Eric Lee / linux-smarc-t335x-v3.2

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Commit bc0b96b54a21246e377122d54569eef71cec535f

Authored by David S. Miller
1 parent de96355c11
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

crypto: Move md5_transform to lib/md5.c 

We are going to use this for TCP/IP sequence number and fragment ID
generation.

Signed-off-by: David S. Miller <davem@davemloft.net>

Showing 4 changed files with 102 additions and 92 deletions Inline Diff

1 /* 1 /*
2 * Cryptographic API. 2 * Cryptographic API.
3 * 3 *
4 * MD5 Message Digest Algorithm (RFC1321). 4 * MD5 Message Digest Algorithm (RFC1321).
5 * 5 *
6 * Derived from cryptoapi implementation, originally based on the 6 * Derived from cryptoapi implementation, originally based on the
7 * public domain implementation written by Colin Plumb in 1993. 7 * public domain implementation written by Colin Plumb in 1993.
8 * 8 *
9 * Copyright (c) Cryptoapi developers. 9 * Copyright (c) Cryptoapi developers.
10 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> 10 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
11 * 11 *
12 * This program is free software; you can redistribute it and/or modify it 12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free 13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option) 14 * Software Foundation; either version 2 of the License, or (at your option)
15 * any later version. 15 * any later version.
16 * 16 *
17 */ 17 */
18 #include <crypto/internal/hash.h> 18 #include <crypto/internal/hash.h>
19 #include <crypto/md5.h> 19 #include <crypto/md5.h>
20 #include <linux/init.h> 20 #include <linux/init.h>
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>
24 #include <asm/byteorder.h> 25 #include <asm/byteorder.h>
25
26 #define F1(x, y, z) (z ^ (x & (y ^ z)))
27 #define F2(x, y, z) F1(z, x, y)
28 #define F3(x, y, z) (x ^ y ^ z)
29 #define F4(x, y, z) (y ^ (x | ~z))
30
31 #define MD5STEP(f, w, x, y, z, in, s) \
32 (w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)
33
34 static void md5_transform(u32 *hash, u32 const *in)
35 {
36 u32 a, b, c, d;
37
38 a = hash[0];
39 b = hash[1];
40 c = hash[2];
41 d = hash[3];
42
43 MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
44 MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
45 MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
46 MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
47 MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
48 MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
49 MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
50 MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
51 MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
52 MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
53 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
54 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
55 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
56 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
57 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
58 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
59
60 MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
61 MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
62 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
63 MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
64 MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
65 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
66 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
67 MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
68 MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
69 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
70 MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
71 MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
72 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
73 MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
74 MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
75 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
76
77 MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
78 MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
79 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
80 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
81 MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
82 MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
83 MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
84 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
85 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
86 MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
87 MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
88 MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
