diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libcrypt/md5.c')
| -rw-r--r-- | mdk-stage1/dietlibc/libcrypt/md5.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/mdk-stage1/dietlibc/libcrypt/md5.c b/mdk-stage1/dietlibc/libcrypt/md5.c deleted file mode 100644 index ede9a067e..000000000 --- a/mdk-stage1/dietlibc/libcrypt/md5.c +++ /dev/null @@ -1,243 +0,0 @@ -/***************************************************************************** -* -* "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm". -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -* -*****************************************************************************/ - -#include <endian.h> -#include <md5.h> -#include <string.h> - -#if (__BYTE_ORDER == __BIG_ENDIAN) -/* - Block copy and convert byte order to little-endian. - dst must be 32bit aligned. - Length is the number of 32bit words -*/ -static void CopyToLittleEndian (uint32_t *dst, const uint8_t *src, int length) { - while (length--) { - *dst=(((uint32_t)src[3])<<24) | - (((uint32_t)src[2])<<16) | - (((uint32_t)src[1])<< 8) | - (uint32_t)src[0]; - src+=4; - dst++; - } -} -#endif - - -/* - Assembler versions of __MD5Transform, MD5Init and MD5Update - currently exist for x86 and little-endian ARM. - For other targets, we need to use the C versions below. -*/ - -#if !(defined (__i386__) || ((defined (__arm__) && (__BYTE_ORDER == __LITTLE_ENDIAN)))) - -/* - Initialise the MD5 context. -*/ -void MD5Init (MD5_CTX* context) { - context->count[0] = 0; - context->count[1] = 0; - - context->state[0] = 0x67452301; /* Load magic constants. */ - context->state[1] = 0xefcdab89; - context->state[2] = 0x98badcfe; - context->state[3] = 0x10325476; -} - -#define ROTATE_LEFT(x, n) ((x << n) | (x >> (32-n))) - -#define F(x, y, z) (z ^ (x & (y ^ z))) -#define G(x, y, z) (y ^ (z & (x ^ y))) -#define H(x, y, z) (x ^ y ^ z) -#define I(x, y, z) (y ^ (x | ~z)) - -#define FF(a, b, c, d, x, s, ac) { (a) += F (b, c, d) + (x) + (uint32_t)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } -#define GG(a, b, c, d, x, s, ac) { (a) += G (b, c, d) + (x) + (uint32_t)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } -#define HH(a, b, c, d, x, s, ac) { (a) += H (b, c, d) + (x) + (uint32_t)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } -#define II(a, b, c, d, x, s, ac) { (a) += I (b, c, d) + (x) + (uint32_t)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } - -static void __MD5Transform (uint32_t state[4], const uint8_t *in, int repeat) { - const uint32_t *x; - - uint32_t a = state[0]; - uint32_t b = state[1]; - uint32_t c = state[2]; - uint32_t d = state[3]; - - for ( ; repeat; repeat--) { - uint32_t tempBuffer[16]; -#if (__BYTE_ORDER == __BIG_ENDIAN) - - CopyToLittleEndian (tempBuffer, in, 16); - x = tempBuffer; -#else - if ((long)in & 3) { - memcpy(tempBuffer, in, 64); - x = tempBuffer; - } else - x = (const uint32_t *) in; -#endif - - FF (a, b, c, d, x[ 0], 7, 0xd76aa478); /* 1 */ /* Round 1 */ - FF (d, a, b, c, x[ 1], 12, 0xe8c7b756); /* 2 */ - FF (c, d, a, b, x[ 2], 17, 0x242070db); /* 3 */ - FF (b, c, d, a, x[ 3], 22, 0xc1bdceee); /* 4 */ - FF (a, b, c, d, x[ 4], 7, 0xf57c0faf); /* 5 */ - FF (d, a, b, c, x[ 5], 12, 0x4787c62a); /* 6 */ - FF (c, d, a, b, x[ 6], 17, 0xa8304613); /* 7 */ - FF (b, c, d, a, x[ 7], 22, 0xfd469501); /* 8 */ - FF (a, b, c, d, x[ 8], 7, 0x698098d8); /* 9 */ - FF (d, a, b, c, x[ 9], 12, 0x8b44f7af); /* 10 */ - FF (c, d, a, b, x[10], 17, 0xffff5bb1); /* 11 */ - FF (b, c, d, a, x[11], 22, 0x895cd7be); /* 12 */ - FF (a, b, c, d, x[12], 7, 0x6b901122); /* 13 */ - FF (d, a, b, c, x[13], 12, 0xfd987193); /* 14 */ - FF (c, d, a, b, x[14], 17, 0xa679438e); /* 15 */ - FF (b, c, d, a, x[15], 22, 0x49b40821); /* 16 */ - - GG (a, b, c, d, x[ 1], 5, 0xf61e2562); /* 17 */ /* Round 2 */ - GG (d, a, b, c, x[ 6], 9, 0xc040b340); /* 18 */ - GG (c, d, a, b, x[11], 14, 0x265e5a51); /* 19 */ - GG (b, c, d, a, x[ 0], 20, 0xe9b6c7aa); /* 20 */ - GG (a, b, c, d, x[ 5], 5, 0xd62f105d); /* 21 */ - GG (d, a, b, c, x[10], 9, 0x02441453); /* 22 */ - GG (c, d, a, b, x[15], 14, 0xd8a1e681); /* 