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12 | 12 |
|
13 | 13 | #include <foundation/foundation.h>
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14 | 14 |
|
15 |
| -#define F1(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) |
16 |
| -#define F2(x, y, z) ((y) ^ ((z) & ((x) ^ (y)))) |
17 |
| -#define F3(x, y, z) ((x) ^ (y) ^ (z)) |
18 |
| -#define F4(x, y, z) ((y) ^ ((x) | ~(z))) |
| 15 | +/*lint -e123 */ |
| 16 | +#define MD5_F1(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) |
| 17 | +#define MD5_F2(x, y, z) ((y) ^ ((z) & ((x) ^ (y)))) |
| 18 | +#define MD5_F3(x, y, z) ((x) ^ (y) ^ (z)) |
| 19 | +#define MD5_F4(x, y, z) ((y) ^ ((x) | ~(z))) |
19 | 20 |
|
20 | 21 | #define MD5_STEP(f, a, b, c, d, t, s) (a) += f((b), (c), (d)) + (t); (a) = (((a) << (s)) | ((a) >> (32 - (s)))); (a) += (b);
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21 | 22 |
|
@@ -45,73 +46,73 @@ md5_transform(md5_t* digest, const unsigned char* buffer) {
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45 | 46 |
|
46 | 47 | md5_decode(x, buffer, 64);
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47 | 48 |
|
48 |
| - MD5_STEP(F1, a, b, c, d, x[ 0] + 0xd76aa478, 7); |
49 |
| - MD5_STEP(F1, d, a, b, c, x[ 1] + 0xe8c7b756, 12); |
50 |
| - MD5_STEP(F1, c, d, a, b, x[ 2] + 0x242070db, 17); |
51 |
| - MD5_STEP(F1, b, c, d, a, x[ 3] + 0xc1bdceee, 22); |
52 |
| - MD5_STEP(F1, a, b, c, d, x[ 4] + 0xf57c0faf, 7); |
53 |
| - MD5_STEP(F1, d, a, b, c, x[ 5] + 0x4787c62a, 12); |
54 |
| - MD5_STEP(F1, c, d, a, b, x[ 6] + 0xa8304613, 17); |
55 |
| - MD5_STEP(F1, b, c, d, a, x[ 7] + 0xfd469501, 22); |
56 |
| - MD5_STEP(F1, a, b, c, d, x[ 8] + 0x698098d8, 7); |
57 |
| - MD5_STEP(F1, d, a, b, c, x[ 9] + 0x8b44f7af, 12); |
58 |
| - MD5_STEP(F1, c, d, a, b, x[10] + 0xffff5bb1, 17); |
59 |
| - MD5_STEP(F1, b, c, d, a, x[11] + 0x895cd7be, 22); |
60 |
| - MD5_STEP(F1, a, b, c, d, x[12] + 0x6b901122, 7); |
61 |
| - MD5_STEP(F1, d, a, b, c, x[13] + 0xfd987193, 12); |
62 |
| - MD5_STEP(F1, c, d, a, b, x[14] + 0xa679438e, 17); |
63 |
| - MD5_STEP(F1, b, c, d, a, x[15] + 0x49b40821, 22); |
64 |
| - |
65 |
| - MD5_STEP(F2, a, b, c, d, x[ 1] + 0xf61e2562, 5); |
66 |
| - MD5_STEP(F2, d, a, b, c, x[ 6] + 0xc040b340, 9); |
67 |
| - MD5_STEP(F2, c, d, a, b, x[11] + 0x265e5a51, 14); |
68 |
| - MD5_STEP(F2, b, c, d, a, x[ 0] + 0xe9b6c7aa, 20); |
69 |
| - MD5_STEP(F2, a, b, c, d, x[ 5] + 0xd62f105d, 5); |
70 |
| - MD5_STEP(F2, d, a, b, c, x[10] + 0x02441453, 9); |
71 |
| - MD5_STEP(F2, c, d, a, b, x[15] + 0xd8a1e681, 14); |
72 |
| - MD5_STEP(F2, b, c, d, a, x[ 4] + 0xe7d3fbc8, 20); |
73 |
| - MD5_STEP(F2, a, b, c, d, x[ 9] + 0x21e1cde6, 5); |
