zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/des/ecb3_enc.c b/ap/lib/libssl/openssl-1.1.1o/crypto/des/ecb3_enc.c
new file mode 100644
index 0000000..7afa8ea
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/des/ecb3_enc.c
@@ -0,0 +1,33 @@
+/*
+ * 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 "des_local.h"
+
+void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
+ DES_key_schedule *ks1, DES_key_schedule *ks2,
+ DES_key_schedule *ks3, int enc)
+{
+ register DES_LONG l0, l1;
+ DES_LONG ll[2];
+ const unsigned char *in = &(*input)[0];
+ unsigned char *out = &(*output)[0];
+
+ c2l(in, l0);
+ c2l(in, l1);
+ ll[0] = l0;
+ ll[1] = l1;
+ if (enc)
+ DES_encrypt3(ll, ks1, ks2, ks3);
+ else
+ DES_decrypt3(ll, ks1, ks2, ks3);
+ l0 = ll[0];
+ l1 = ll[1];
+ l2c(l0, out);
+ l2c(l1, out);
+}