Coverage Report

Created: 2024-11-21 07:03

/src/cryptopp/md5.cpp
Line
Count
Source
1
// md5.cpp - modified by Wei Dai from Colin Plumb's public domain md5.c
2
// any modifications are placed in the public domain
3
4
#include "pch.h"
5
6
#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
7
#include "md5.h"
8
#include "misc.h"
9
10
NAMESPACE_BEGIN(CryptoPP)
11
NAMESPACE_BEGIN(Weak1)
12
13
#if defined(CRYPTOPP_DEBUG) && !defined(CRYPTOPP_DOXYGEN_PROCESSING)
14
void MD5_TestInstantiations()
15
{
16
  MD5 x;
17
}
18
#endif
19
20
void MD5::InitState(HashWordType *state)
21
14.0k
{
22
14.0k
  state[0] = 0x67452301L;
23
14.0k
  state[1] = 0xefcdab89L;
24
14.0k
  state[2] = 0x98badcfeL;
25
14.0k
  state[3] = 0x10325476L;
26
14.0k
}
27
28
void MD5::Transform (word32 *digest, const word32 *data)
29
657k
{
30
657k
    CRYPTOPP_ASSERT(digest);
31
657k
    CRYPTOPP_ASSERT(data);
32
33
// #define F1(x, y, z) (x & y | ~x & z)
34
21.0M
#define F1(x, y, z) (z ^ (x & (y ^ z)))
35
10.5M
#define F2(x, y, z) F1(z, x, y)
36
10.5M
#define F3(x, y, z) (x ^ y ^ z)
37
10.5M
#define F4(x, y, z) (y ^ (x | ~z))
38
39
657k
#define MD5STEP(f, w, x, y, z, data, s) \
40
42.0M
  w = rotlFixed(w + f(x, y, z) + data, s) + x
41
42
657k
    word32 a, b, c, d;
43
44
657k
  a=digest[0];
45
657k
  b=digest[1];
46
657k
  c=digest[2];
47
657k
  d=digest[3];
48
49
657k
    MD5STEP(F1, a, b, c, d, data[0] + 0xd76aa478, 7);
50
657k
    MD5STEP(F1, d, a, b, c, data[1] + 0xe8c7b756, 12);
51
657k
    MD5STEP(F1, c, d, a, b, data[2] + 0x242070db, 17);
52
657k
    MD5STEP(F1, b, c, d, a, data[3] + 0xc1bdceee, 22);
53
657k
    MD5STEP(F1, a, b, c, d, data[4] + 0xf57c0faf, 7);
54
657k
    MD5STEP(F1, d, a, b, c, data[5] + 0x4787c62a, 12);
55
657k
    MD5STEP(F1, c, d, a, b, data[6] + 0xa8304613, 17);
56
657k
    MD5STEP(F1, b, c, d, a, data[7] + 0xfd469501, 22);
57
657k
    MD5STEP(F1, a, b, c, d, data[8] + 0x698098d8, 7);
58
657k
    MD5STEP(F1, d, a, b, c, data[9] + 0x8b44f7af, 12);
59
657k
    MD5STEP(F1, c, d, a, b, data[10] + 0xffff5bb1, 17);
60
657k
    MD5STEP(F1, b, c, d, a, data[11] + 0x895cd7be, 22);
61
657k
    MD5STEP(F1, a, b, c, d, data[12] + 0x6b901122, 7);
62
657k
    MD5STEP(F1, d, a, b, c, data[13] + 0xfd987193, 12);
63
657k
    MD5STEP(F1, c, d, a, b, data[14] + 0xa679438e, 17);
64
657k
    MD5STEP(F1, b, c, d, a, data[15] + 0x49b40821, 22);
65
66
657k
    MD5STEP(F2, a, b, c, d, data[1] + 0xf61e2562, 5);
67
657k
    MD5STEP(F2, d, a, b, c, data[6] + 0xc040b340, 9);
68
657k
    MD5STEP(F2, c, d, a, b, data[11] + 0x265e5a51, 14);
69
657k
    MD5STEP(F2, b, c, d, a, data[0] + 0xe9b6c7aa, 20);
70
657k
    MD5STEP(F2, a, b, c, d, data[5] + 0xd62f105d, 5);
71
657k
    MD5STEP(F2, d, a, b, c, data[10] + 0x02441453, 9);
72
657k
    MD5STEP(F2, c, d, a, b, data[15] + 0xd8a1e681, 14);