74 |
| - MD5_STEP(F2, d, a, b, c, x[14] + 0xc33707d6, 9); |
75 |
| - MD5_STEP(F2, c, d, a, b, x[ 3] + 0xf4d50d87, 14); |
76 |
| - MD5_STEP(F2, b, c, d, a, x[ 8] + 0x455a14ed, 20); |
77 |
| - MD5_STEP(F2, a, b, c, d, x[13] + 0xa9e3e905, 5); |
78 |
| - MD5_STEP(F2, d, a, b, c, x[ 2] + 0xfcefa3f8, 9); |
79 |
| - MD5_STEP(F2, c, d, a, b, x[ 7] + 0x676f02d9, 14); |
80 |
| - MD5_STEP(F2, b, c, d, a, x[12] + 0x8d2a4c8a, 20); |
81 |
| - |
82 |
| - MD5_STEP(F3, a, b, c, d, x[ 5] + 0xfffa3942, 4); |
83 |
| - MD5_STEP(F3, d, a, b, c, x[ 8] + 0x8771f681, 11); |
84 |
| - MD5_STEP(F3, c, d, a, b, x[11] + 0x6d9d6122, 16); |
85 |
| - MD5_STEP(F3, b, c, d, a, x[14] + 0xfde5380c, 23); |
86 |
| - MD5_STEP(F3, a, b, c, d, x[ 1] + 0xa4beea44, 4); |
87 |
| - MD5_STEP(F3, d, a, b, c, x[ 4] + 0x4bdecfa9, 11); |
88 |
| - MD5_STEP(F3, c, d, a, b, x[ 7] + 0xf6bb4b60, 16); |
89 |
| - MD5_STEP(F3, b, c, d, a, x[10] + 0xbebfbc70, 23); |
90 |
| - MD5_STEP(F3, a, b, c, d, x[13] + 0x289b7ec6, 4); |
91 |
| - MD5_STEP(F3, d, a, b, c, x[ 0] + 0xeaa127fa, 11); |
92 |
| - MD5_STEP(F3, c, d, a, b, x[ 3] + 0xd4ef3085, 16); |
93 |
| - MD5_STEP(F3, b, c, d, a, x[ 6] + 0x04881d05, 23); |
94 |
| - MD5_STEP(F3, a, b, c, d, x[ 9] + 0xd9d4d039, 4); |
95 |
| - MD5_STEP(F3, d, a, b, c, x[12] + 0xe6db99e5, 11); |
96 |
| - MD5_STEP(F3, c, d, a, b, x[15] + 0x1fa27cf8, 16); |
97 |
| - MD5_STEP(F3, b, c, d, a, x[ 2] + 0xc4ac5665, 23); |
98 |
| - |
99 |
| - MD5_STEP(F4, a, b, c, d, x[ 0] + 0xf4292244, 6); |
100 |
| - MD5_STEP(F4, d, a, b, c, x[ 7] + 0x432aff97, 10); |
101 |
| - MD5_STEP(F4, c, d, a, b, x[14] + 0xab9423a7, 15); |
102 |
| - MD5_STEP(F4, b, c, d, a, x[ 5] + 0xfc93a039, 21); |
103 |
| - MD5_STEP(F4, a, b, c, d, x[12] + 0x655b59c3, 6); |
104 |
| - MD5_STEP(F4, d, a, b, c, x[ 3] + 0x8f0ccc92, 10); |
105 |
| - MD5_STEP(F4, c, d, a, b, x[10] + 0xffeff47d, 15); |
106 |
| - MD5_STEP(F4, b, c, d, a, x[ 1] + 0x85845dd1, 21); |
107 |
| - MD5_STEP(F4, a, b, c, d, x[ 8] + 0x6fa87e4f, 6); |
108 |
| - MD5_STEP(F4, d, a, b, c, x[15] + 0xfe2ce6e0, 10); |
109 |
| - MD5_STEP(F4, c, d, a, b, x[ 6] + 0xa3014314, 15); |
110 |
| - MD5_STEP(F4, b, c, d, a, x[13] + 0x4e0811a1, 21); |
111 |
| - MD5_STEP(F4, a, b, c, d, x[ 4] + 0xf7537e82, 6); |
112 |
| - MD5_STEP(F4, d, a, b, c, x[11] + 0xbd3af235, 10); |
113 |
| - MD5_STEP(F4, c, d, a, b, x[ 2] + 0x2ad7d2bb, 15); |
114 |
| - MD5_STEP(F4, b, c, d, a, x[ 9] + 0xeb86d391, 21); |
| 49 | + MD5_STEP(MD5_F1, a, b, c, d, x[ 0] + 0xd76aa478, 7); |
| 50 | + MD5_STEP(MD5_F1, d, a, b, c, x[ 1] + 0xe8c7b756, 12); |
| 51 | + MD5_STEP(MD5_F1, c, d, a, b, x[ 2] + 0x242070db, 17); |
| 52 | + MD5_STEP(MD5_F1, b, c, d, a, x[ 3] + 0xc1bdceee, 22); |