89 MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
90 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
91 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
92 MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
93
94 MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
95 MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
96 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
97 MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
98 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
99 MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
100 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
101 MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
102 MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
103 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
104 MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
105 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
106 MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
107 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
108 MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
109 MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
110
111 hash[0] += a;
112 hash[1] += b;
113 hash[2] += c;
114 hash[3] += d;
115 }
116 26
117 /* XXX: this stuff can be optimized */ 27 /* XXX: this stuff can be optimized */
118 static inline void le32_to_cpu_array(u32 *buf, unsigned int words) 28 static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
119 { 29 {
120 while (words--) { 30 while (words--) {
121 __le32_to_cpus(buf); 31 __le32_to_cpus(buf);
122 buf++; 32 buf++;
123 } 33 }
124 } 34 }
125 35
126 static inline void cpu_to_le32_array(u32 *buf, unsigned int words) 36 static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
127 { 37 {
128 while (words--) { 38 while (words--) {
129 __cpu_to_le32s(buf); 39 __cpu_to_le32s(buf);
130 buf++; 40 buf++;
131 } 41 }
132 } 42 }
133 43
134 static inline void md5_transform_helper(struct md5_state *ctx) 44 static inline void md5_transform_helper(struct md5_state *ctx)
135 { 45 {
136 le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); 46 le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32));
137 md5_transform(ctx->hash, ctx->block); 47 md5_transform(ctx->hash, ctx->block);
138 } 48 }
139 49
140 static int md5_init(struct shash_desc *desc) 50 static int md5_init(struct shash_desc *desc)
141 { 51 {
142 struct md5_state *mctx = shash_desc_ctx(desc); 52 struct md5_state *mctx = shash_desc_ctx(desc);
143 53
144 mctx->hash[0] = 0x67452301; 54 mctx->hash[0] = 0x67452301;
145 mctx->hash[1] = 0xefcdab89; 55 mctx->hash[1] = 0xefcdab89;
146 mctx->hash[2] = 0x98badcfe; 56 mctx->hash[2] = 0x98badcfe;
147 mctx->hash[3] = 0x10325476; 57 mctx->hash[3] = 0x10325476;
148 mctx->byte_count = 0; 58 mctx->byte_count = 0;
149 59
150 return 0; 60 return 0;
151 } 61 }
152 62
153 static int md5_update(struct shash_desc *desc, const u8 *data, unsigned int len) 63 static int md5_update(struct shash_desc *desc, const u8 *data, unsigned int len)
154 { 64 {
155 struct md5_state *mctx = shash_desc_ctx(desc); 65 struct md5_state *mctx = shash_desc_ctx(desc);
156 const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); 66 const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);
157 67
158 mctx->byte_count += len; 68 mctx->byte_count += len;
159 69
160 if (avail > len) { 70 if (avail > len) {
161 memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), 71 memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
162 data, len); 72 data, len);
163 return 0; 73 return 0;
164 } 74 }
165 75
166 memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), 76 memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
167 data, avail); 77 data, avail);
168 78
169 md5_transform_helper(mctx); 79 md5_transform_helper(mctx);
170 data += avail; 80 data += avail;
171 len -= avail; 81 len -= avail;
172 82
173 while (len >= sizeof(mctx->block)) { 83 while (len >= sizeof(mctx->block)) {
174 memcpy(mctx->block, data, sizeof(mctx->block)); 84 memcpy(mctx->block, data, sizeof(mctx->block));
175 md5_transform_helper(mctx); 85 md5_transform_helper(mctx);
176 data += sizeof(mctx->block); 86 data += sizeof(mctx->block);
177 len -= sizeof(mctx->block); 87 len -= sizeof(mctx->block);
178 } 88 }
179 89
180 memcpy(mctx->block, data, len); 90 memcpy(mctx->block, data, len);
181 91
182 return 0; 92 return 0;
183 } 93 }
184 94
185 static int md5_final(struct shash_desc *desc, u8 *out) 95 static int md5_final(struct shash_desc *desc, u8 *out)
186 { 96 {
187 struct md5_state *mctx = shash_desc_ctx(desc); 97 struct md5_state *mctx = shash_desc_ctx(desc);
188 const unsigned int offset = mctx->byte_count & 0x3f; 98 const unsigned int offset = mctx->byte_count & 0x3f;
