1 files changed, 11 insertions, 1 deletions

diff --git a/src/lib/libcrypto/evp/e_aes.c b/src/lib/libcrypto/evp/e_aes.c
index a1e94c8ff6..8fddeaaa40 100644
--- a/src/lib/libcrypto/evp/e_aes.c
+++ b/src/lib/libcrypto/evp/e_aes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_aes.c,v 1.38 2019/05/10 18:41:17 tb Exp $ */
+/* $OpenBSD: e_aes.c,v 1.39 2019/05/12 15:52:46 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 2001-2011 The OpenSSL Project.  All rights reserved.
  *
@@ -1243,7 +1243,17 @@ aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
                 return 1;
 
         case EVP_CTRL_COPY:
+            {
+                EVP_CIPHER_CTX *out = ptr;
+                EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
+
+                if (cctx->ccm.key) {
+                        if (cctx->ccm.key != &cctx->ks)
+                                return 0;
+                        cctx_out->ccm.key = &cctx_out->ks;
+                }
                 return 1;
+            }
 
         default:
                 return -1;