1 files changed, 44 insertions, 0 deletions

diff --git a/src/lib/libcrypto/rand/rc4_rand.c b/src/lib/libcrypto/rand/rc4_rand.c
new file mode 100644
index 0000000000..ebfb241d53
--- /dev/null
+++ b/src/lib/libcrypto/rand/rc4_rand.c
@@ -0,0 +1,44 @@
+/*      $OpenBSD: rc4_rand.c,v 1.1 2014/04/15 16:52:50 miod Exp $       */
+
+/*
+ * Copyright (c) 2014 Miodrag Vallat.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+
+#include <openssl/rand.h>
+
+static int
+arc4_rand_bytes(unsigned char *buf, int num)
+{
+        if (num > 0)
+                arc4random_buf(buf, (size_t)num);
+
+        return 1;
+}
+
+static RAND_METHOD rand_arc4_meth = {
+        .seed = NULL,           /* no external seed allowed */
+        .bytes = arc4_rand_bytes,
+        .cleanup = NULL,        /* no cleanup necessary */
+        .add = NULL,            /* no external feed allowed */
+        .pseudorand = arc4_rand_bytes,
+        .status = NULL          /* no possible error condition */
+};
+
+RAND_METHOD *RAND_SSLeay(void)
+{
+        return &rand_arc4_meth;
+}