zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/des/xcbc_enc.c b/ap/lib/libssl/openssl-1.1.1o/crypto/des/xcbc_enc.c
new file mode 100644
index 0000000..fb3fd52
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/des/xcbc_enc.c
@@ -0,0 +1,103 @@
+/*
+ * 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"
+
+/* RSA's DESX */
+
+void DES_xcbc_encrypt(const unsigned char *in, unsigned char *out,
+ long length, DES_key_schedule *schedule,
+ DES_cblock *ivec, const_DES_cblock *inw,
+ const_DES_cblock *outw, int enc)
+{
+ register DES_LONG tin0, tin1;
+ register DES_LONG tout0, tout1, xor0, xor1;
+ register DES_LONG inW0, inW1, outW0, outW1;
+ register const unsigned char *in2;
+ register long l = length;
+ DES_LONG tin[2];
+ unsigned char *iv;
+
+ in2 = &(*inw)[0];
+ c2l(in2, inW0);
+ c2l(in2, inW1);
+ in2 = &(*outw)[0];
+ c2l(in2, outW0);
+ c2l(in2, outW1);
+
+ iv = &(*ivec)[0];
+
+ if (enc) {
+ c2l(iv, tout0);
+ c2l(iv, tout1);
+ for (l -= 8; l >= 0; l -= 8) {
+ c2l(in, tin0);
+ c2l(in, tin1);
+ tin0 ^= tout0 ^ inW0;
+ tin[0] = tin0;
+ tin1 ^= tout1 ^ inW1;
+ tin[1] = tin1;
+ DES_encrypt1(tin, schedule, DES_ENCRYPT);
+ tout0 = tin[0] ^ outW0;
+ l2c(tout0, out);
+ tout1 = tin[1] ^ outW1;
+ l2c(tout1, out);
+ }
+ if (l != -8) {
+ c2ln(in, tin0, tin1, l + 8);
+ tin0 ^= tout0 ^ inW0;
+ tin[0] = tin0;
+ tin1 ^= tout1 ^ inW1;
+ tin[1] = tin1;
+ DES_encrypt1(tin, schedule, DES_ENCRYPT);
+ tout0 = tin[0] ^ outW0;
+ l2c(tout0, out);
+ tout1 = tin[1] ^ outW1;
+ l2c(tout1, out);
+ }
+ iv = &(*ivec)[0];
+ l2c(tout0, iv);
+ l2c(tout1, iv);
+ } else {
+ c2l(iv, xor0);
+ c2l(iv, xor1);
+ for (l -= 8; l > 0; l -= 8) {
+ c2l(in, tin0);
+ tin[0] = tin0 ^ outW0;
+ c2l(in, tin1);
+ tin[1] = tin1 ^ outW1;
+ DES_encrypt1(tin, schedule, DES_DECRYPT);
+ tout0 = tin[0] ^ xor0 ^ inW0;
+ tout1 = tin[1] ^ xor1 ^ inW1;
+ l2c(tout0, out);
+ l2c(tout1, out);
+ xor0 = tin0;
+ xor1 = tin1;
+ }
+ if (l != -8) {
+ c2l(in, tin0);
+ tin[0] = tin0 ^ outW0;
+ c2l(in, tin1);
+ tin[1] = tin1 ^ outW1;
+ DES_encrypt1(tin, schedule, DES_DECRYPT);
+ tout0 = tin[0] ^ xor0 ^ inW0;
+ tout1 = tin[1] ^ xor1 ^ inW1;
+ l2cn(tout0, tout1, out, l + 8);
+ xor0 = tin0;
+ xor1 = tin1;
+ }
+
+ iv = &(*ivec)[0];
+ l2c(xor0, iv);
+ l2c(xor1, iv);
+ }
+ tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
+ inW0 = inW1 = outW0 = outW1 = 0;
+ tin[0] = tin[1] = 0;
+}