Revert "Revert "impl Clone for PKey and X509 by using their 'references' member""

1 files changed, 14 insertions, 0 deletions

diff --git a/openssl/src/crypto/pkey.rs b/openssl/src/crypto/pkey.rs
index 7cfa1288..e556730d 100644
--- a/openssl/src/crypto/pkey.rs
+++ b/openssl/src/crypto/pkey.rs
@@ -53,6 +53,10 @@ fn openssl_hash_nid(hash: HashType) -> c_int {
     }
 }
 
+extern "C" {
+    fn rust_EVP_PKEY_clone(pkey: *mut ffi::EVP_PKEY);
+}
+
 pub struct PKey {
     evp: *mut ffi::EVP_PKEY,
     parts: Parts,
@@ -585,6 +589,16 @@ impl Drop for PKey {
     }
 }
 
+impl Clone for PKey {
+    fn clone(&self) -> Self {
+        unsafe {
+            rust_EVP_PKEY_clone(self.evp);
+        }
+
+        PKey::from_handle(self.evp, self.parts)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use std::path::Path;