+++ /dev/null
-/*
- * MD5C.C - 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.
- *
- * $FreeBSD: src/lib/libmd/md5c.c,v 1.9.2.1 1999/08/29 14:57:12 peter Exp $
- *
- * This code is the same as the code published by RSA Inc. It has been
- * edited for clarity and style only.
- *
- * ----------------------------------------------------------------------------
- * The md5_crypt() function was taken from freeBSD's libcrypt and contains
- * this license:
- * "THE BEER-WARE LICENSE" (Revision 42):
- * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
- * can do whatever you want with this stuff. If we meet some day, and you think
- * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
- *
- * $FreeBSD: src/lib/libcrypt/crypt.c,v 1.7.2.1 1999/08/29 14:56:33 peter Exp $
- *
- * ----------------------------------------------------------------------------
- * On April 19th, 2001 md5_crypt() was modified to make it reentrant
- * by Erik Andersen <andersen@uclibc.org>
- *
- *
- * June 28, 2001 Manuel Novoa III
- *
- * "Un-inlined" code using loops and static const tables in order to
- * reduce generated code size (on i386 from approx 4k to approx 2.5k).
- *
- * June 29, 2001 Manuel Novoa III
- *
- * Completely removed static PADDING array.
- *
- * Reintroduced the loop unrolling in MD5_Transform and added the
- * MD5_SIZE_OVER_SPEED option for configurability. Define below as:
- * 0 fully unrolled loops
- * 1 partially unrolled (4 ops per loop)
- * 2 no unrolling -- introduces the need to swap 4 variables (slow)
- * 3 no unrolling and all 4 loops merged into one with switch
- * in each loop (glacial)
- * On i386, sizes are roughly (-Os -fno-builtin):
- * 0: 3k 1: 2.5k 2: 2.2k 3: 2k
- *
- *
- * Since SuSv3 does not require crypt_r, modified again August 7, 2002
- * by Erik Andersen to remove reentrance stuff...
- */
-
-static const uint8_t ascii64[] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-
-/*
- * Valid values are 1 (fastest/largest) to 3 (smallest/slowest).
- */
-#define MD5_SIZE_OVER_SPEED 3
-
-/**********************************************************************/
-
-/* MD5 context. */
-struct MD5Context {
- uint32_t state[4]; /* state (ABCD) */
- uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
- unsigned char buffer[64]; /* input buffer */
-};
-
-static void __md5_Init(struct MD5Context *);
-static void __md5_Update(struct MD5Context *, const unsigned char *, unsigned int);
-static void __md5_Pad(struct MD5Context *);
-static void __md5_Final(unsigned char [16], struct MD5Context *);
-static void __md5_Transform(uint32_t [4], const unsigned char [64]);
-
-
-#define MD5_MAGIC_STR "$1$"
-#define MD5_MAGIC_LEN (sizeof(MD5_MAGIC_STR) - 1)
-static const unsigned char __md5__magic[] = MD5_MAGIC_STR;
-
-
-#ifdef i386
-#define __md5_Encode memcpy
-#define __md5_Decode memcpy
-#else /* i386 */
-
-/*
- * __md5_Encodes input (uint32_t) into output (unsigned char). Assumes len is
- * a multiple of 4.
- */
-static void
-__md5_Encode(unsigned char *output, uint32_t *input, unsigned int len)
-{
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = input[i];
- output[j+1] = (input[i] >> 8);
- output[j+2] = (input[i] >> 16);
- output[j+3] = (input[i] >> 24);
- }
-}
-
-/*
- * __md5_Decodes input (unsigned char) into output (uint32_t). Assumes len is
- * a multiple of 4.
- */
-static void
-__md5_Decode(uint32_t *output, const unsigned char *input, unsigned int len)
-{
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((uint32_t)input[j]) | (((uint32_t)input[j+1]) << 8) |
- (((uint32_t)input[j+2]) << 16) | (((uint32_t)input[j+3]) << 24);
-}
-#endif /* i386 */
-
-/* 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) + (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); \
- }
-
-/* MD5 initialization. Begins an MD5 operation, writing a new context. */
-static void __md5_Init(struct MD5Context *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;
-}
-
-/*
- * MD5 block update operation. Continues an MD5 message-digest
- * operation, processing another message block, and updating the
- * context.
