11 #include "syncml_internals.h"
12 #include "sml_error_internals.h"
27 void smlMD5Update(
SmlMD5Context *ctx,
const char *buf, uint32_t len);
28 void smlMD5Final (
SmlMD5Context *ctx,
unsigned char digest[16]);
29 static void smlMD5Transform(uint32_t buf[4],
const uint32_t in[16]);
31 static gint _ie = 0x44332211;
32 static union _endian { gint i; gchar b[4]; } *_endian = (
union _endian *)&_ie;
33 #define IS_BIG_ENDIAN() (_endian->b[0] == '\x44')
34 #define IS_LITTLE_ENDIAN() (_endian->b[0] == '\x11')
39 #define F1(x, y, z) (z ^ (x & (y ^ z)))
40 #define F2(x, y, z) F1(z, x, y)
41 #define F3(x, y, z) (x ^ y ^ z)
42 #define F4(x, y, z) (y ^ (x | ~z))
45 #define MD5STEP(f, w, x, y, z, data, s) ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
51 _byte_reverse (guchar *buf, guint32 longs)
55 t = (guint32) ((guint32) buf[3] << 8 | buf[2]) << 16 |
56 ((guint32) buf[1] << 8 | buf[0]);
64 ctx->buf[0] = 0x67452301;
65 ctx->buf[1] = 0xefcdab89;
66 ctx->buf[2] = 0x98badcfe;
67 ctx->buf[3] = 0x10325476;
73 ctx->doByteReverse = 1;
75 ctx->doByteReverse = 0;
78 void smlMD5Update(
SmlMD5Context *ctx,
const char *buf, uint32_t len)
85 if ((ctx->bits[0] = t + ((guint32) len << 3)) < t)
87 ctx->bits[1] += len >> 29;
94 guchar *p = (guchar *) ctx->in + t;
102 if (ctx->doByteReverse)
103 _byte_reverse (ctx->in, 16);
104 smlMD5Transform (ctx->buf, (guint32 *) ctx->in);
111 memcpy (ctx->in, buf, 64);
112 if (ctx->doByteReverse)
113 _byte_reverse (ctx->in, 16);
114 smlMD5Transform (ctx->buf, (guint32 *) ctx->in);
121 memcpy (ctx->in, buf, len);
124 void smlMD5Final (
SmlMD5Context *ctx,
unsigned char digest[16])
130 count = (ctx->bits[0] >> 3) & 0x3F;
138 count = 64 - 1 - count;
143 memset (p, 0, count);
144 if (ctx->doByteReverse)
145 _byte_reverse (ctx->in, 16);
146 smlMD5Transform (ctx->buf, (guint32 *) ctx->in);
149 memset (ctx->in, 0, 56);
152 memset (p, 0, count - 8);
154 if (ctx->doByteReverse)
155 _byte_reverse (ctx->in, 14);
158 ((guint32 *) ctx->in)[14] = ctx->bits[0];
159 ((guint32 *) ctx->in)[15] = ctx->bits[1];
161 smlMD5Transform (ctx->buf, (guint32 *) ctx->in);
162 if (ctx->doByteReverse)
163 _byte_reverse ((guchar *) ctx->buf, 4);
164 memcpy (digest, ctx->buf, 16);
167 static void smlMD5Transform(uint32_t buf[4],
const uint32_t in[16])
169 register guint32 a, b, c, d;
176 MD5STEP (F1, a, b, c, d, in[0] + 0xd76aa478, 7);
177 MD5STEP (F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
178 MD5STEP (F1, c, d, a, b, in[2] + 0x242070db, 17);
179 MD5STEP (F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
180 MD5STEP (F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
181 MD5STEP (F1, d, a, b, c, in[5] + 0x4787c62a, 12);
182 MD5STEP (F1, c, d, a, b, in[6] + 0xa8304613, 17);
183 MD5STEP (F1, b, c, d, a, in[7] + 0xfd469501, 22);
184 MD5STEP (F1, a, b, c, d, in[8] + 0x698098d8, 7);
185 MD5STEP (F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
186 MD5STEP (F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
187 MD5STEP (F1, b, c, d, a, in[11] + 0x895cd7be, 22);
188 MD5STEP (F1, a, b, c, d, in[12] + 0x6b901122, 7);
189 MD5STEP (F1, d, a, b, c, in[13] + 0xfd987193, 12);
190 MD5STEP (F1, c, d, a, b, in[14] + 0xa679438e, 17);
191 MD5STEP (F1, b, c, d, a, in[15] + 0x49b40821, 22);
193 MD5STEP (F2, a, b, c, d, in[1] + 0xf61e2562, 5);
194 MD5STEP (F2, d, a, b, c, in[6] + 0xc040b340, 9);