189 char *p = (char *)mctx->block + offset; 99 char *p = (char *)mctx->block + offset;
190 int padding = 56 - (offset + 1); 100 int padding = 56 - (offset + 1);
191 101
192 *p++ = 0x80; 102 *p++ = 0x80;
193 if (padding < 0) { 103 if (padding < 0) {
194 memset(p, 0x00, padding + sizeof (u64)); 104 memset(p, 0x00, padding + sizeof (u64));
195 md5_transform_helper(mctx); 105 md5_transform_helper(mctx);
196 p = (char *)mctx->block; 106 p = (char *)mctx->block;
197 padding = 56; 107 padding = 56;
198 } 108 }
199 109
200 memset(p, 0, padding); 110 memset(p, 0, padding);
201 mctx->block[14] = mctx->byte_count << 3; 111 mctx->block[14] = mctx->byte_count << 3;
202 mctx->block[15] = mctx->byte_count >> 29; 112 mctx->block[15] = mctx->byte_count >> 29;
203 le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - 113 le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -
204 sizeof(u64)) / sizeof(u32)); 114 sizeof(u64)) / sizeof(u32));
205 md5_transform(mctx->hash, mctx->block); 115 md5_transform(mctx->hash, mctx->block);
206 cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32)); 116 cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32));
207 memcpy(out, mctx->hash, sizeof(mctx->hash)); 117 memcpy(out, mctx->hash, sizeof(mctx->hash));
208 memset(mctx, 0, sizeof(*mctx)); 118 memset(mctx, 0, sizeof(*mctx));
209 119
210 return 0; 120 return 0;
211 } 121 }
212 122
213 static int md5_export(struct shash_desc *desc, void *out) 123 static int md5_export(struct shash_desc *desc, void *out)
214 { 124 {
215 struct md5_state *ctx = shash_desc_ctx(desc); 125 struct md5_state *ctx = shash_desc_ctx(desc);
216 126
217 memcpy(out, ctx, sizeof(*ctx)); 127 memcpy(out, ctx, sizeof(*ctx));
218 return 0; 128 return 0;
219 } 129 }
220 130
221 static int md5_import(struct shash_desc *desc, const void *in) 131 static int md5_import(struct shash_desc *desc, const void *in)
222 { 132 {
223 struct md5_state *ctx = shash_desc_ctx(desc); 133 struct md5_state *ctx = shash_desc_ctx(desc);
224 134
225 memcpy(ctx, in, sizeof(*ctx)); 135 memcpy(ctx, in, sizeof(*ctx));
226 return 0; 136 return 0;
227 } 137 }
228 138
229 static struct shash_alg alg = { 139 static struct shash_alg alg = {
230 .digestsize = MD5_DIGEST_SIZE, 140 .digestsize = MD5_DIGEST_SIZE,
231 .init = md5_init, 141 .init = md5_init,
232 .update = md5_update, 142 .update = md5_update,
233 .final = md5_final, 143 .final = md5_final,
234 .export = md5_export, 144 .export = md5_export,
235 .import = md5_import, 145 .import = md5_import,
236 .descsize = sizeof(struct md5_state), 146 .descsize = sizeof(struct md5_state),
237 .statesize = sizeof(struct md5_state), 147 .statesize = sizeof(struct md5_state),
238 .base = { 148 .base = {
239 .cra_name = "md5", 149 .cra_name = "md5",
240 .cra_flags = CRYPTO_ALG_TYPE_SHASH, 150 .cra_flags = CRYPTO_ALG_TYPE_SHASH,
241 .cra_blocksize = MD5_HMAC_BLOCK_SIZE, 151 .cra_blocksize = MD5_HMAC_BLOCK_SIZE,
242 .cra_module = THIS_MODULE, 152 .cra_module = THIS_MODULE,
243 } 153 }
244 }; 154 };
245 155
246 static int __init md5_mod_init(void) 156 static int __init md5_mod_init(void)
247 { 157 {
248 return crypto_register_shash(&alg); 158 return crypto_register_shash(&alg);
249 } 159 }
250 160
251 static void __exit md5_mod_fini(void) 161 static void __exit md5_mod_fini(void)
252 { 162 {
253 crypto_unregister_shash(&alg); 163 crypto_unregister_shash(&alg);
254 } 164 }
255 165
256 module_init(md5_mod_init); 166 module_init(md5_mod_init);
257 module_exit(md5_mod_fini); 167 module_exit(md5_mod_fini);
258 168
259 MODULE_LICENSE("GPL"); 169 MODULE_LICENSE("GPL");
260 MODULE_DESCRIPTION("MD5 Message Digest Algorithm"); 170 MODULE_DESCRIPTION("MD5 Message Digest Algorithm");
include/linux/cryptohash.h
Diff comments   View file @ bc0b96b
1 #ifndef __CRYPTOHASH_H 1 #ifndef __CRYPTOHASH_H
2 #define __CRYPTOHASH_H 2 #define __CRYPTOHASH_H
3 3
4 #define SHA_DIGEST_WORDS 5 4 #define SHA_DIGEST_WORDS 5
5 #define SHA_MESSAGE_BYTES (512 /*bits*/ / 8) 5 #define SHA_MESSAGE_BYTES (512 /*bits*/ / 8)
6 #define SHA_WORKSPACE_WORDS 80 6 #define SHA_WORKSPACE_WORDS 80
7 7
8 void sha_init(__u32 *buf); 8 void sha_init(__u32 *buf);
9 void sha_transform(__u32 *digest, const char *data, __u32 *W); 9 void sha_transform(__u32 *digest, const char *data, __u32 *W);
10 10
11 #define MD5_DIGEST_WORDS 4
12 #define MD5_MESSAGE_BYTES 64
13
14 void md5_transform(__u32 *hash, __u32 const *in);
15
11 __u32 half_md4_transform(__u32 buf[4], __u32 const in[8]); 16 __u32 half_md4_transform(__u32 buf[4], __u32 const in[8]);
12 17
13 #endif 18 #endif
14 19
1 # 1 #
2 # Makefile for some libs needed in the kernel. 2 # Makefile for some libs needed in the kernel.
