OpenCoverage

ofb64ede.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/des/ofb64ede.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/* $OpenBSD: ofb64ede.c,v 1.6 2015/02/07 13:19:15 doug Exp $ */-
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)-
3 * All rights reserved.-
4 *-
5 * This package is an SSL implementation written-
6 * by Eric Young (eay@cryptsoft.com).-
7 * The implementation was written so as to conform with Netscapes SSL.-
8 * -
9 * This library is free for commercial and non-commercial use as long as-
10 * the following conditions are aheared to. The following conditions-
11 * apply to all code found in this distribution, be it the RC4, RSA,-
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation-
13 * included with this distribution is covered by the same copyright terms-
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).-
15 * -
16 * Copyright remains Eric Young's, and as such any Copyright notices in-
17 * the code are not to be removed.-
18 * If this package is used in a product, Eric Young should be given attribution-
19 * as the author of the parts of the library used.-
20 * This can be in the form of a textual message at program startup or-
21 * in documentation (online or textual) provided with the package.-
22 * -
23 * Redistribution and use in source and binary forms, with or without-
24 * modification, are permitted provided that the following conditions-
25 * are met:-
26 * 1. Redistributions of source code must retain the copyright-
27 * notice, this list of conditions and the following disclaimer.-
28 * 2. Redistributions in binary form must reproduce the above copyright-
29 * notice, this list of conditions and the following disclaimer in the-
30 * documentation and/or other materials provided with the distribution.-
31 * 3. All advertising materials mentioning features or use of this software-
32 * must display the following acknowledgement:-
33 * "This product includes cryptographic software written by-
34 * Eric Young (eay@cryptsoft.com)"-
35 * The word 'cryptographic' can be left out if the rouines from the library-
36 * being used are not cryptographic related :-).-
37 * 4. If you include any Windows specific code (or a derivative thereof) from -
38 * the apps directory (application code) you must include an acknowledgement:-
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"-
40 * -
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND-
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE-
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE-
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE-
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL-
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS-
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)-
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT-
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY-
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF-
51 * SUCH DAMAGE.-
52 * -
53 * The licence and distribution terms for any publically available version or-
54 * derivative of this code cannot be changed. i.e. this code cannot simply be-
55 * copied and put under another distribution licence-
56 * [including the GNU Public Licence.]-
57 */-
58-
59#include "des_locl.h"-
60-
61/* The input and output encrypted as though 64bit ofb mode is being-
62 * used. The extra state information to record how much of the-
63 * 64bit block we have used is contained in *num;-
64 */-
65void DES_ede3_ofb64_encrypt(const unsigned char *in,-
66 unsigned char *out, long length,-
67 DES_key_schedule *k1, DES_key_schedule *k2,-
68 DES_key_schedule *k3, DES_cblock *ivec,-
69 int *num)-
70 {-
71 DES_LONG v0,v1;-
72 int n= *num;-
73 long l=length;-
74 DES_cblock d;-
75 char *dp;-
76 DES_LONG ti[2];-
77 unsigned char *iv;-
78 int save=0;-
79-
80 iv = &(*ivec)[0];-
81 c2l(iv,v0);-
82 c2l(iv,v1);-
83 ti[0]=v0;-
84 ti[1]=v1;-
85 dp=(char *)d;-
86 l2c(v0,dp);-
87 l2c(v1,dp);-
88 while (l--)
l--Description
TRUEevaluated 7152 times by 2 tests
Evaluated by:
  • destest
  • libcrypto.so.44.0.1
FALSEevaluated 33 times by 2 tests
Evaluated by:
  • destest
  • libcrypto.so.44.0.1
33-7152
89 {-
90 if (n == 0)
n == 0Description
TRUEevaluated 894 times by 2 tests
Evaluated by:
  • destest
  • libcrypto.so.44.0.1
FALSEevaluated 6258 times by 2 tests
Evaluated by:
  • destest
  • libcrypto.so.44.0.1
894-6258
91 {-
92 /* ti[0]=v0; */-
93 /* ti[1]=v1; */-
94 DES_encrypt3(ti,k1,k2,k3);-
95 v0=ti[0];-
96 v1=ti[1];-
97-
98 dp=(char *)d;-
99 l2c(v0,dp);-
100 l2c(v1,dp);-
101 save++;-
102 }
executed 894 times by 2 tests: end of block
Executed by:
  • destest
  • libcrypto.so.44.0.1
894
103 *(out++)= *(in++)^d[n];-
104 n=(n+1)&0x07;-
105 }
executed 7152 times by 2 tests: end of block
Executed by:
  • destest
  • libcrypto.so.44.0.1
7152
106 if (save)
saveDescription
TRUEevaluated 12 times by 2 tests
Evaluated by:
  • destest
  • libcrypto.so.44.0.1
FALSEevaluated 21 times by 1 test
Evaluated by:
  • destest
12-21
107 {-
108 iv = &(*ivec)[0];-
109 l2c(v0,iv);-
110 l2c(v1,iv);-
111 }
executed 12 times by 2 tests: end of block
Executed by:
  • destest
  • libcrypto.so.44.0.1
12
112 v0=v1=ti[0]=ti[1]=0;-
113 *num=n;-
114 }
executed 33 times by 2 tests: end of block
Executed by:
  • destest
  • libcrypto.so.44.0.1
33
Source codeSwitch to Preprocessed file

Generated by Squish Coco 4.2.2