2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * IDEA low level APIs are deprecated for public use, but still ok for internal
12 * use where we're using them to implement the higher level EVP interface, as is
15 #include "internal/deprecated.h"
17 #include <openssl/idea.h>
18 #include "idea_local.h"
21 * The input and output encrypted as though 64bit ofb mode is being used.
22 * The extra state information to record how much of the 64bit block we have
23 * used is contained in *num;
25 void IDEA_ofb64_encrypt(const unsigned char *in, unsigned char *out,
26 long length, IDEA_KEY_SCHEDULE *schedule,
27 unsigned char *ivec, int *num)
29 register unsigned long v0, v1, t;
30 register int n = *num;
31 register long l = length;
38 iv = (unsigned char *)ivec;
48 IDEA_encrypt((unsigned long *)ti, schedule);
56 *(out++) = *(in++) ^ d[n];
62 iv = (unsigned char *)ivec;
66 t = v0 = v1 = ti[0] = ti[1] = 0;