73
657k
    MD5STEP(F2, b, c, d, a, data[4] + 0xe7d3fbc8, 20);
74
657k
    MD5STEP(F2, a, b, c, d, data[9] + 0x21e1cde6, 5);
75
657k
    MD5STEP(F2, d, a, b, c, data[14] + 0xc33707d6, 9);
76
657k
    MD5STEP(F2, c, d, a, b, data[3] + 0xf4d50d87, 14);
77
657k
    MD5STEP(F2, b, c, d, a, data[8] + 0x455a14ed, 20);
78
657k
    MD5STEP(F2, a, b, c, d, data[13] + 0xa9e3e905, 5);
79
657k
    MD5STEP(F2, d, a, b, c, data[2] + 0xfcefa3f8, 9);
80
657k
    MD5STEP(F2, c, d, a, b, data[7] + 0x676f02d9, 14);
81
657k
    MD5STEP(F2, b, c, d, a, data[12] + 0x8d2a4c8a, 20);
82
83
657k
    MD5STEP(F3, a, b, c, d, data[5] + 0xfffa3942, 4);
84
657k
    MD5STEP(F3, d, a, b, c, data[8] + 0x8771f681, 11);
85
657k
    MD5STEP(F3, c, d, a, b, data[11] + 0x6d9d6122, 16);
86
657k
    MD5STEP(F3, b, c, d, a, data[14] + 0xfde5380c, 23);
87
657k
    MD5STEP(F3, a, b, c, d, data[1] + 0xa4beea44, 4);
88
657k
    MD5STEP(F3, d, a, b, c, data[4] + 0x4bdecfa9, 11);
89
657k
    MD5STEP(F3, c, d, a, b, data[7] + 0xf6bb4b60, 16);
90
657k
    MD5STEP(F3, b, c, d, a, data[10] + 0xbebfbc70, 23);
91
657k
    MD5STEP(F3, a, b, c, d, data[13] + 0x289b7ec6, 4);
92
657k
    MD5STEP(F3, d, a, b, c, data[0] + 0xeaa127fa, 11);
93
657k
    MD5STEP(F3, c, d, a, b, data[3] + 0xd4ef3085, 16);
94
657k
    MD5STEP(F3, b, c, d, a, data[6] + 0x04881d05, 23);
95
657k
    MD5STEP(F3, a, b, c, d, data[9] + 0xd9d4d039, 4);
96
657k
    MD5STEP(F3, d, a, b, c, data[12] + 0xe6db99e5, 11);
97
657k
    MD5STEP(F3, c, d, a, b, data[15] + 0x1fa27cf8, 16);
98
657k
    MD5STEP(F3, b, c, d, a, data[2] + 0xc4ac5665, 23);
99
100
657k
    MD5STEP(F4, a, b, c, d, data[0] + 0xf4292244, 6);
101
657k
    MD5STEP(F4, d, a, b, c, data[7] + 0x432aff97, 10);
102
657k
    MD5STEP(F4, c, d, a, b, data[14] + 0xab9423a7, 15);
103
657k
    MD5STEP(F4, b, c, d, a, data[5] + 0xfc93a039, 21);
104
657k
    MD5STEP(F4, a, b, c, d, data[12] + 0x655b59c3, 6);
105
657k
    MD5STEP(F4, d, a, b, c, data[3] + 0x8f0ccc92, 10);
106
657k
    MD5STEP(F4, c, d, a, b, data[10] + 0xffeff47d, 15);
107
657k
    MD5STEP(F4, b, c, d, a, data[1] + 0x85845dd1, 21);
108
657k
    MD5STEP(F4, a, b, c, d, data[8] + 0x6fa87e4f, 6);
109
657k
    MD5STEP(F4, d, a, b, c, data[15] + 0xfe2ce6e0, 10);
110
657k
    MD5STEP(F4, c, d, a, b, data[6] + 0xa3014314, 15);
111
657k
    MD5STEP(F4, b, c, d, a, data[13] + 0x4e0811a1, 21);
112
657k
    MD5STEP(F4, a, b, c, d, data[4] + 0xf7537e82, 6);
113
657k
    MD5STEP(F4, d, a, b, c, data[11] + 0xbd3af235, 10);
114
657k
    MD5STEP(F4, c, d, a, b, data[2] + 0x2ad7d2bb, 15);
115
657k
    MD5STEP(F4, b, c, d, a, data[9] + 0xeb86d391, 21);
116
117
657k
  digest[0]+=a;
118
657k
  digest[1]+=b;
119
657k
  digest[2]+=c;
120
657k
  digest[3]+=d;
121
657k
}
122
123
NAMESPACE_END  // Weak
124
NAMESPACE_END  // CryptoPP