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-rw-r--r--app/openssl/crypto/des/ofb_enc.c135
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diff --git a/app/openssl/crypto/des/ofb_enc.c b/app/openssl/crypto/des/ofb_enc.c
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-/* crypto/des/ofb_enc.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include "des_locl.h"
-
-/* The input and output are loaded in multiples of 8 bits.
- * What this means is that if you hame numbits=12 and length=2
- * the first 12 bits will be retrieved from the first byte and half
- * the second. The second 12 bits will come from the 3rd and half the 4th
- * byte.
- */
-void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
- long length, DES_key_schedule *schedule,
- DES_cblock *ivec)
- {
- register DES_LONG d0,d1,vv0,vv1,v0,v1,n=(numbits+7)/8;
- register DES_LONG mask0,mask1;
- register long l=length;
- register int num=numbits;
- DES_LONG ti[2];
- unsigned char *iv;
-
- if (num > 64) return;
- if (num > 32)
- {
- mask0=0xffffffffL;
- if (num >= 64)
- mask1=mask0;
- else
- mask1=(1L<<(num-32))-1;
- }
- else
- {
- if (num == 32)
- mask0=0xffffffffL;
- else
- mask0=(1L<<num)-1;
- mask1=0x00000000L;
- }
-
- iv = &(*ivec)[0];
- c2l(iv,v0);
- c2l(iv,v1);
- ti[0]=v0;
- ti[1]=v1;
- while (l-- > 0)
- {
- ti[0]=v0;
- ti[1]=v1;
- DES_encrypt1((DES_LONG *)ti,schedule,DES_ENCRYPT);
- vv0=ti[0];
- vv1=ti[1];
- c2ln(in,d0,d1,n);
- in+=n;
- d0=(d0^vv0)&mask0;
- d1=(d1^vv1)&mask1;
- l2cn(d0,d1,out,n);
- out+=n;
-
- if (num == 32)
- { v0=v1; v1=vv0; }
- else if (num == 64)
- { v0=vv0; v1=vv1; }
- else if (num > 32) /* && num != 64 */
- {
- v0=((v1>>(num-32))|(vv0<<(64-num)))&0xffffffffL;
- v1=((vv0>>(num-32))|(vv1<<(64-num)))&0xffffffffL;
- }
- else /* num < 32 */
- {
- v0=((v0>>num)|(v1<<(32-num)))&0xffffffffL;
- v1=((v1>>num)|(vv0<<(32-num)))&0xffffffffL;
- }
- }
- iv = &(*ivec)[0];
- l2c(v0,iv);
- l2c(v1,iv);
- v0=v1=d0=d1=ti[0]=ti[1]=vv0=vv1=0;
- }
-