OpenCoverage

mdc2dgst.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/mdc2/mdc2dgst.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/*-
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
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-
8 */-
9-
10#include <stdio.h>-
11#include <stdlib.h>-
12#include <string.h>-
13#include <openssl/crypto.h>-
14#include <openssl/des.h>-
15#include <openssl/mdc2.h>-
16-
17#undef c2l-
18#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \-
19 l|=((DES_LONG)(*((c)++)))<< 8L, \-
20 l|=((DES_LONG)(*((c)++)))<<16L, \-
21 l|=((DES_LONG)(*((c)++)))<<24L)-
22-
23#undef l2c-
24#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \-
25 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \-
26 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \-
27 *((c)++)=(unsigned char)(((l)>>24L)&0xff))-
28-
29static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len);-
30int MDC2_Init(MDC2_CTX *c)-
31{-
32 c->num = 0;-
33 c->pad_type = 1;-
34 memset(&(c->h[0]), 0x52, MDC2_BLOCK);-
35 memset(&(c->hh[0]), 0x25, MDC2_BLOCK);-
36 return 1;
executed 3 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
3
37}-
38-
39int MDC2_Update(MDC2_CTX *c, const unsigned char *in, size_t len)-
40{-
41 size_t i, j;-
42-
43 i = c->num;-
44 if (i != 0) {
i != 0Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-3
45 if (len < MDC2_BLOCK - i) {
len < 8 - iDescription
TRUEnever evaluated
FALSEnever evaluated
0
46 /* partial block */-
47 memcpy(&(c->data[i]), in, len);-
48 c->num += (int)len;-
49 return 1;
never executed: return 1;
0
50 } else {-
51 /* filled one */-
52 j = MDC2_BLOCK - i;-
53 memcpy(&(c->data[i]), in, j);-
54 len -= j;-
55 in += j;-
56 c->num = 0;-
57 mdc2_body(c, &(c->data[0]), MDC2_BLOCK);-
58 }
never executed: end of block
0
59 }-
60 i = len & ~((size_t)MDC2_BLOCK - 1);-
61 if (i > 0)
i > 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-3
62 mdc2_body(c, in, i);
executed 3 times by 1 test: mdc2_body(c, in, i);
Executed by:
  • libcrypto.so.1.1
3
63 j = len - i;-
64 if (j > 0) {
j > 0Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-3
65 memcpy(&(c->data[0]), &(in[i]), j);-
66 c->num = (int)j;-
67 }
never executed: end of block
0
68 return 1;
executed 3 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
3
69}-
70-
71static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len)-
72{-
73 register DES_LONG tin0, tin1;-
74 register DES_LONG ttin0, ttin1;-
75 DES_LONG d[2], dd[2];-
76 DES_key_schedule k;-
77 unsigned char *p;-
78 size_t i;-
79-
80 for (i = 0; i < len; i += 8) {
i < lenDescription
TRUEevaluated 10 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
4-10
81 c2l(in, tin0);-
82 d[0] = dd[0] = tin0;-
83 c2l(in, tin1);-
84 d[1] = dd[1] = tin1;-
85 c->h[0] = (c->h[0] & 0x9f) | 0x40;-
86 c->hh[0] = (c->hh[0] & 0x9f) | 0x20;-
87-
88 DES_set_odd_parity(&c->h);-
89 DES_set_key_unchecked(&c->h, &k);-
90 DES_encrypt1(d, &k, 1);-
91-
92 DES_set_odd_parity(&c->hh);-
93 DES_set_key_unchecked(&c->hh, &k);-
94 DES_encrypt1(dd, &k, 1);-
95-
96 ttin0 = tin0 ^ dd[0];-
97 ttin1 = tin1 ^ dd[1];-
98 tin0 ^= d[0];-
99 tin1 ^= d[1];-
100-
101 p = c->h;-
102 l2c(tin0, p);-
103 l2c(ttin1, p);-
104 p = c->hh;-
105 l2c(ttin0, p);-
106 l2c(tin1, p);-
107 }
executed 10 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
10
108}
executed 4 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
4
109-
110int MDC2_Final(unsigned char *md, MDC2_CTX *c)-
111{-
112 unsigned int i;-
113 int j;-
114-
115 i = c->num;-
116 j = c->pad_type;-
117 if ((i > 0) || (j == 2)) {
(i > 0)Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(j == 2)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-3
118 if (j == 2)
j == 2Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-1
119 c->data[i++] = 0x80;
executed 1 time by 1 test: c->data[i++] = 0x80;
Executed by:
  • libcrypto.so.1.1
1
120 memset(&(c->data[i]), 0, MDC2_BLOCK - i);-
121 mdc2_body(c, c->data, MDC2_BLOCK);-
122 }
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1
123 memcpy(md, (char *)c->h, MDC2_BLOCK);-
124 memcpy(&(md[MDC2_BLOCK]), (char *)c->hh, MDC2_BLOCK);-
125 return 1;
executed 3 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
3
126}-
Source codeSwitch to Preprocessed file
Generated by Squish Coco 4.2.2