3 # 3 #
4 4
5 ifdef CONFIG_FUNCTION_TRACER 5 ifdef CONFIG_FUNCTION_TRACER
6 ORIG_CFLAGS := $(KBUILD_CFLAGS) 6 ORIG_CFLAGS := $(KBUILD_CFLAGS)
7 KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS)) 7 KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS))
8 endif 8 endif
9 9
10 lib-y := ctype.o string.o vsprintf.o cmdline.o \ 10 lib-y := ctype.o string.o vsprintf.o cmdline.o \
11 rbtree.o radix-tree.o dump_stack.o timerqueue.o\ 11 rbtree.o radix-tree.o dump_stack.o timerqueue.o\
12 idr.o int_sqrt.o extable.o prio_tree.o \ 12 idr.o int_sqrt.o extable.o prio_tree.o \
13 sha1.o irq_regs.o reciprocal_div.o argv_split.o \ 13 sha1.o md5.o irq_regs.o reciprocal_div.o argv_split.o \
14 proportions.o prio_heap.o ratelimit.o show_mem.o \ 14 proportions.o prio_heap.o ratelimit.o show_mem.o \
15 is_single_threaded.o plist.o decompress.o find_next_bit.o 15 is_single_threaded.o plist.o decompress.o find_next_bit.o
16 16
17 lib-$(CONFIG_MMU) += ioremap.o 17 lib-$(CONFIG_MMU) += ioremap.o
18 lib-$(CONFIG_SMP) += cpumask.o 18 lib-$(CONFIG_SMP) += cpumask.o
19 19
20 lib-y += kobject.o kref.o klist.o 20 lib-y += kobject.o kref.o klist.o
21 21
22 obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ 22 obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
23 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ 23 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
24 string_helpers.o gcd.o lcm.o list_sort.o uuid.o flex_array.o \ 24 string_helpers.o gcd.o lcm.o list_sort.o uuid.o flex_array.o \
25 bsearch.o find_last_bit.o 25 bsearch.o find_last_bit.o
26 obj-y += kstrtox.o 26 obj-y += kstrtox.o
27 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o 27 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
28 28
29 ifeq ($(CONFIG_DEBUG_KOBJECT),y) 29 ifeq ($(CONFIG_DEBUG_KOBJECT),y)
30 CFLAGS_kobject.o += -DDEBUG 30 CFLAGS_kobject.o += -DDEBUG
31 CFLAGS_kobject_uevent.o += -DDEBUG 31 CFLAGS_kobject_uevent.o += -DDEBUG
32 endif 32 endif
33 33
34 lib-$(CONFIG_HOTPLUG) += kobject_uevent.o 34 lib-$(CONFIG_HOTPLUG) += kobject_uevent.o
35 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o 35 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
36 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o 36 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
37 obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o 37 obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
38 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o 38 obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
39 obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o 39 obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
40 lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o 40 lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o
41 lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o 41 lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
42 42
43 CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) 43 CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
44 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o 44 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
45 45
46 obj-$(CONFIG_BTREE) += btree.o 46 obj-$(CONFIG_BTREE) += btree.o
47 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o 47 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
48 obj-$(CONFIG_DEBUG_LIST) += list_debug.o 48 obj-$(CONFIG_DEBUG_LIST) += list_debug.o
49 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o 49 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
50 50
51 ifneq ($(CONFIG_HAVE_DEC_LOCK),y) 51 ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
52 lib-y += dec_and_lock.o 52 lib-y += dec_and_lock.o
53 endif 53 endif
54 54
55 obj-$(CONFIG_BITREVERSE) += bitrev.o 55 obj-$(CONFIG_BITREVERSE) += bitrev.o
56 obj-$(CONFIG_RATIONAL) += rational.o 56 obj-$(CONFIG_RATIONAL) += rational.o
57 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o 57 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
58 obj-$(CONFIG_CRC16) += crc16.o 58 obj-$(CONFIG_CRC16) += crc16.o
59 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o 59 obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
60 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o 60 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
61 obj-$(CONFIG_CRC32) += crc32.o 61 obj-$(CONFIG_CRC32) += crc32.o
62 obj-$(CONFIG_CRC7) += crc7.o 62 obj-$(CONFIG_CRC7) += crc7.o
63 obj-$(CONFIG_LIBCRC32C) += libcrc32c.o 63 obj-$(CONFIG_LIBCRC32C) += libcrc32c.o
64 obj-$(CONFIG_CRC8) += crc8.o 64 obj-$(CONFIG_CRC8) += crc8.o
