rs
index 05df2f4b..b5ccd3cc 100644
--- a/openssl/src/pkey.rs
+++ b/openssl/src/pkey.rs
@@ -137,6 +137,7 @@ impl PKey {
     }
 
     private_key_from_pem!(PKey, ffi::PEM_read_bio_PrivateKey);
+    public_key_from_pem!(PKey, ffi::PEM_read_bio_PUBKEY);
 
     #[deprecated(since = "0.9.2", note = "use private_key_from_pem_callback")]
     pub fn private_key_from_pem_cb<F>(buf: &[u8], pass_cb: F) -> Result<PKey, ErrorStack>
@@ -153,19 +154,6 @@ impl PKey {
             Ok(PKey::from_ptr(evp))
         }
     }
-
-    /// Reads a public key from PEM.
-    pub fn public_key_from_pem(buf: &[u8]) -> Result<PKey, ErrorStack> {
-        ffi::init();
-        let mem_bio = try!(MemBioSlice::new(buf));
-        unsafe {
-            let evp = try!(cvt_p(ffi::PEM_read_bio_PUBKEY(mem_bio.as_ptr(),
-                                                          ptr::null_mut(),
-                                                          None,
-                                                          ptr::null_mut())));
-            Ok(PKey::from_ptr(evp))
-        }
-    }
 }
 
 #[cfg(test)]
diff --git a/openssl/src/rsa.rs b/openssl/src/rsa.rs
index 5090f6ad..68fc9584 100644
--- a/openssl/src/rsa.rs
+++ b/openssl/src/rsa.rs
@@ -251,6 +251,7 @@ impl Rsa {
 
     private_key_from_pem!(Rsa, ffi::PEM_read_bio_RSAPrivateKey);
     private_key_from_der!(Rsa, ffi::d2i_RSAPrivateKey);
+    public_key_from_pem!(Rsa, ffi::PEM_read_bio_RSA_PUBKEY);
     public_key_from_der!(Rsa, ffi::d2i_RSA_PUBKEY);
 
     #[deprecated(since = "0.9.2", note = "use private_key_from_pem_callback")]
@@ -270,19 +271,6 @@ impl Rsa {
             Ok(Rsa(rsa))
         }
     }
-
-    /// Reads an RSA public key from PEM formatted data.
-    pub fn public_key_from_pem(buf: &[u8]) -> Result<Rsa, ErrorStack> {
-        ffi::init();
-        let mem_bio = try!(MemBioSlice::new(buf));
-        unsafe {
-            let rsa = try!(cvt_p(ffi::PEM_read_bio_RSA_PUBKEY(mem_bio.as_ptr(),
-                                                              ptr::null_mut(),
-                                                              None,
-                                                              ptr::null_mut())));
-            Ok(Rsa(rsa))
-        }
-    }
 }
 
 impl fmt::Debug for Rsa {
diff --git a/openssl/src/x509/mod.rs b/openssl/src/x509/mod.rs
index 8a739ec6..68652f8e 100644
--- a/openssl/src/x509/mod.rs
+++ b/openssl/src/x509/mod.rs
@@ -431,19 +431,8 @@ impl ToOwned for X509Ref {
 }
 
 impl X509 {
+    from_pem!(X509, ffi::PEM_read_bio_X509);
     from_der!(X509, ffi::d2i_X509);
-
-    /// Reads a certificate from PEM.
-    pub fn from_pem(buf: &[u8]) -> Result<X509, ErrorStack> {
-        let mem_bio = try!(MemBioSlice::new(buf));
-        unsafe {
-            let handle = try!(cvt_p(ffi::PEM_read_bio_X509(mem_bio.as_ptr(),
-                                                           ptr::null_mut(),
-                                                           None,
-                                                           ptr::null_mut())));
-            Ok(X509::from_ptr(handle))
-        }
-    }
 }
 
 impl Clone for X509 {