23 */ - GG (b, c, d, a, x[ 4], 20, 0xe7d3fbc8); /* 24 */ - GG (a, b, c, d, x[ 9], 5, 0x21e1cde6); /* 25 */ - GG (d, a, b, c, x[14], 9, 0xc33707d6); /* 26 */ - GG (c, d, a, b, x[ 3], 14, 0xf4d50d87); /* 27 */ - GG (b, c, d, a, x[ 8], 20, 0x455a14ed); /* 28 */ - GG (a, b, c, d, x[13], 5, 0xa9e3e905); /* 29 */ - GG (d, a, b, c, x[ 2], 9, 0xfcefa3f8); /* 30 */ - GG (c, d, a, b, x[ 7], 14, 0x676f02d9); /* 31 */ - GG (b, c, d, a, x[12], 20, 0x8d2a4c8a); /* 32 */ - - HH (a, b, c, d, x[ 5], 4, 0xfffa3942); /* 33 */ /* Round 3 */ - HH (d, a, b, c, x[ 8], 11, 0x8771f681); /* 34 */ - HH (c, d, a, b, x[11], 16, 0x6d9d6122); /* 35 */ - HH (b, c, d, a, x[14], 23, 0xfde5380c); /* 36 */ - HH (a, b, c, d, x[ 1], 4, 0xa4beea44); /* 37 */ - HH (d, a, b, c, x[ 4], 11, 0x4bdecfa9); /* 38 */ - HH (c, d, a, b, x[ 7], 16, 0xf6bb4b60); /* 39 */ - HH (b, c, d, a, x[10], 23, 0xbebfbc70); /* 40 */ - HH (a, b, c, d, x[13], 4, 0x289b7ec6); /* 41 */ - HH (d, a, b, c, x[ 0], 11, 0xeaa127fa); /* 42 */ - HH (c, d, a, b, x[ 3], 16, 0xd4ef3085); /* 43 */ - HH (b, c, d, a, x[ 6], 23, 0x04881d05); /* 44 */ - HH (a, b, c, d, x[ 9], 4, 0xd9d4d039); /* 45 */ - HH (d, a, b, c, x[12], 11, 0xe6db99e5); /* 46 */ - HH (c, d, a, b, x[15], 16, 0x1fa27cf8); /* 47 */ - HH (b, c, d, a, x[ 2], 23, 0xc4ac5665); /* 48 */ - - II (a, b, c, d, x[ 0], 6, 0xf4292244); /* 49 */ /* Round 4 */ - II (d, a, b, c, x[ 7], 10, 0x432aff97); /* 50 */ - II (c, d, a, b, x[14], 15, 0xab9423a7); /* 51 */ - II (b, c, d, a, x[ 5], 21, 0xfc93a039); /* 52 */ - II (a, b, c, d, x[12], 6, 0x655b59c3); /* 53 */ - II (d, a, b, c, x[ 3], 10, 0x8f0ccc92); /* 54 */ - II (c, d, a, b, x[10], 15, 0xffeff47d); /* 55 */ - II (b, c, d, a, x[ 1], 21, 0x85845dd1); /* 56 */ - II (a, b, c, d, x[ 8], 6, 0x6fa87e4f); /* 57 */ - II (d, a, b, c, x[15], 10, 0xfe2ce6e0); /* 58 */ - II (c, d, a, b, x[ 6], 15, 0xa3014314); /* 59 */ - II (b, c, d, a, x[13], 21, 0x4e0811a1); /* 60 */ - II (a, b, c, d, x[ 4], 6, 0xf7537e82); /* 61 */ - II (d, a, b, c, x[11], 10, 0xbd3af235); /* 62 */ - II (c, d, a, b, x[ 2], 15, 0x2ad7d2bb); /* 63 */ - II (b, c, d, a, x[ 9], 21, 0xeb86d391); /* 64 */ - - state[0] = a = a + state[0]; - state[1] = b = b + state[1]; - state[2] = c = c + state[2]; - state[3] = d = d + state[3]; - - in += 64; - } -} - - -/* - MD5 block update operation: - Process another sub-string of the message and update the context. -*/ -void MD5Update (MD5_CTX *context, const uint8_t *input, size_t inputBytes) { - int i; - int byteIndex; - unsigned int partLen; - int len; - - /* Compute number of bytes mod 64 */ - byteIndex = (context->count[0] >> 3) & 0x3F; - - /* Update number of bits: count += 8 * inputBytes */ - if ((context->count[0] += inputBytes << 3) < (inputBytes << 3)) - context->count[1]++; - context->count[1] += (inputBytes >> (32-3)); - - partLen = (64 - byteIndex); - - /* Transform as many times as possible. */ - if (inputBytes >= partLen) { - memcpy (context->buffer + byteIndex, input, partLen); - __MD5Transform (context->state, (const uint8_t *) context->buffer, 1); - len = (inputBytes - partLen) / 64; - __MD5Transform (context->state, &input[partLen], len); - i = partLen + 64 * len; - byteIndex = 0; - } else - i = 0; - - /* Buffer remaining input */ - memcpy (&context->buffer[byteIndex], &input[i], inputBytes - i); -} - -#endif - - -void MD5Final (uint8_t digest[16], MD5_CTX* context) { - static uint8_t finalBlock[64]; - - uint32_t bits[2]; - int byteIndex; - int finalBlockLength; - - byteIndex = (context->count[0] >> 3) & 0x3F; - finalBlockLength = ((byteIndex < 56) ? 56 : 120) - byteIndex; - finalBlock[0] = 0x80; - -#if (__BYTE_ORDER == __BIG_ENDIAN) - CopyToLittleEndian (bits, (const uint8_t *) context->count, 2); -#else - memcpy(bits, context->count, 8); -#endif - - MD5Update (context, finalBlock, finalBlockLength); - MD5Update (context, (const uint8_t *) bits, 8); - -#if (__BYTE_ORDER == __BIG_ENDIAN) - CopyToLittleEndian ((uint32_t *) digest, (const uint8_t *) context->state, 4); -#else - memcpy (digest, context->state, 16); -#endif - - memset(context, 0, sizeof(*context)); -} - |