Convert ECParameters_dup() from a macro that uses ASN1_dup_of() into an

actual function. This removes the last ASN1_dup_of usage from the tree.

Feedback from doug@ and miod@

1 files changed, 17 insertions, 1 deletions

diff --git a/src/lib/libcrypto/ec/ec_lib.c b/src/lib/libcrypto/ec/ec_lib.c
index c28ab18fc0..2b5abbd4bb 100644
--- a/src/lib/libcrypto/ec/ec_lib.c
+++ b/src/lib/libcrypto/ec/ec_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec_lib.c,v 1.19 2015/09/10 15:56:25 jsing Exp $ */
+/* $OpenBSD: ec_lib.c,v 1.20 2015/10/13 15:25:18 jsing Exp $ */
 /*
  * Originally written by Bodo Moeller for the OpenSSL project.
  */
@@ -1102,3 +1102,19 @@ EC_GROUP_have_precompute_mult(const EC_GROUP * group)
                 return 0;       /* cannot tell whether precomputation has
                                  * been performed */
 }
+
+EC_KEY *
+ECParameters_dup(EC_KEY *key)
+{
+        unsigned char *p = NULL;
+        EC_KEY *k = NULL;
+        int len;
+
+        if (key == NULL)
+                return (NULL);
+
+        if ((len = i2d_ECParameters(key, &p)) > 0)
+                k = d2i_ECParameters(NULL, (const unsigned char **)&p, len);
+
+        return (k);     
+}