| 53 | + MD5_STEP(MD5_F1, a, b, c, d, x[ 4] + 0xf57c0faf, 7); |
| 54 | + MD5_STEP(MD5_F1, d, a, b, c, x[ 5] + 0x4787c62a, 12); |
| 55 | + MD5_STEP(MD5_F1, c, d, a, b, x[ 6] + 0xa8304613, 17); |
| 56 | + MD5_STEP(MD5_F1, b, c, d, a, x[ 7] + 0xfd469501, 22); |
| 57 | + MD5_STEP(MD5_F1, a, b, c, d, x[ 8] + 0x698098d8, 7); |
| 58 | + MD5_STEP(MD5_F1, d, a, b, c, x[ 9] + 0x8b44f7af, 12); |
| 59 | + MD5_STEP(MD5_F1, c, d, a, b, x[10] + 0xffff5bb1, 17); |
| 60 | + MD5_STEP(MD5_F1, b, c, d, a, x[11] + 0x895cd7be, 22); |
| 61 | + MD5_STEP(MD5_F1, a, b, c, d, x[12] + 0x6b901122, 7); |
| 62 | + MD5_STEP(MD5_F1, d, a, b, c, x[13] + 0xfd987193, 12); |
| 63 | + MD5_STEP(MD5_F1, c, d, a, b, x[14] + 0xa679438e, 17); |
| 64 | + MD5_STEP(MD5_F1, b, c, d, a, x[15] + 0x49b40821, 22); |
| 65 | + |
| 66 | + MD5_STEP(MD5_F2, a, b, c, d, x[ 1] + 0xf61e2562, 5); |
| 67 | + MD5_STEP(MD5_F2, d, a, b, c, x[ 6] + 0xc040b340, 9); |
| 68 | + MD5_STEP(MD5_F2, c, d, a, b, x[11] + 0x265e5a51, 14); |
| 69 | + MD5_STEP(MD5_F2, b, c, d, a, x[ 0] + 0xe9b6c7aa, 20); |
| 70 | + MD5_STEP(MD5_F2, a, b, c, d, x[ 5] + 0xd62f105d, 5); |
| 71 | + MD5_STEP(MD5_F2, d, a, b, c, x[10] + 0x02441453, 9); |
| 72 | + MD5_STEP(MD5_F2, c, d, a, b, x[15] + 0xd8a1e681, 14); |
| 73 | + MD5_STEP(MD5_F2, b, c, d, a, x[ 4] + 0xe7d3fbc8, 20); |
| 74 | + MD5_STEP(MD5_F2, a, b, c, d, x[ 9] + 0x21e1cde6, 5); |
| 75 | + MD5_STEP(MD5_F2, d, a, b, c, x[14] + 0xc33707d6, 9); |
| 76 | + MD5_STEP(MD5_F2, c, d, a, b, x[ 3] + 0xf4d50d87, 14); |
| 77 | + MD5_STEP(MD5_F2, b, c, d, a, x[ 8] + 0x455a14ed, 20); |
| 78 | + MD5_STEP(MD5_F2, a, b, c, d, x[13] + 0xa9e3e905, 5); |
| 79 | + MD5_STEP(MD5_F2, d, a, b, c, x[ 2] + 0xfcefa3f8, 9); |
| 80 | + MD5_STEP(MD5_F2, c, d, a, b, x[ 7] + 0x676f02d9, 14); |
| 81 | + MD5_STEP(MD5_F2, b, c, d, a, x[12] + 0x8d2a4c8a, 20); |
| 82 | + |
| 83 | + MD5_STEP(MD5_F3, a, b, c, d, x[ 5] + 0xfffa3942, 4); |
| 84 | + MD5_STEP(MD5_F3, d, a, b, c, x[ 8] + 0x8771f681, 11); |
| 85 | + MD5_STEP(MD5_F3, c, d, a, b, x[11] + 0x6d9d6122, 16); |
| 86 | + MD5_STEP(MD5_F3, b, c, d, a, x[14] + 0xfde5380c, 23); |
| 87 | + MD5_STEP(MD5_F3, a, b, c, d, x[ 1] + 0xa4beea44, 4); |
| 88 | + MD5_STEP(MD5_F3, d, a, b, c, x[ 4] + 0x4bdecfa9, 11); |
| 89 | + MD5_STEP(MD5_F3, c, d, a, b, x[ 7] + 0xf6bb4b60, 16); |
| 90 | + MD5_STEP(MD5_F3, b, c, d, a, x[10] + 0xbebfbc70, 23); |
| 91 | + MD5_STEP(MD5_F3, a, b, c, d, x[13] + 0x289b7ec6, 4); |
| 92 | + MD5_STEP(MD5_F3, d, a, b, c, x[ 0] + 0xeaa127fa, 11); |
| 93 | + MD5_STEP(MD5_F3, c, d, a, b, x[ 3] + 0xd4ef3085, 16); |
| 94 | + MD5_STEP(MD5_F3, b, c, d, a, x[ 6] + 0x04881d05, 23); |
| 95 | + MD5_STEP(MD5_F3, a, b, c, d, x[ 9] + 0xd9d4d039, 4); |
