zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/rc4/rc4_skey.c b/ap/lib/libssl/openssl-1.1.1o/crypto/rc4/rc4_skey.c
new file mode 100644
index 0000000..100eb79
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/rc4/rc4_skey.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 1995-2016 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 <openssl/rc4.h>
+#include "rc4_local.h"
+#include <openssl/opensslv.h>
+
+const char *RC4_options(void)
+{
+ if (sizeof(RC4_INT) == 1)
+ return "rc4(char)";
+ else
+ return "rc4(int)";
+}
+
+/*-
+ * RC4 as implemented from a posting from
+ * Newsgroups: sci.crypt
+ * Subject: RC4 Algorithm revealed.
+ * Message-ID: <sternCvKL4B.Hyy@netcom.com>
+ * Date: Wed, 14 Sep 1994 06:35:31 GMT
+ */
+
+void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data)
+{
+ register RC4_INT tmp;
+ register int id1, id2;
+ register RC4_INT *d;
+ unsigned int i;
+
+ d = &(key->data[0]);
+ key->x = 0;
+ key->y = 0;
+ id1 = id2 = 0;
+
+#define SK_LOOP(d,n) { \
+ tmp=d[(n)]; \
+ id2 = (data[id1] + tmp + id2) & 0xff; \
+ if (++id1 == len) id1=0; \
+ d[(n)]=d[id2]; \
+ d[id2]=tmp; }
+
+ for (i = 0; i < 256; i++)
+ d[i] = i;
+ for (i = 0; i < 256; i += 4) {
+ SK_LOOP(d, i + 0);
+ SK_LOOP(d, i + 1);
+ SK_LOOP(d, i + 2);
+ SK_LOOP(d, i + 3);
+ }
+}