zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/idea/i_ofb64.c b/ap/lib/libssl/openssl-1.1.1o/crypto/idea/i_ofb64.c
new file mode 100644
index 0000000..f000ced
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/idea/i_ofb64.c
@@ -0,0 +1,61 @@
+/*
+ * 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/idea.h>
+#include "idea_local.h"
+
+/*
+ * The input and output encrypted as though 64bit ofb mode is being used.
+ * The extra state information to record how much of the 64bit block we have
+ * used is contained in *num;
+ */
+void IDEA_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+ long length, IDEA_KEY_SCHEDULE *schedule,
+ unsigned char *ivec, int *num)
+{
+ register unsigned long v0, v1, t;
+ register int n = *num;
+ register long l = length;
+ unsigned char d[8];
+ register char *dp;
+ unsigned long ti[2];
+ unsigned char *iv;
+ int save = 0;
+
+ iv = (unsigned char *)ivec;
+ n2l(iv, v0);
+ n2l(iv, v1);
+ ti[0] = v0;
+ ti[1] = v1;
+ dp = (char *)d;
+ l2n(v0, dp);
+ l2n(v1, dp);
+ while (l--) {
+ if (n == 0) {
+ IDEA_encrypt((unsigned long *)ti, schedule);
+ dp = (char *)d;
+ t = ti[0];
+ l2n(t, dp);
+ t = ti[1];
+ l2n(t, dp);
+ save++;
+ }
+ *(out++) = *(in++) ^ d[n];
+ n = (n + 1) & 0x07;
+ }
+ if (save) {
+ v0 = ti[0];
+ v1 = ti[1];
+ iv = (unsigned char *)ivec;
+ l2n(v0, iv);
+ l2n(v1, iv);
+ }
+ t = v0 = v1 = ti[0] = ti[1] = 0;
+ *num = n;
+}