Provide EVP_PKEY_up_ref().

1 files changed, 8 insertions, 1 deletions

diff --git a/src/lib/libcrypto/evp/p_lib.c b/src/lib/libcrypto/evp/p_lib.c
index 0d4cd26d45..e001755ef1 100644
--- a/src/lib/libcrypto/evp/p_lib.c
+++ b/src/lib/libcrypto/evp/p_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: p_lib.c,v 1.17 2017/01/29 17:49:23 beck Exp $ */
+/* $OpenBSD: p_lib.c,v 1.18 2018/02/14 16:40:42 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -204,6 +204,13 @@ EVP_PKEY_new(void)
         return (ret);
 }
 
+int
+EVP_PKEY_up_ref(EVP_PKEY *pkey)
+{
+        int refs = CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+        return ((refs > 1) ? 1 : 0);
+}
+
 /* Setup a public key ASN1 method and ENGINE from a NID or a string.
  * If pkey is NULL just return 1 or 0 if the algorithm exists.
  */