- */
-static void __md5_Update(struct MD5Context *context, const unsigned char *input, unsigned int inputLen)
-{
- unsigned int i, idx, partLen;
-
- /* Compute number of bytes mod 64 */
- idx = (context->count[0] >> 3) & 0x3F;
-
- /* Update number of bits */
- context->count[0] += (inputLen << 3);
- if (context->count[0] < (inputLen << 3))
- context->count[1]++;
- context->count[1] += (inputLen >> 29);
-
- partLen = 64 - idx;
-
- /* Transform as many times as possible. */
- if (inputLen >= partLen) {
- memcpy(&context->buffer[idx], input, partLen);
- __md5_Transform(context->state, context->buffer);
-
- for (i = partLen; i + 63 < inputLen; i += 64)
- __md5_Transform(context->state, &input[i]);
-
- idx = 0;
- } else
- i = 0;
-
- /* Buffer remaining input */
- memcpy(&context->buffer[idx], &input[i], inputLen - i);
-}
-
-/*
- * MD5 padding. Adds padding followed by original length.
- */
-static void __md5_Pad(struct MD5Context *context)
-{
- unsigned char bits[8];
- unsigned int idx, padLen;
- unsigned char PADDING[64];
-
- memset(PADDING, 0, sizeof(PADDING));
- PADDING[0] = 0x80;
-
- /* Save number of bits */
- __md5_Encode(bits, context->count, 8);
-
- /* Pad out to 56 mod 64. */
- idx = (context->count[0] >> 3) & 0x3f;
- padLen = (idx < 56) ? (56 - idx) : (120 - idx);
- __md5_Update(context, PADDING, padLen);
-
- /* Append length (before padding) */
- __md5_Update(context, bits, 8);
-}
-
-/*
- * MD5 finalization. Ends an MD5 message-digest operation, writing the
- * the message digest and zeroizing the context.
- */
-static void __md5_Final(unsigned char digest[16], struct MD5Context *context)
-{
- /* Do padding. */
- __md5_Pad(context);
-
- /* Store state in digest */
- __md5_Encode(digest, context->state, 16);
-
- /* Zeroize sensitive information. */
- memset(context, 0, sizeof(*context));
-}
-
-/* MD5 basic transformation. Transforms state based on block. */
-static void __md5_Transform(uint32_t state[4], const unsigned char block[64])
-{
- uint32_t a, b, c, d, x[16];
-#if MD5_SIZE_OVER_SPEED > 1
- uint32_t temp;
- const unsigned char *ps;
-
- static const unsigned char S[] = {
- 7, 12, 17, 22,
- 5, 9, 14, 20,
- 4, 11, 16, 23,
- 6, 10, 15, 21
- };
-#endif /* MD5_SIZE_OVER_SPEED > 1 */
-
-#if MD5_SIZE_OVER_SPEED > 0
- const uint32_t *pc;
- const unsigned char *pp;
- int i;
-
- static const uint32_t C[] = {
- /* round 1 */
- 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
- 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
- 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
- 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
- /* round 2 */
- 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
- 0xd62f105d, 0x2441453, 0xd8a1e681, 0xe7d3fbc8,
- 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
- 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
- /* round 3 */
- 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
- 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
- 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,
- 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
- /* round 4 */
- 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
