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Diffstat (limited to 'shared/ossp_uuid/uuid_md5.c')
| -rw-r--r-- | shared/ossp_uuid/uuid_md5.c | 471 |
1 files changed, 0 insertions, 471 deletions
diff --git a/shared/ossp_uuid/uuid_md5.c b/shared/ossp_uuid/uuid_md5.c deleted file mode 100644 index 04c6c6a2..00000000 --- a/shared/ossp_uuid/uuid_md5.c +++ /dev/null @@ -1,471 +0,0 @@ -/* -** OSSP uuid - Universally Unique Identifier -** Copyright (c) 2004-2008 Ralf S. Engelschall <rse@engelschall.com> -** Copyright (c) 2004-2008 The OSSP Project <http://www.ossp.org/> -** -** This file is part of OSSP uuid, a library for the generation -** of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/ -** -** Permission to use, copy, modify, and distribute this software for -** any purpose with or without fee is hereby granted, provided that -** the above copyright notice and this permission notice appear in all -** copies. -** -** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED -** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR -** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF -** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT -** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -** SUCH DAMAGE. -** -** uuid_md5.c: MD5 API implementation -*/ - -/* own headers (part 1/2) */ -#include "uuid_ac.h" - -/* system headers */ -#include <stdlib.h> -#include <string.h> - -/* own headers (part 2/2) */ -#include "uuid_md5.h" - -/* - * This is a RFC 1321 compliant Message Digest 5 (MD5) algorithm - * implementation. It is directly derived from the RSA code published in - * RFC 1321 with just the following functionality preserving changes: - * - converted function definitions from K&R to ANSI C - * - included contents of the "global.h" and "md5.h" headers - * - moved the SXX defines into the MD5Transform function - * - replaced MD5_memcpy() with memcpy(3) and MD5_memset() with memset(3) - * - renamed "index" variables to "idx" to avoid namespace conflicts - * - reformatted C style to conform with OSSP C style - * - added own OSSP style frontend API - */ - -/* -** ==== BEGIN RFC 1321 CODE ==== -*/ - -/* - * RSA Data Security, Inc., MD5 message-digest algorithm - * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. - * All rights reserved. - * - * License to copy and use this software is granted provided that it - * is identified as the "RSA Data Security, Inc. MD5 Message-Digest - * Algorithm" in all material mentioning or referencing this software - * or this function. - * - * License is also granted to make and use derivative works provided - * that such works are identified as "derived from the RSA Data - * Security, Inc. MD5 Message-Digest Algorithm" in all material - * mentioning or referencing the derived work. - * - * RSA Data Security, Inc. makes no representations concerning either - * the merchantability of this software or the suitability of this - * software for any particular purpose. It is provided "as is" - * without express or implied warranty of any kind. - * - * These notices must be retained in any copies of any part of this - * documentation and/or software. - */ - -/* POINTER defines a generic pointer type */ -typedef unsigned char *POINTER; - -/* UINT4 defines a four byte word */ -#if SIZEOF_UNSIGNED_SHORT == 4 -typedef unsigned short int UINT4; -#elif SIZEOF_UNSIGNED_INT == 4 -typedef unsigned int UINT4; -#elif SIZEOF_UNSIGNED_LONG == 4 -typedef unsigned long int UINT4; -#elif SIZEOF_UNSIGNED_LONG_LONG == 4 -typedef unsigned long long int UINT4; -#else -#error ERROR: unable to determine UINT4 type (four byte word) -#endif - -/* MD5 context. */ -typedef struct { - UINT4 state[4]; /* state (ABCD) */ - UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ - unsigned char buffer[64]; /* input buffer */ -} MD5_CTX; - -/* prototypes for internal functions */ -static void MD5Init (MD5_CTX *_ctx); -static void MD5Update (MD5_CTX *_ctx, unsigned char *, unsigned int); -static void MD5Final (unsigned char [], MD5_CTX *); -static void MD5Transform (UINT4 [], unsigned char []); -static void Encode (unsigned char *, UINT4 *, unsigned int); -static void Decode (UINT4 *, unsigned char *, unsigned int); - -/* finalization padding */ -static unsigned char PADDING[64] = { - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* F, G, H and I are basic MD5 functions. */ -#define F(x, y, z) (((x) & (y)) | ((~x) & (z))) -#define G(x, y, z) (((x) & (z)) | ((y) & (~z))) -#define H(x, y, z) ((x) ^ (y) ^ (z)) -#define I(x, y, z) ((y) ^ ((x) | (~z))) - -/* ROTATE_LEFT rotates x left n bits. */ -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) - -/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. - Rotation is separate from addition to prevent recomputation. */ -#define FF(a, b, c, d, x, s, ac) { \ - (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ -} -#define GG(a, b, c, d, x, s, ac) { \ - (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ -} -#define HH(a, b, c, d, x, s, ac) { \ - (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ -} -#define II(a, b, c, d, x, s, ac) { \ - (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ -} - -/* MD5 initialization. Begins an MD5 operation, writing a new context. */ -static void MD5Init( - MD5_CTX *context) -{ - context->count[0] = context->count[1] = 0; - - /* Load magic initialization constants. */ - context->state[0] = 0x67452301; - context->state[1] = 0xefcdab89; - context->state[2] = 0x98badcfe; - context->state[3] = 0x10325476; - return; -} - -/* MD5 block update operation. Continues an MD5 message-digest - operation, processing another message block, and updating the - context. */ -static void MD5Update( - MD5_CTX *context, /* context */ - unsigned char *input, /* input block */ - unsigned int inputLen) /* length of input block */ -{ - unsigned int i, idx, partLen; - - /* Compute number of bytes mod 64 */ - idx = (unsigned int)((context->count[0] >> 3) & 0x3F); - - /* Update number of bits */ - if ((context->count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3)) - context->count[1]++; - context->count[1] += ((UINT4)inputLen >> 29); - - partLen = (unsigned int)64 - idx; - - /* Transform as many times as possible. */ - if (inputLen >= partLen) { - memcpy((POINTER)&context->buffer[idx], (POINTER)input, (size_t)partLen); - MD5Transform(context->state, context->buffer); - for (i = partLen; i + 63 < inputLen; i += 64) - MD5Transform(context->state, &input[i]); - idx = 0; - } - else - i = 0; - - /* Buffer remaining input */ - memcpy((POINTER)&context->buffer[idx], (POINTER)&input[i], (size_t)(inputLen - i)); -} - -/* MD5 finalization. Ends an MD5 message-digest operation, writing the - the message digest and zeroizing the context. */ -static void MD5Final( - unsigned char digest[], /* message digest */ - MD5_CTX *context) /* context */ -{ - unsigned char bits[8]; - unsigned int idx, padLen; - - /* Save number of bits */ - Encode(bits, context->count, 8); - - /* Pad out to 56 mod 64. */ - idx = (unsigned int)((context->count[0] >> 3) & 0x3f); - padLen = (idx < 56) ? ((unsigned int)56 - idx) : ((unsigned int)120 - idx); - MD5Update(context, PADDING, padLen); - - /* Append length (before padding) */ - MD5Update(context, bits, 8); - - /* Store state in digest */ - Encode(digest, context->state, 16); - - /* Zeroize sensitive information. */ - memset((POINTER)context, 0, sizeof(*context)); -} - -/* MD5 basic transformation. Transforms state based on block. */ -static void MD5Transform( - UINT4 state[], - unsigned char block[]) -{ - UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; - - Decode(x, block, 64); - - /* Round 1 */ -#define S11 7 -#define S12 12 -#define S13 17 -#define S14 22 - FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ - FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ - FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ - FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ - FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ - FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ - FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ - FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ - FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ - FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ - FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ - FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ - FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ - FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ - FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ - FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ - - /* Round 2 */ -#define S21 5 -#define S22 9 -#define S23 14 -#define S24 20 - GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ - GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ - GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ - GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ - GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ - GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ - GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ - GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ - GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ - GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ - GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ - GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ - GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ - GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ - GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ - GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ - - /* Round 3 */ -#define S31 4 -#define S32 11 -#define S33 16 -#define S34 23 - HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ - HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ - HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ - HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ - HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ - HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ - HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ - HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ - HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ - HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ - HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ - HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ - HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ - HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ - HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ - HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ - - /* Round 4 */ -#define S41 6 -#define S42 10 -#define S43 15 -#define S44 21 - II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ - II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ - II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ - II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ - II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ - II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ - II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ - II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ - II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ - II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ - II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ - II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ - II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ - II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ - II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ - II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ - - state[0] += a; - state[1] += b; - state[2] += c; - state[3] += d; - - /* Zeroize sensitive information. */ - memset((POINTER)x, 0, sizeof(x)); -} - -/* Encodes input (UINT4) into output (unsigned char). - Assumes len is a multiple of 4. */ -static void Encode( - unsigned char *output, - UINT4 *input, - unsigned int len) -{ - unsigned int i, j; - - for (i = 0, j = 0; j < len; i++, j += 4) { - output[j] = (unsigned char)( input[i] & 0xff); - output[j+1] = (unsigned char)((input[i] >> 8) & 0xff); - output[j+2] = (unsigned char)((input[i] >> 16) & 0xff); - output[j+3] = (unsigned char)((input[i] >> 24) & 0xff); - } - return; -} - -/* Decodes input (unsigned char) into output (UINT4). - Assumes len is a multiple of 4. */ -static void Decode( - UINT4 *output, - unsigned char *input, - unsigned int len) -{ - unsigned int i, j; - - for (i = 0, j = 0; j < len; i++, j += 4) - output[i] = ( (UINT4)input[j]) - | (((UINT4)input[j+1]) << 8 ) - | (((UINT4)input[j+2]) << 16) - | (((UINT4)input[j+3]) << 24); - return; -} - -/* -** ==== END RFC 1321 CODE ==== -*/ - -struct md5_st { - MD5_CTX ctx; -}; - -md5_rc_t md5_create(md5_t **md5) -{ - if (md5 == NULL) - return MD5_RC_ARG; - if ((*md5 = (md5_t *)malloc(sizeof(md5_t))) == NULL) - return MD5_RC_MEM; - MD5Init(&((*md5)->ctx)); - return MD5_RC_OK; -} - -md5_rc_t md5_init(md5_t *md5) -{ - if (md5 == NULL) - return MD5_RC_ARG; - MD5Init(&(md5->ctx)); - return MD5_RC_OK; -} - -md5_rc_t md5_update(md5_t *md5, const void *data_ptr, size_t data_len) -{ - if (md5 == NULL) - return MD5_RC_ARG; - MD5Update(&(md5->ctx), (unsigned char *)data_ptr, (unsigned int)data_len); - return MD5_RC_OK; -} - -md5_rc_t md5_store(md5_t *md5, void **data_ptr, size_t *data_len) -{ - MD5_CTX ctx; - - if (md5 == NULL || data_ptr == NULL) - return MD5_RC_ARG; - if (*data_ptr == NULL) { - if ((*data_ptr = malloc(MD5_LEN_BIN)) == NULL) - return MD5_RC_MEM; - if (data_len != NULL) - *data_len = MD5_LEN_BIN; - } - else { - if (data_len != NULL) { - if (*data_len < MD5_LEN_BIN) - return MD5_RC_MEM; - *data_len = MD5_LEN_BIN; - } - } - memcpy((void *)(&ctx), (void *)(&(md5->ctx)), sizeof(MD5_CTX)); - MD5Final((unsigned char *)(*data_ptr), &(ctx)); - return MD5_RC_OK; -} - -md5_rc_t md5_format(md5_t *md5, char **data_ptr, size_t *data_len) -{ - static const char hex[] = "0123456789abcdef"; - unsigned char buf[MD5_LEN_BIN]; - unsigned char *bufptr; - size_t buflen; - md5_rc_t rc; - int i; - - if (md5 == NULL || data_ptr == NULL) - return MD5_RC_ARG; - if (*data_ptr == NULL) { - if ((*data_ptr = (char *)malloc(MD5_LEN_STR+1)) == NULL) - return MD5_RC_MEM; - if (data_len != NULL) - *data_len = MD5_LEN_STR+1; - } - else { - if (data_len != NULL) { - if (*data_len < MD5_LEN_STR+1) - return MD5_RC_MEM; - *data_len = MD5_LEN_STR+1; - } - } - - bufptr = buf; - buflen = sizeof(buf); - if ((rc = md5_store(md5, (void **)((void *)&bufptr), &buflen)) != MD5_RC_OK) - return rc; - - for (i = 0; i < (int)buflen; i++) { - (*data_ptr)[(i*2)+0] = hex[(int)(bufptr[i] >> 4)]; - (*data_ptr)[(i*2)+1] = hex[(int)(bufptr[i] & 0x0f)]; - } - (*data_ptr)[(i*2)] = '\0'; - return MD5_RC_OK; -} - -md5_rc_t md5_destroy(md5_t *md5) -{ - if (md5 == NULL) - return MD5_RC_ARG; - free(md5); - return MD5_RC_OK; -} - |