Differences From Artifact [ae5d03b1b4]:
- File
src/OFHashes.m
— part of check-in
[9759533b97]
at
2008-10-28 18:19:15
on branch trunk
— Add #undefs in OFHashes.
Just to be sure that we won't get any conflicts when someone addes new
hashes. (user: js, size: 11171) [annotate] [blame] [check-ins using]
To Artifact [ee4f52853e]:
- File src/OFHashes.m — part of check-in [fa2d377c18] at 2008-11-01 17:08:59 on branch trunk — Move some macros to OFMacros.h. (user: js, size: 10913) [annotate] [blame] [check-ins using]
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11 12 13 14 15 16 17 | #import "config.h" #import <string.h> #import <stdint.h> #import "OFHashes.h" | | < < < < < < < < < < < < < < < < < < | 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #import "config.h" #import <string.h> #import <stdint.h> #import "OFHashes.h" #import "OFMacros.h" /******* * MD5 * *******/ /* The four MD5 core functions - F1 is optimized somewhat */ #define F1(x, y, z) (z ^ (x & (y ^ z))) |
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if (size < t) {
memcpy(p, buffer, size);
return self;
}
memcpy(p, buffer, t);
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if (size < t) {
memcpy(p, buffer, size);
return self;
}
memcpy(p, buffer, t);
OF_BSWAP_V(in, 16);
md5_transform(buf, (uint32_t*)in);
buffer += t;
size -= t;
}
/* Process data in 64-byte chunks */
while (size >= 64) {
memcpy(in, buffer, 64);
OF_BSWAP_V(in, 16);
md5_transform(buf, (uint32_t*)in);
buffer += 64;
size -= 64;
}
/* Handle any remaining bytes of data. */
|
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227 228 229 230 231 232 233 |
/* Bytes of padding needed to make 64 bytes */
count = 64 - 1 - count;
/* Pad out to 56 mod 64 */
if (count < 8) {
/* Two lots of padding: Pad the first block to 64 bytes */
memset(p, 0, count);
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/* Bytes of padding needed to make 64 bytes */
count = 64 - 1 - count;
/* Pad out to 56 mod 64 */
if (count < 8) {
/* Two lots of padding: Pad the first block to 64 bytes */
memset(p, 0, count);
OF_BSWAP_V(in, 16);
md5_transform(buf, (uint32_t*)in);
/* Now fill the next block with 56 bytes */
memset(in, 0, 56);
} else {
/* Pad block to 56 bytes */
memset(p, 0, count - 8);
}
OF_BSWAP_V(in, 14);
/* Append length in bits and transform */
((uint32_t*)in)[14] = bits[0];
((uint32_t*)in)[15] = bits[1];
md5_transform(buf, (uint32_t*)in);
OF_BSWAP_V((uint8_t*)buf, 4);
calculated = YES;
return (uint8_t*)buf;
}
@end
#undef F1
#undef F2
#undef F3
#undef F4
#undef MD5STEP
/********
* SHA1 *
********/
/* blk0() and blk() perform the initial expand. */
#ifndef OF_BIG_ENDIAN
#define blk0(i) \
(block->l[i] = (OF_ROL(block->l[i], 24) & 0xFF00FF00) | \
(OF_ROL(block->l[i], 8) & 0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) \
(block->l[i & 15] = OF_ROL(block->l[(i + 13) & 15] ^ \
block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^ \
block->l[i & 15], 1))
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v, w, x, y, z, i) \
z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + OF_ROL(v, 5); \
w = OF_ROL(w, 30);
#define R1(v, w, x, y, z, i) \
z += ((w & (x ^ y)) ^ y) + blk(i) + 0x5A827999 + OF_ROL(v, 5); \
w = OF_ROL(w, 30);
#define R2(v, w, x, y, z, i) \
z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + OF_ROL(v, 5); \
w = OF_ROL(w, 30);
#define R3(v, w, x, y, z, i) \
z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + OF_ROL(v, 5); \
w = OF_ROL(w, 30);
#define R4(v, w, x, y, z, i) \
z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + OF_ROL(v, 5); \
w = OF_ROL(w, 30);
typedef union {
uint8_t c[64];
uint32_t l[16];
} sha1_c64l16_t;
inline void
|
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