65 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o 65 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
66 66
67 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/ 67 obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
68 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/ 68 obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
69 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/ 69 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
70 obj-$(CONFIG_BCH) += bch.o 70 obj-$(CONFIG_BCH) += bch.o
71 obj-$(CONFIG_LZO_COMPRESS) += lzo/ 71 obj-$(CONFIG_LZO_COMPRESS) += lzo/
72 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/ 72 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
73 obj-$(CONFIG_XZ_DEC) += xz/ 73 obj-$(CONFIG_XZ_DEC) += xz/
74 obj-$(CONFIG_RAID6_PQ) += raid6/ 74 obj-$(CONFIG_RAID6_PQ) += raid6/
75 75
76 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o 76 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
77 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o 77 lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
78 lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o 78 lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
79 lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o 79 lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
80 lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o 80 lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
81 81
82 obj-$(CONFIG_TEXTSEARCH) += textsearch.o 82 obj-$(CONFIG_TEXTSEARCH) += textsearch.o
83 obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o 83 obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
84 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o 84 obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
85 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o 85 obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
86 obj-$(CONFIG_SMP) += percpu_counter.o 86 obj-$(CONFIG_SMP) += percpu_counter.o
87 obj-$(CONFIG_AUDIT_GENERIC) += audit.o 87 obj-$(CONFIG_AUDIT_GENERIC) += audit.o
88 88
89 obj-$(CONFIG_SWIOTLB) += swiotlb.o 89 obj-$(CONFIG_SWIOTLB) += swiotlb.o
90 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o 90 obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
91 obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o 91 obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
92 obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o 92 obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
93 93
94 lib-$(CONFIG_GENERIC_BUG) += bug.o 94 lib-$(CONFIG_GENERIC_BUG) += bug.o
95 95
96 obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o 96 obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
97 97
98 obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o 98 obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
99 99
100 obj-$(CONFIG_NLATTR) += nlattr.o 100 obj-$(CONFIG_NLATTR) += nlattr.o
101 101
102 obj-$(CONFIG_LRU_CACHE) += lru_cache.o 102 obj-$(CONFIG_LRU_CACHE) += lru_cache.o
103 103
104 obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o 104 obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
105 105
106 obj-$(CONFIG_GENERIC_CSUM) += checksum.o 106 obj-$(CONFIG_GENERIC_CSUM) += checksum.o
107 107
108 obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o 108 obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
109 109
110 obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o 110 obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
111 111
112 obj-$(CONFIG_AVERAGE) += average.o 112 obj-$(CONFIG_AVERAGE) += average.o
113 113
114 obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o 114 obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
115 115
116 obj-$(CONFIG_CORDIC) += cordic.o 116 obj-$(CONFIG_CORDIC) += cordic.o
117 117
118 obj-$(CONFIG_LLIST) += llist.o 118 obj-$(CONFIG_LLIST) += llist.o
119 119
120 hostprogs-y := gen_crc32table 120 hostprogs-y := gen_crc32table
121 clean-files := crc32table.h 121 clean-files := crc32table.h
122 122
123 $(obj)/crc32.o: $(obj)/crc32table.h 123 $(obj)/crc32.o: $(obj)/crc32table.h
124 124
125 quiet_cmd_crc32 = GEN $@ 125 quiet_cmd_crc32 = GEN $@
126 cmd_crc32 = $< > $@ 126 cmd_crc32 = $< > $@
127 127
128 $(obj)/crc32table.h: $(obj)/gen_crc32table 128 $(obj)/crc32table.h: $(obj)/gen_crc32table
129 $(call cmd,crc32) 129 $(call cmd,crc32)
130 130
File was created 1 #include <linux/kernel.h>
2 #include <linux/module.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
13 void 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 }
95 EXPORT_SYMBOL(md5_transform);
96