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-rw-r--r--crypto/md5.c95
-rw-r--r--include/linux/cryptohash.h5
-rw-r--r--lib/Makefile2
-rw-r--r--lib/md5.c95
4 files changed, 95 insertions, 102 deletions
diff --git a/crypto/md5.c b/crypto/md5.c
index 2355a7c25c45..f7ae1a48225b 100644
--- a/crypto/md5.c
+++ b/crypto/md5.c
@@ -21,9 +21,11 @@
21#include <linux/module.h> 21#include <linux/module.h>
22#include <linux/string.h> 22#include <linux/string.h>
23#include <linux/types.h> 23#include <linux/types.h>
24#include <linux/cryptohash.h>
25#include <asm/byteorder.h> 24#include <asm/byteorder.h>
26 25
26#define MD5_DIGEST_WORDS 4
27#define MD5_MESSAGE_BYTES 64
28
27const u8 md5_zero_message_hash[MD5_DIGEST_SIZE] = { 29const u8 md5_zero_message_hash[MD5_DIGEST_SIZE] = {
28 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 30 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
29 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e, 31 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e,
@@ -47,6 +49,97 @@ static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
47 } 49 }
48} 50}
49 51
52#define F1(x, y, z) (z ^ (x & (y ^ z)))
53#define F2(x, y, z) F1(z, x, y)
54#define F3(x, y, z) (x ^ y ^ z)
55#define F4(x, y, z) (y ^ (x | ~z))
56
57#define MD5STEP(f, w, x, y, z, in, s) \
58 (w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)
59
60static void md5_transform(__u32 *hash, __u32 const *in)
61{
62 u32 a, b, c, d;
63
64 a = hash[0];
65 b = hash[1];
66 c = hash[2];
67 d = hash[3];
68
69 MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
70 MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
71 MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
72 MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
73 MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
74 MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
75 MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
76 MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
77 MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
78 MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
79 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
80 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
81 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
82 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
83 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
84 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
85
86 MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
87 MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
88 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
89 MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
90 MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
91 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
92 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
93 MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
94 MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
95 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
96 MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
97 MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
98 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
99 MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
100 MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
101 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
102
103 MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
104 MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
105 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
106 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
107 MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
108 MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
109 MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
110 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
111 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
112 MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
113 MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
114 MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
115 MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
116 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
117 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
118 MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
119
120 MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
121 MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
122 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
123 MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
124 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
125 MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
126 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
127 MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
128 MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
129 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
130 MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
131 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
132 MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
133 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
134 MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
135 MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
136
137 hash[0] += a;
138 hash[1] += b;
139 hash[2] += c;
140 hash[3] += d;
141}
142
50static inline void md5_transform_helper(struct md5_state *ctx) 143static inline void md5_transform_helper(struct md5_state *ctx)
51{ 144{
52 le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); 145 le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32));
diff --git a/include/linux/cryptohash.h b/include/linux/cryptohash.h
index 3252799832cf..df4d3e943d28 100644
--- a/include/linux/cryptohash.h
+++ b/include/linux/cryptohash.h
@@ -10,9 +10,4 @@
10void sha_init(__u32 *buf); 10void sha_init(__u32 *buf);
11void sha_transform(__u32 *digest, const char *data, __u32 *W); 11void sha_transform(__u32 *digest, const char *data, __u32 *W);
12 12
13#define MD5_DIGEST_WORDS 4
14#define MD5_MESSAGE_BYTES 64
15
16void md5_transform(__u32 *hash, __u32 const *in);
17
18#endif 13#endif
diff --git a/lib/Makefile b/lib/Makefile
index 320ac46a8725..acbc16bed9af 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -19,7 +19,7 @@ KCOV_INSTRUMENT_dynamic_debug.o := n
19lib-y := ctype.o string.o vsprintf.o cmdline.o \ 19lib-y := ctype.o string.o vsprintf.o cmdline.o \
20 rbtree.o radix-tree.o dump_stack.o timerqueue.o\ 20 rbtree.o radix-tree.o dump_stack.o timerqueue.o\
21 idr.o int_sqrt.o extable.o \ 21 idr.o int_sqrt.o extable.o \
22 sha1.o chacha20.o md5.o irq_regs.o argv_split.o \ 22 sha1.o chacha20.o irq_regs.o argv_split.o \
23 flex_proportions.o ratelimit.o show_mem.o \ 23 flex_proportions.o ratelimit.o show_mem.o \
24 is_single_threaded.o plist.o decompress.o kobject_uevent.o \ 24 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
25 earlycpio.o seq_buf.o siphash.o \ 25 earlycpio.o seq_buf.o siphash.o \
diff --git a/lib/md5.c b/lib/md5.c
deleted file mode 100644
index bb0cd01d356d..000000000000
--- a/lib/md5.c
+++ /dev/null
@@ -1,95 +0,0 @@
1#include <linux/compiler.h>
2#include <linux/export.h>
3#include <linux/cryptohash.h>
4
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))
9
10#define MD5STEP(f, w, x, y, z, in, s) \
11 (w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)
12
13void md5_transform(__u32 *hash, __u32 const *in)
14{
15 u32 a, b, c, d;
16
17 a = hash[0];
18 b = hash[1];
19 c = hash[2];
20 d = hash[3];
21
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);
38
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);
55
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);
72
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);
89
90 hash[0] += a;
91 hash[1] += b;
92 hash[2] += c;
93 hash[3] += d;
94}
95EXPORT_SYMBOL(md5_transform);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-17 14:28:25 -0500