]>
git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/des/ofb64ede.c
80fb9d164a230d0a00ef21d3cc2a766268349474
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 * DES low level APIs are deprecated for public use, but still ok for internal
14 #include "internal/deprecated.h"
16 #include "des_local.h"
19 * The input and output encrypted as though 64bit ofb mode is being used.
20 * The extra state information to record how much of the 64bit block we have
21 * used is contained in *num;
23 void DES_ede3_ofb64_encrypt(register const unsigned char *in
,
24 register unsigned char *out
, long length
,
25 DES_key_schedule
*k1
, DES_key_schedule
*k2
,
26 DES_key_schedule
*k3
, DES_cblock
*ivec
, int *num
)
28 register DES_LONG v0
, v1
;
29 register int n
= *num
;
30 register long l
= length
;
49 DES_encrypt3(ti
, k1
, k2
, k3
);
58 *(out
++) = *(in
++) ^ d
[n
];
66 v0
= v1
= ti
[0] = ti
[1] = 0;