195 MD5STEP (F2, c, d, a, b, in[11] + 0x265e5a51, 14);
196 MD5STEP (F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
197 MD5STEP (F2, a, b, c, d, in[5] + 0xd62f105d, 5);
198 MD5STEP (F2, d, a, b, c, in[10] + 0x02441453, 9);
199 MD5STEP (F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
200 MD5STEP (F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
201 MD5STEP (F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
202 MD5STEP (F2, d, a, b, c, in[14] + 0xc33707d6, 9);
203 MD5STEP (F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
204 MD5STEP (F2, b, c, d, a, in[8] + 0x455a14ed, 20);
205 MD5STEP (F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
206 MD5STEP (F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
207 MD5STEP (F2, c, d, a, b, in[7] + 0x676f02d9, 14);
208 MD5STEP (F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
210 MD5STEP (F3, a, b, c, d, in[5] + 0xfffa3942, 4);
211 MD5STEP (F3, d, a, b, c, in[8] + 0x8771f681, 11);
212 MD5STEP (F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
213 MD5STEP (F3, b, c, d, a, in[14] + 0xfde5380c, 23);
214 MD5STEP (F3, a, b, c, d, in[1] + 0xa4beea44, 4);
215 MD5STEP (F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
216 MD5STEP (F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
217 MD5STEP (F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
218 MD5STEP (F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
219 MD5STEP (F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
220 MD5STEP (F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
221 MD5STEP (F3, b, c, d, a, in[6] + 0x04881d05, 23);
222 MD5STEP (F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
223 MD5STEP (F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
224 MD5STEP (F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
225 MD5STEP (F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
227 MD5STEP (F4, a, b, c, d, in[0] + 0xf4292244, 6);
228 MD5STEP (F4, d, a, b, c, in[7] + 0x432aff97, 10);
229 MD5STEP (F4, c, d, a, b, in[14] + 0xab9423a7, 15);
230 MD5STEP (F4, b, c, d, a, in[5] + 0xfc93a039, 21);
231 MD5STEP (F4, a, b, c, d, in[12] + 0x655b59c3, 6);
232 MD5STEP (F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
233 MD5STEP (F4, c, d, a, b, in[10] + 0xffeff47d, 15);
234 MD5STEP (F4, b, c, d, a, in[1] + 0x85845dd1, 21);
235 MD5STEP (F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
236 MD5STEP (F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
237 MD5STEP (F4, c, d, a, b, in[6] + 0xa3014314, 15);
238 MD5STEP (F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
239 MD5STEP (F4, a, b, c, d, in[4] + 0xf7537e82, 6);
240 MD5STEP (F4, d, a, b, c, in[11] + 0xbd3af235, 10);
241 MD5STEP (F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
242 MD5STEP (F4, b, c, d, a, in[9] + 0xeb86d391, 21);
250 void smlMD5GetDigest (
const char *buffer,
int buffer_size,
unsigned char digest[16])
255 smlMD5Update (&ctx, buffer, buffer_size);
256 smlMD5Final (&ctx, digest);
260 char *smlMD5ToString(
unsigned char digest[16],
SmlError **error)
267 snprintf(
string, 33,
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", digest[0], digest[1], digest[2], digest[3], digest[4], digest[5], digest[6], digest[7], digest[8], digest[9], digest[10], digest[11], digest[12], digest[13], digest[14], digest[15]);
void * smlTryMalloc0(long n_bytes, SmlError **error)
Safely mallocs.