+# else
+ return 0;
+# endif
+}
+
+/*
+ * Set the callback for generating temporary DH keys.
+ * ctx: the SSL context.
+ * dh: the callback
+ */
+# if !defined(OPENSSL_NO_DH)
+void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
+ DH *(*dh) (SSL *ssl, int is_export,
+ int keylength))
+{
+ SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
+}
+
+void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export,
+ int keylength))
+{
+ SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);