diff options
Diffstat (limited to 'usr.sbin/xntpd/lib/md5.c')
| -rw-r--r-- | usr.sbin/xntpd/lib/md5.c | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/usr.sbin/xntpd/lib/md5.c b/usr.sbin/xntpd/lib/md5.c deleted file mode 100644 index a5aca7a..0000000 --- a/usr.sbin/xntpd/lib/md5.c +++ /dev/null @@ -1,322 +0,0 @@ -/* - *********************************************************************** - ** md5.c -- the source code for MD5 routines ** - ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** - ** Created: 2/17/90 RLR ** - ** Revised: 1/91 SRD,AJ,BSK,JT Reference C Version ** - ** Revised (for MD5): RLR 4/27/91 ** - ** -- G modified to have y&~z instead of y&z ** - ** -- FF, GG, HH modified to add in last register done ** - ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** - ** -- distinct additive constant for each step ** - ** -- round 4 added, working mod 7 ** - *********************************************************************** - */ - -/* - *********************************************************************** - ** Copyright (C) 1990, RSA Data Security, Inc. 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. ** - *********************************************************************** - */ - -#include "md5.h" - -/* - *********************************************************************** - ** Message-digest routines: ** - ** To form the message digest for a message M ** - ** (1) Initialize a context buffer mdContext using MD5Init ** - ** (2) Call MD5Update on mdContext and M ** - ** (3) Call MD5Final on mdContext ** - ** The message digest is now in mdContext->digest[0...15] ** - *********************************************************************** - */ - -/* forward declaration */ -static void Transform (); - -#ifdef __STDC__ -static const -#else -static -#endif -unsigned char PADDING[64] = { - 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -/* 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 */ -#if defined(FAST_MD5) && defined(__GNUC__) && defined(mc68000) -/* - * If we're on a 68000 based CPU and using a GNU C compiler with - * inline assembly code, we can speed this up a bit. - */ -inline UINT4 ROTATE_LEFT(UINT4 x, int n) -{ - asm("roll %2,%0" : "=d" (x) : "0" (x), "Ir" (n)); - return x; -} -#else -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) -#endif - - -/* 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); \ - } - -/* The routine MD5Init initializes the message-digest context - mdContext. All fields are set to zero. - */ -void MD5Init (mdContext) -MD5_CTX *mdContext; -{ - mdContext->i[0] = mdContext->i[1] = (UINT4)0; - - /* Load magic initialization constants. - */ - mdContext->buf[0] = (UINT4)0x67452301; - mdContext->buf[1] = (UINT4)0xefcdab89; - mdContext->buf[2] = (UINT4)0x98badcfe; - mdContext->buf[3] = (UINT4)0x10325476; -} - -/* The routine MD5Update updates the message-digest context to - account for the presence of each of the characters inBuf[0..inLen-1] - in the message whose digest is being computed. - */ -void MD5Update (mdContext, inBuf, inLen) -MD5_CTX *mdContext; -unsigned char *inBuf; -unsigned int inLen; -{ - UINT4 in[16]; - int mdi; - unsigned int i, ii; - - /* compute number of bytes mod 64 */ - mdi = (int)((mdContext->i[0] >> 3) & 0x3F); - - /* update number of bits */ - if ((mdContext->i[0] + ((UINT4)inLen << 3)) < mdContext->i[0]) - mdContext->i[1]++; - mdContext->i[0] += ((UINT4)inLen << 3); - mdContext->i[1] += ((UINT4)inLen >> 29); - - while (inLen--) { - /* add new character to buffer, increment mdi */ - mdContext->in[mdi++] = *inBuf++; - - /* transform if necessary */ - if (mdi == 0x40) { - for (i = 0, ii = 0; i < 16; i++, ii += 4) - in[i] = (((UINT4)mdContext->in[ii+3]) << 24) | - (((UINT4)mdContext->in[ii+2]) << 16) | - (((UINT4)mdContext->in[ii+1]) << 8) | - ((UINT4)mdContext->in[ii]); - Transform (mdContext->buf, in); - mdi = 0; - } - } -} - -/* The routine MD5Final terminates the message-digest computation and - ends with the desired message digest in mdContext->digest[0...15]. - */ - -void MD5Final (mdContext) -MD5_CTX *mdContext; -{ - UINT4 in[16]; - int mdi; - unsigned int i, ii; - unsigned int padLen; - - /* save number of bits */ - in[14] = mdContext->i[0]; - in[15] = mdContext->i[1]; - - /* compute number of bytes mod 64 */ - mdi = (int)((mdContext->i[0] >> 3) & 0x3F); - - /* pad out to 56 mod 64 */ - padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi); - MD5Update (mdContext, PADDING, padLen); - - /* append length in bits and transform */ - for (i = 0, ii = 0; i < 14; i++, ii += 4) - in[i] = (((UINT4)mdContext->in[ii+3]) << 24) | - (((UINT4)mdContext->in[ii+2]) << 16) | - (((UINT4)mdContext->in[ii+1]) << 8) | - ((UINT4)mdContext->in[ii]); - Transform (mdContext->buf, in); - - /* store buffer in digest */ - for (i = 0, ii = 0; i < 4; i++, ii += 4) { - mdContext->digest[ii] = (unsigned char)(mdContext->buf[i] & 0xFF); - mdContext->digest[ii+1] = - (unsigned char)((mdContext->buf[i] >> 8) & 0xFF); - mdContext->digest[ii+2] = - (unsigned char)((mdContext->buf[i] >> 16) & 0xFF); - mdContext->digest[ii+3] = - (unsigned char)((mdContext->buf[i] >> 24) & 0xFF); - } -} - -/* Basic MD5 step. Transforms buf based on in. - */ -static void Transform (buf, in) -UINT4 *buf; -UINT4 *in; -{ - UINT4 a = buf[0], b = buf[1], c = buf[2], d = buf[3]; - - /* Round 1 */ -#define S11 7 -#define S12 12 -#define S13 17 -#define S14 22 - - FF ( a, b, c, d, in[ 0], S11, 0xd76aa478); /* 1 */ - FF ( d, a, b, c, in[ 1], S12, 0xe8c7b756); /* 2 */ - FF ( c, d, a, b, in[ 2], S13, 0x242070db); /* 3 */ - FF ( b, c, d, a, in[ 3], S14, 0xc1bdceee); /* 4 */ - FF ( a, b, c, d, in[ 4], S11, 0xf57c0faf); /* 5 */ - FF ( d, a, b, c, in[ 5], S12, 0x4787c62a); /* 6 */ - FF ( c, d, a, b, in[ 6], S13, 0xa8304613); /* 7 */ - FF ( b, c, d, a, in[ 7], S14, 0xfd469501); /* 8 */ - FF ( a, b, c, d, in[ 8], S11, 0x698098d8); /* 9 */ - FF ( d, a, b, c, in[ 9], S12, 0x8b44f7af); /* 10 */ - FF ( c, d, a, b, in[10], S13, 0xffff5bb1); /* 11 */ - FF ( b, c, d, a, in[11], S14, 0x895cd7be); /* 12 */ - FF ( a, b, c, d, in[12], S11, 0x6b901122); /* 13 */ - FF ( d, a, b, c, in[13], S12, 0xfd987193); /* 14 */ - FF ( c, d, a, b, in[14], S13, 0xa679438e); /* 15 */ - FF ( b, c, d, a, in[15], S14, 0x49b40821); /* 16 */ - - /* Round 2 */ -#define S21 5 -#define S22 9 -#define S23 14 -#define S24 20 - GG ( a, b, c, d, in[ 1], S21, 0xf61e2562); /* 17 */ - GG ( d, a, b, c, in[ 6], S22, 0xc040b340); /* 18 */ - GG ( c, d, a, b, in[11], S23, 0x265e5a51); /* 19 */ - GG ( b, c, d, a, in[ 0], S24, 0xe9b6c7aa); /* 20 */ - GG ( a, b, c, d, in[ 5], S21, 0xd62f105d); /* 21 */ - GG ( d, a, b, c, in[10], S22, 0x2441453); /* 22 */ - GG ( c, d, a, b, in[15], S23, 0xd8a1e681); /* 23 */ - GG ( b, c, d, a, in[ 4], S24, 0xe7d3fbc8); /* 24 */ - GG ( a, b, c, d, in[ 9], S21, 0x21e1cde6); /* 25 */ - GG ( d, a, b, c, in[14], S22, 0xc33707d6); /* 26 */ - GG ( c, d, a, b, in[ 3], S23, 0xf4d50d87); /* 27 */ - GG ( b, c, d, a, in[ 8], S24, 0x455a14ed); /* 28 */ - GG ( a, b, c, d, in[13], S21, 0xa9e3e905); /* 29 */ - GG ( d, a, b, c, in[ 2], S22, 0xfcefa3f8); /* 30 */ - GG ( c, d, a, b, in[ 7], S23, 0x676f02d9); /* 31 */ - GG ( b, c, d, a, in[12], S24, 0x8d2a4c8a); /* 32 */ - - /* Round 3 */ -#define S31 4 -#define S32 11 -#define S33 16 -#define S34 23 - HH ( a, b, c, d, in[ 5], S31, 0xfffa3942); /* 33 */ - HH ( d, a, b, c, in[ 8], S32, 0x8771f681); /* 34 */ - HH ( c, d, a, b, in[11], S33, 0x6d9d6122); /* 35 */ - HH ( b, c, d, a, in[14], S34, 0xfde5380c); /* 36 */ - HH ( a, b, c, d, in[ 1], S31, 0xa4beea44); /* 37 */ - HH ( d, a, b, c, in[ 4], S32, 0x4bdecfa9); /* 38 */ - HH ( c, d, a, b, in[ 7], S33, 0xf6bb4b60); /* 39 */ - HH ( b, c, d, a, in[10], S34, 0xbebfbc70); /* 40 */ - HH ( a, b, c, d, in[13], S31, 0x289b7ec6); /* 41 */ - HH ( d, a, b, c, in[ 0], S32, 0xeaa127fa); /* 42 */ - HH ( c, d, a, b, in[ 3], S33, 0xd4ef3085); /* 43 */ - HH ( b, c, d, a, in[ 6], S34, 0x4881d05); /* 44 */ - HH ( a, b, c, d, in[ 9], S31, 0xd9d4d039); /* 45 */ - HH ( d, a, b, c, in[12], S32, 0xe6db99e5); /* 46 */ - HH ( c, d, a, b, in[15], S33, 0x1fa27cf8); /* 47 */ - HH ( b, c, d, a, in[ 2], S34, 0xc4ac5665); /* 48 */ - - /* Round 4 */ -#define S41 6 -#define S42 10 -#define S43 15 -#define S44 21 - II ( a, b, c, d, in[ 0], S41, 0xf4292244); /* 49 */ - II ( d, a, b, c, in[ 7], S42, 0x432aff97); /* 50 */ - II ( c, d, a, b, in[14], S43, 0xab9423a7); /* 51 */ - II ( b, c, d, a, in[ 5], S44, 0xfc93a039); /* 52 */ - II ( a, b, c, d, in[12], S41, 0x655b59c3); /* 53 */ - II ( d, a, b, c, in[ 3], S42, 0x8f0ccc92); /* 54 */ - II ( c, d, a, b, in[10], S43, 0xffeff47d); /* 55 */ - II ( b, c, d, a, in[ 1], S44, 0x85845dd1); /* 56 */ - II ( a, b, c, d, in[ 8], S41, 0x6fa87e4f); /* 57 */ - II ( d, a, b, c, in[15], S42, 0xfe2ce6e0); /* 58 */ - II ( c, d, a, b, in[ 6], S43, 0xa3014314); /* 59 */ - II ( b, c, d, a, in[13], S44, 0x4e0811a1); /* 60 */ - II ( a, b, c, d, in[ 4], S41, 0xf7537e82); /* 61 */ - II ( d, a, b, c, in[11], S42, 0xbd3af235); /* 62 */ - II ( c, d, a, b, in[ 2], S43, 0x2ad7d2bb); /* 63 */ - II ( b, c, d, a, in[ 9], S44, 0xeb86d391); /* 64 */ - - buf[0] += a; - buf[1] += b; - buf[2] += c; - buf[3] += d; -} - -/* - *********************************************************************** - ** End of md5.c ** - ******************************** (cut) ******************************** - */ |