| 96 | + MD5_STEP(MD5_F3, d, a, b, c, x[12] + 0xe6db99e5, 11); |
| 97 | + MD5_STEP(MD5_F3, c, d, a, b, x[15] + 0x1fa27cf8, 16); |
| 98 | + MD5_STEP(MD5_F3, b, c, d, a, x[ 2] + 0xc4ac5665, 23); |
| 99 | + |
| 100 | + MD5_STEP(MD5_F4, a, b, c, d, x[ 0] + 0xf4292244, 6); |
| 101 | + MD5_STEP(MD5_F4, d, a, b, c, x[ 7] + 0x432aff97, 10); |
| 102 | + MD5_STEP(MD5_F4, c, d, a, b, x[14] + 0xab9423a7, 15); |
| 103 | + MD5_STEP(MD5_F4, b, c, d, a, x[ 5] + 0xfc93a039, 21); |
| 104 | + MD5_STEP(MD5_F4, a, b, c, d, x[12] + 0x655b59c3, 6); |
| 105 | + MD5_STEP(MD5_F4, d, a, b, c, x[ 3] + 0x8f0ccc92, 10); |
| 106 | + MD5_STEP(MD5_F4, c, d, a, b, x[10] + 0xffeff47d, 15); |
| 107 | + MD5_STEP(MD5_F4, b, c, d, a, x[ 1] + 0x85845dd1, 21); |
| 108 | + MD5_STEP(MD5_F4, a, b, c, d, x[ 8] + 0x6fa87e4f, 6); |
| 109 | + MD5_STEP(MD5_F4, d, a, b, c, x[15] + 0xfe2ce6e0, 10); |
| 110 | + MD5_STEP(MD5_F4, c, d, a, b, x[ 6] + 0xa3014314, 15); |
| 111 | + MD5_STEP(MD5_F4, b, c, d, a, x[13] + 0x4e0811a1, 21); |
| 112 | + MD5_STEP(MD5_F4, a, b, c, d, x[ 4] + 0xf7537e82, 6); |
| 113 | + MD5_STEP(MD5_F4, d, a, b, c, x[11] + 0xbd3af235, 10); |
| 114 | + MD5_STEP(MD5_F4, c, d, a, b, x[ 2] + 0x2ad7d2bb, 15); |
| 115 | + MD5_STEP(MD5_F4, b, c, d, a, x[ 9] + 0xeb86d391, 21); |
115 | 116 |
|
116 | 117 | digest->state[0] += a;
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117 | 118 | digest->state[1] += b;
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@@ -179,13 +180,15 @@ md5_digest(md5_t* digest, const void* buffer, size_t size) {
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179 | 180 | memcpy(digest->buffer + index_buf, buffer, space_buf);
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180 | 181 | md5_transform(digest, digest->buffer);
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181 | 182 |
|
182 |
| - for (index_in = space_buf; index_in + 63 < size; index_in += 64) |
| 183 | + /*lint -e440 */ |
| 184 | + for (index_in = space_buf; (index_in + 64) <= size; index_in += 64) |
183 | 185 | md5_transform(digest, pointer_offset_const(buffer, index_in));
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184 | 186 |
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185 | 187 | index_buf = 0;
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186 | 188 | }
|
187 |
| - else |
| 189 | + else { |
188 | 190 | index_in = 0;
|
| 191 | + } |
189 | 192 |
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190 | 193 | memcpy(digest->buffer + index_buf, pointer_offset_const(buffer, index_in), size - index_in);
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191 | 194 |
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