OpenCoverage

rc2ofb64.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/rc2/rc2ofb64.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/* $OpenBSD: rc2ofb64.c,v 1.5 2014/10/28 07:35:59 jsg 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 <openssl/rc2.h>-
60#include "rc2_locl.h"-
61-
62/* The input and output encrypted as though 64bit ofb mode is being-
63 * used. The extra state information to record how much of the-
64 * 64bit block we have used is contained in *num;-
65 */-
66void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,-
67 long length, RC2_KEY *schedule, unsigned char *ivec,-
68 int *num)-
69 {-
70 unsigned long v0,v1,t;-
71 int n= *num;-
72 long l=length;-
73 unsigned char d[8];-
74 char *dp;-
75 unsigned long ti[2];-
76 unsigned char *iv;-
77 int save=0;-
78-
79 iv=(unsigned char *)ivec;-
80 c2l(iv,v0);-
81 c2l(iv,v1);-
82 ti[0]=v0;-
83 ti[1]=v1;-
84 dp=(char *)d;-
85 l2c(v0,dp);-
86 l2c(v1,dp);-
87 while (l--)
l--Description
TRUEevaluated 3552 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
4-3552
88 {-
89 if (n == 0)
n == 0Description
TRUEevaluated 444 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 3108 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
444-3108
90 {-
91 RC2_encrypt((unsigned long *)ti,schedule);-
92 dp=(char *)d;-
93 t=ti[0]; l2c(t,dp);-
94 t=ti[1]; l2c(t,dp);-
95 save++;-
96 }
executed 444 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
444
97 *(out++)= *(in++)^d[n];-
98 n=(n+1)&0x07;-
99 }
executed 3552 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
3552
100 if (save)
saveDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
0-4
101 {-
102 v0=ti[0];-
103 v1=ti[1];-
104 iv=(unsigned char *)ivec;-
105 l2c(v0,iv);-
106 l2c(v1,iv);-
107 }
executed 4 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
4
108 t=v0=v1=ti[0]=ti[1]=0;-
109 *num=n;-
110 }
executed 4 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
4
111-
Source codeSwitch to Preprocessed file

Generated by Squish Coco 4.2.2