]>
git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/des/ofb64ede.c
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
13 * The input and output encrypted as though 64bit ofb mode is being used.
14 * The extra state information to record how much of the 64bit block we have
15 * used is contained in *num;
17 void DES_ede3_ofb64_encrypt(register const unsigned char *in
,
18 register unsigned char *out
, long length
,
19 DES_key_schedule
*k1
, DES_key_schedule
*k2
,
20 DES_key_schedule
*k3
, DES_cblock
*ivec
, int *num
)
22 register DES_LONG v0
, v1
;
23 register int n
= *num
;
24 register long l
= length
;
43 DES_encrypt3(ti
, k1
, k2
, k3
);
52 *(out
++) = *(in
++) ^ d
[n
];
60 v0
= v1
= ti
[0] = ti
[1] = 0;