- 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
- 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
- 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
- };
-
- static const unsigned char P[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 1 */
- 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, /* 2 */
- 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, /* 3 */
- 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9 /* 4 */
- };
-
-#endif /* MD5_SIZE_OVER_SPEED > 0 */
-
- __md5_Decode(x, block, 64);
-
- a = state[0]; b = state[1]; c = state[2]; d = state[3];
-
-#if MD5_SIZE_OVER_SPEED > 2
- pc = C; pp = P; ps = S - 4;
-
- for (i = 0; i < 64; i++) {
- if ((i & 0x0f) == 0) ps += 4;
- temp = a;
- switch (i>>4) {
- case 0:
- temp += F(b, c, d);
- break;
- case 1:
- temp += G(b, c, d);
- break;
- case 2:
- temp += H(b, c, d);
- break;
- case 3:
- temp += I(b, c, d);
- break;
- }
- temp += x[*pp++] + *pc++;
- temp = ROTATE_LEFT(temp, ps[i & 3]);
- temp += b;
- a = d; d = c; c = b; b = temp;
- }
-#elif MD5_SIZE_OVER_SPEED > 1
- pc = C; pp = P; ps = S;
-
- /* Round 1 */
- for (i = 0; i < 16; i++) {
- FF(a, b, c, d, x[*pp], ps[i & 0x3], *pc); pp++; pc++;
- temp = d; d = c; c = b; b = a; a = temp;
- }
-
- /* Round 2 */
- ps += 4;
- for (; i < 32; i++) {
- GG(a, b, c, d, x[*pp], ps[i & 0x3], *pc); pp++; pc++;
- temp = d; d = c; c = b; b = a; a = temp;
- }
- /* Round 3 */
- ps += 4;
- for (; i < 48; i++) {
- HH(a, b, c, d, x[*pp], ps[i & 0x3], *pc); pp++; pc++;
- temp = d; d = c; c = b; b = a; a = temp;
- }
-
- /* Round 4 */
- ps += 4;
- for (; i < 64; i++) {
- II(a, b, c, d, x[*pp], ps[i & 0x3], *pc); pp++; pc++;
- temp = d; d = c; c = b; b = a; a = temp;
- }
-#elif MD5_SIZE_OVER_SPEED > 0
- pc = C; pp = P;
-
- /* Round 1 */
- for (i = 0; i < 4; i++) {
- FF(a, b, c, d, x[*pp], 7, *pc); pp++; pc++;
- FF(d, a, b, c, x[*pp], 12, *pc); pp++; pc++;
- FF(c, d, a, b, x[*pp], 17, *pc); pp++; pc++;
- FF(b, c, d, a, x[*pp], 22, *pc); pp++; pc++;
- }
-
- /* Round 2 */
- for (i = 0; i < 4; i++) {
- GG(a, b, c, d, x[*pp], 5, *pc); pp++; pc++;
- GG(d, a, b, c, x[*pp], 9, *pc); pp++; pc++;
- GG(c, d, a, b, x[*pp], 14, *pc); pp++; pc++;
- GG(b, c, d, a, x[*pp], 20, *pc); pp++; pc++;
- }
- /* Round 3 */
- for (i = 0; i < 4; i++) {
- HH(a, b, c, d, x[*pp], 4, *pc); pp++; pc++;
- HH(d, a, b, c, x[*pp], 11, *pc); pp++; pc++;
- HH(c, d, a, b, x[*pp], 16, *pc); pp++; pc++;
- HH(b, c, d, a, x[*pp], 23, *pc); pp++; pc++;
- }
-
- /* Round 4 */
- for (i = 0; i < 4; i++) {
- II(a, b, c, d, x[*pp], 6, *pc); pp++; pc++;
- II(d, a, b, c, x[*pp], 10, *pc); pp++; pc++;
- II(c, d, a, b, x[*pp], 15, *pc); pp++; pc++;
- II(b, c, d, a, x[*pp], 21, *pc); pp++; pc++;
- }
-#else
- /* 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 */
-#endif
-
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
-
- /* Zeroize sensitive information. */
- memset(x, 0, sizeof(x));
-}
-
-
-static char*
-__md5_to64(char *s, unsigned v, int n)
-{
- while (--n >= 0) {
- *s++ = ascii64[v & 0x3f];
- v >>= 6;
- }
- return s;
-}
-
-/*
- * UNIX password
- *
- * Use MD5 for what it is best at...
