[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_rdrand.c b/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_rdrand.c
new file mode 100644
index 0000000..9dceb16
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/engine/eng_rdrand.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2011-2018 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/opensslconf.h>
+
+#include <stdio.h>
+#include <string.h>
+#include "crypto/engine.h"
+#include <openssl/rand.h>
+#include <openssl/err.h>
+#include <openssl/crypto.h>
+
+#if (defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
+ defined(__x86_64) || defined(__x86_64__) || \
+ defined(_M_AMD64) || defined (_M_X64)) && defined(OPENSSL_CPUID_OBJ)
+
+size_t OPENSSL_ia32_rdrand_bytes(unsigned char *buf, size_t len);
+
+static int get_random_bytes(unsigned char *buf, int num)
+{
+ if (num < 0) {
+ return 0;
+ }
+
+ return (size_t)num == OPENSSL_ia32_rdrand_bytes(buf, (size_t)num);
+}
+
+static int random_status(void)
+{
+ return 1;
+}
+
+static RAND_METHOD rdrand_meth = {
+ NULL, /* seed */
+ get_random_bytes,
+ NULL, /* cleanup */
+ NULL, /* add */
+ get_random_bytes,
+ random_status,
+};
+
+static int rdrand_init(ENGINE *e)
+{
+ return 1;
+}
+
+static const char *engine_e_rdrand_id = "rdrand";
+static const char *engine_e_rdrand_name = "Intel RDRAND engine";
+
+static int bind_helper(ENGINE *e)
+{
+ if (!ENGINE_set_id(e, engine_e_rdrand_id) ||
+ !ENGINE_set_name(e, engine_e_rdrand_name) ||
+ !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) ||
+ !ENGINE_set_init_function(e, rdrand_init) ||
+ !ENGINE_set_RAND(e, &rdrand_meth))
+ return 0;
+
+ return 1;
+}
+
+static ENGINE *ENGINE_rdrand(void)
+{
+ ENGINE *ret = ENGINE_new();
+ if (ret == NULL)
+ return NULL;
+ if (!bind_helper(ret)) {
+ ENGINE_free(ret);
+ return NULL;
+ }
+ return ret;
+}
+
+void engine_load_rdrand_int(void)
+{
+ extern unsigned int OPENSSL_ia32cap_P[];
+
+ if (OPENSSL_ia32cap_P[1] & (1 << (62 - 32))) {
+ ENGINE *toadd = ENGINE_rdrand();
+ if (!toadd)
+ return;
+ ENGINE_add(toadd);
+ ENGINE_free(toadd);
+ ERR_clear_error();
+ }
+}
+#else
+void engine_load_rdrand_int(void)
+{
+}
+#endif