[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/des/cfb64enc.c b/ap/lib/libssl/openssl-1.1.1o/crypto/des/cfb64enc.c
new file mode 100644
index 0000000..ca0e821
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/des/cfb64enc.c
@@ -0,0 +1,73 @@
+/*
+ * 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"
+
+/*
+ * The input and output encrypted as though 64bit cfb mode is being used.
+ * The extra state information to record how much of the 64bit block we have
+ * used is contained in *num;
+ */
+
+void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+ long length, DES_key_schedule *schedule,
+ DES_cblock *ivec, int *num, int enc)
+{
+ register DES_LONG v0, v1;
+ register long l = length;
+ register int n = *num;
+ DES_LONG ti[2];
+ unsigned char *iv, c, cc;
+
+ iv = &(*ivec)[0];
+ if (enc) {
+ while (l--) {
+ if (n == 0) {
+ c2l(iv, v0);
+ ti[0] = v0;
+ c2l(iv, v1);
+ ti[1] = v1;
+ DES_encrypt1(ti, schedule, DES_ENCRYPT);
+ iv = &(*ivec)[0];
+ v0 = ti[0];
+ l2c(v0, iv);
+ v0 = ti[1];
+ l2c(v0, iv);
+ iv = &(*ivec)[0];
+ }
+ c = *(in++) ^ iv[n];
+ *(out++) = c;
+ iv[n] = c;
+ n = (n + 1) & 0x07;
+ }
+ } else {
+ while (l--) {
+ if (n == 0) {
+ c2l(iv, v0);
+ ti[0] = v0;
+ c2l(iv, v1);
+ ti[1] = v1;
+ DES_encrypt1(ti, schedule, DES_ENCRYPT);
+ iv = &(*ivec)[0];
+ v0 = ti[0];
+ l2c(v0, iv);
+ v0 = ti[1];
+ l2c(v0, iv);
+ iv = &(*ivec)[0];
+ }
+ cc = *(in++);
+ c = iv[n];
+ iv[n] = cc;
+ *(out++) = c ^ cc;
+ n = (n + 1) & 0x07;
+ }
+ }
+ v0 = v1 = ti[0] = ti[1] = c = cc = 0;
+ *num = n;
+}