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diff --git a/lib/openssl/crypto/dh/dh_rfc5114.c b/lib/openssl/crypto/dh/dh_rfc5114.c
new file mode 100644
index 0000000..c4a2195
--- /dev/null
+++ b/lib/openssl/crypto/dh/dh_rfc5114.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include "dh_locl.h"
+#include <openssl/bn.h>
+#include "internal/bn_dh.h"
+
+/*
+ * Macro to make a DH structure from BIGNUM data. NB: although just copying
+ * the BIGNUM static pointers would be more efficient, we can't do that
+ * because they get wiped using BN_clear_free() when DH_free() is called.
+ */
+
+#define make_dh(x) \
+DH *DH_get_##x(void) \
+{ \
+    DH *dh = DH_new(); \
+\
+    if (dh == NULL) \
+        return NULL; \
+    dh->p = BN_dup(&_bignum_dh##x##_p); \
+    dh->g = BN_dup(&_bignum_dh##x##_g); \
+    dh->q = BN_dup(&_bignum_dh##x##_q); \
+    if (dh->p == NULL || dh->q == NULL || dh->g == NULL) {\
+        DH_free(dh); \
+        return NULL; \
+    } \
+    return dh; \
+}
+
+make_dh(1024_160)
+make_dh(2048_224)
+make_dh(2048_256)