1 #include <linux/kernel.h>
2 #include <linux/export.h>
3 #include <linux/cryptohash.h>
5 #define F1(x, y, z) (z ^ (x & (y ^ z)))
6 #define F2(x, y, z) F1(z, x, y)
7 #define F3(x, y, z) (x ^ y ^ z)
8 #define F4(x, y, z) (y ^ (x | ~z))
10 #define MD5STEP(f, w, x, y, z, in, s) \
11 (w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)
13 void md5_transform(__u32
*hash
, __u32
const *in
)
22 MD5STEP(F1
, a
, b
, c
, d
, in
[0] + 0xd76aa478, 7);
23 MD5STEP(F1
, d
, a
, b
, c
, in
[1] + 0xe8c7b756, 12);
24 MD5STEP(F1
, c
, d
, a
, b
, in
[2] + 0x242070db, 17);
25 MD5STEP(F1
, b
, c
, d
, a
, in
[3] + 0xc1bdceee, 22);
26 MD5STEP(F1
, a
, b
, c
, d
, in
[4] + 0xf57c0faf, 7);
27 MD5STEP(F1
, d
, a
, b
, c
, in
[5] + 0x4787c62a, 12);
28 MD5STEP(F1
, c
, d
, a
, b
, in
[6] + 0xa8304613, 17);
29 MD5STEP(F1
, b
, c
, d
, a
, in
[7] + 0xfd469501, 22);
30 MD5STEP(F1
, a
, b
, c
, d
, in
[8] + 0x698098d8, 7);
31 MD5STEP(F1
, d
, a
, b
, c
, in
[9] + 0x8b44f7af, 12);
32 MD5STEP(F1
, c
, d
, a
, b
, in
[10] + 0xffff5bb1, 17);
33 MD5STEP(F1
, b
, c
, d
, a
, in
[11] + 0x895cd7be, 22);
34 MD5STEP(F1
, a
, b
, c
, d
, in
[12] + 0x6b901122, 7);
35 MD5STEP(F1
, d
, a
, b
, c
, in
[13] + 0xfd987193, 12);
36 MD5STEP(F1
, c
, d
, a
, b
, in
[14] + 0xa679438e, 17);
37 MD5STEP(F1
, b
, c
, d
, a
, in
[15] + 0x49b40821, 22);
39 MD5STEP(F2
, a
, b
, c
, d
, in
[1] + 0xf61e2562, 5);
40 MD5STEP(F2
, d
, a
, b
, c
, in
[6] + 0xc040b340, 9);
41 MD5STEP(F2
, c
, d
, a
, b
, in
[11] + 0x265e5a51, 14);
42 MD5STEP(F2
, b
, c
, d
, a
, in
[0] + 0xe9b6c7aa, 20);
43 MD5STEP(F2
, a
, b
, c
, d
, in
[5] + 0xd62f105d, 5);
44 MD5STEP(F2
, d
, a
, b
, c
, in
[10] + 0x02441453, 9);
45 MD5STEP(F2
, c
, d
, a
, b
, in
[15] + 0xd8a1e681, 14);
46 MD5STEP(F2
, b
, c
, d
, a
, in
[4] + 0xe7d3fbc8, 20);
47 MD5STEP(F2
, a
, b
, c
, d
, in
[9] + 0x21e1cde6, 5);
48 MD5STEP(F2
, d
, a
, b
, c
, in
[14] + 0xc33707d6, 9);
49 MD5STEP(F2
, c
, d
, a
, b
, in
[3] + 0xf4d50d87, 14);
50 MD5STEP(F2
, b
, c
, d
, a
, in
[8] + 0x455a14ed, 20);
51 MD5STEP(F2
, a
, b
, c
, d
, in
[13] + 0xa9e3e905, 5);
52 MD5STEP(F2
, d
, a