- */
-#define MD5_OUT_BUFSIZE 36
-static char *
-md5_crypt(char passwd[MD5_OUT_BUFSIZE], const unsigned char *pw, const unsigned char *salt)
-{
- const unsigned char *sp, *ep;
- char *p;
- unsigned char final[17]; /* final[16] exists only to aid in looping */
- int sl, pl, i, pw_len;
- struct MD5Context ctx, ctx1;
-
- /* Refine the Salt first */
- sp = salt;
-
- sp += MD5_MAGIC_LEN;
-
- /* It stops at the first '$', max 8 chars */
- for (ep = sp; *ep && *ep != '$' && ep < (sp+8); ep++)
- continue;
-
- /* get the length of the true salt */
- sl = ep - sp;
-
- __md5_Init(&ctx);
-
- /* The password first, since that is what is most unknown */
- pw_len = strlen((char*)pw);
- __md5_Update(&ctx, pw, pw_len);
-
- /* Then our magic string */
- __md5_Update(&ctx, __md5__magic, MD5_MAGIC_LEN);
-
- /* Then the raw salt */
- __md5_Update(&ctx, sp, sl);
-
- /* Then just as many characters of the MD5(pw, salt, pw) */
- __md5_Init(&ctx1);
- __md5_Update(&ctx1, pw, pw_len);
- __md5_Update(&ctx1, sp, sl);
- __md5_Update(&ctx1, pw, pw_len);
- __md5_Final(final, &ctx1);
- for (pl = pw_len; pl > 0; pl -= 16)
- __md5_Update(&ctx, final, pl > 16 ? 16 : pl);
-
- /* Don't leave anything around in vm they could use. */
-//TODO: the above comment seems to be wrong. final is used later.
- memset(final, 0, sizeof(final));
-
- /* Then something really weird... */
- for (i = pw_len; i; i >>= 1) {
- __md5_Update(&ctx, ((i & 1) ? final : (const unsigned char *) pw), 1);
- }
-
- /* Now make the output string */
- passwd[0] = '$';
- passwd[1] = '1';
- passwd[2] = '$';
- strncpy(passwd + 3, (char*)sp, sl);
- passwd[sl + 3] = '$';
-
- __md5_Final(final, &ctx);
-
- /*
- * and now, just to make sure things don't run too fast
- * On a 60 Mhz Pentium this takes 34 msec, so you would
- * need 30 seconds to build a 1000 entry dictionary...
- */
- for (i = 0; i < 1000; i++) {
- __md5_Init(&ctx1);
- if (i & 1)
- __md5_Update(&ctx1, pw, pw_len);
- else
- __md5_Update(&ctx1, final, 16);
-
- if (i % 3)
- __md5_Update(&ctx1, sp, sl);
-
- if (i % 7)
- __md5_Update(&ctx1, pw, pw_len);
-
- if (i & 1)
- __md5_Update(&ctx1, final, 16);
- else
- __md5_Update(&ctx1, pw, pw_len);
- __md5_Final(final, &ctx1);
- }
-
- p = passwd + sl + 4; /* 12 bytes max (sl is up to 8 bytes) */
-
- /* Add 5*4+2 = 22 bytes of hash, + NUL byte. */
- final[16] = final[5];
- for (i = 0; i < 5; i++) {
- unsigned l = (final[i] << 16) | (final[i+6] << 8) | final[i+12];
- p = __md5_to64(p, l, 4);
- }
- p = __md5_to64(p, final[11], 2);
- *p = '\0';
-
- /* Don't leave anything around in vm they could use. */
- memset(final, 0, sizeof(final));
-
- return passwd;
-}
-
-#undef MD5_SIZE_OVER_SPEED
-#undef MD5_MAGIC_STR
-#undef MD5_MAGIC_LEN
-#undef __md5_Encode
-#undef __md5_Decode
-#undef F
-#undef G
-#undef H
-#undef I
-#undef ROTATE_LEFT
-#undef FF
-#undef GG
-#undef HH
-#undef II
-#undef S11
-#undef S12
-#undef S13
-#undef S14
-#undef S21
-#undef S22
-#undef S23
-#undef S24
-#undef S31
-#undef S32
-#undef S33
-#undef S34
-#undef S41
-#undef S42
-#undef S43
-#undef S44
projects / openwrt / openwrt.git / blobdiff