, b
, c
, in
[2] + 0xfcefa3f8, 9);
53 MD5STEP(F2
, c
, d
, a
, b
, in
[7] + 0x676f02d9, 14);
54 MD5STEP(F2
, b
, c
, d
, a
, in
[12] + 0x8d2a4c8a, 20);
56 MD5STEP(F3
, a
, b
, c
, d
, in
[5] + 0xfffa3942, 4);
57 MD5STEP(F3
, d
, a
, b
, c
, in
[8] + 0x8771f681, 11);
58 MD5STEP(F3
, c
, d
, a
, b
, in
[11] + 0x6d9d6122, 16);
59 MD5STEP(F3
, b
, c
, d
, a
, in
[14] + 0xfde5380c, 23);
60 MD5STEP(F3
, a
, b
, c
, d
, in
[1] + 0xa4beea44, 4);
61 MD5STEP(F3
, d
, a
, b
, c
, in
[4] + 0x4bdecfa9, 11);
62 MD5STEP(F3
, c
, d
, a
, b
, in
[7] + 0xf6bb4b60, 16);
63 MD5STEP(F3
, b
, c
, d
, a
, in
[10] + 0xbebfbc70, 23);
64 MD5STEP(F3
, a
, b
, c
, d
, in
[13] + 0x289b7ec6, 4);
65 MD5STEP(F3
, d
, a
, b
, c
, in
[0] + 0xeaa127fa, 11);
66 MD5STEP(F3
, c
, d
, a
, b
, in
[3] + 0xd4ef3085, 16);
67 MD5STEP(F3
, b
, c
, d
, a
, in
[6] + 0x04881d05, 23);
68 MD5STEP(F3
, a
, b
, c
, d
, in
[9] + 0xd9d4d039, 4);
69 MD5STEP(F3
, d
, a
, b
, c
, in
[12] + 0xe6db99e5, 11);
70 MD5STEP(F3
, c
, d
, a
, b
, in
[15] + 0x1fa27cf8, 16);
71 MD5STEP(F3
, b
, c
, d
, a
, in
[2] + 0xc4ac5665, 23);
73 MD5STEP(F4
, a
, b
, c
, d
, in
[0] + 0xf4292244, 6);
74 MD5STEP(F4
, d
, a
, b
, c
, in
[7] + 0x432aff97, 10);
75 MD5STEP(F4
, c
, d
, a
, b
, in
[14] + 0xab9423a7, 15);
76 MD5STEP(F4
, b
, c
, d
, a
, in
[5] + 0xfc93a039, 21);
77 MD5STEP(F4
, a
, b
, c
, d
, in
[12] + 0x655b59c3, 6);
78 MD5STEP(F4
, d
, a
, b
, c
, in
[3] + 0x8f0ccc92, 10);
79 MD5STEP(F4
, c
, d
, a
, b
, in
[10] + 0xffeff47d, 15);
80 MD5STEP(F4
, b
, c
, d
, a
, in
[1] + 0x85845dd1, 21);
81 MD5STEP(F4
, a
, b
, c
, d
, in
[8] + 0x6fa87e4f, 6);
82 MD5STEP(F4
, d
, a
, b
, c
, in
[15] + 0xfe2ce6e0, 10);
83 MD5STEP(F4
, c
, d
, a
, b
, in
[6] + 0xa3014314, 15);
84 MD5STEP(F4
, b
, c
, d
, a
, in
[13] + 0x4e0811a1, 21);
85 MD5STEP(F4
, a
, b
, c
, d
, in
[4] + 0xf7537e82, 6);
86 MD5STEP(F4
, d
, a
, b
, c
, in
[11] + 0xbd3af235, 10);
87 MD5STEP(F4
, c
, d
, a
, b
, in
[2] + 0x2ad7d2bb, 15);
88 MD5STEP(F4
, b
, c
, d
, a
, in
[9] + 0xeb86d391, 21);
95 EXPORT_SYMBOL(md5_transform
);
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