From d6ba4580d76aeb52c6fd7376e4c7f4d5f5f1a15a Mon Sep 17 00:00:00 2001 From: Luke Leighton Date: Fri, 30 Apr 1999 05:37:55 +0000 Subject: md5 and hmac_md5 (This used to be commit 5777c1fb12edca8e57e9d5911428f70db2cf9a62) --- source3/Makefile.in | 3 +- source3/include/hmacmd5.h | 33 +++++ source3/include/md5.h | 32 +++++ source3/include/proto.h | 14 +++ source3/include/smb.h | 3 + source3/lib/hmacmd5.c | 119 ++++++++++++++++++ source3/lib/md5.c | 315 ++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 518 insertions(+), 1 deletion(-) create mode 100644 source3/include/hmacmd5.h create mode 100644 source3/include/md5.h create mode 100644 source3/lib/hmacmd5.c create mode 100644 source3/lib/md5.c (limited to 'source3') diff --git a/source3/Makefile.in b/source3/Makefile.in index 356ded7504..51539f4302 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -100,7 +100,8 @@ QUOTAOBJS=@QUOTAOBJS@ ###################################################################### LIB_OBJ = lib/charcnv.o lib/charset.o lib/debug.o lib/fault.o \ - lib/getsmbpass.o lib/interface.o lib/kanji.o lib/md4.o \ + lib/getsmbpass.o lib/interface.o lib/kanji.o \ + lib/md5.o lib/hmacmd5.o lib/md4.o \ lib/membuffer.o lib/netmask.o lib/pidfile.o lib/replace.o \ lib/signal.o lib/slprintf.o lib/system.o lib/doscalls.o lib/time.o \ lib/ufc.o lib/util.o lib/genrand.o lib/username.o \ diff --git a/source3/include/hmacmd5.h b/source3/include/hmacmd5.h new file mode 100644 index 0000000000..adb52058a8 --- /dev/null +++ b/source3/include/hmacmd5.h @@ -0,0 +1,33 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Interface header: Scheduler service + Copyright (C) Luke Kenneth Casson Leighton 1996-1999 + Copyright (C) Andrew Tridgell 1992-1999 + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _HMAC_MD5_H + +typedef struct +{ + struct MD5Context ctx; + uchar k_ipad[65]; + uchar k_opad[65]; + +} HMACMD5Context; + +#endif /* _HMAC_MD5_H */ diff --git a/source3/include/md5.h b/source3/include/md5.h new file mode 100644 index 0000000000..070d8c307d --- /dev/null +++ b/source3/include/md5.h @@ -0,0 +1,32 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Copyright (C) Andrew Tridgell 1992-1999 + Copyright (C) Luke Kenneth Casson Leighton 1996-1999 + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef MD5_H +#define MD5_H + +struct MD5Context +{ + uint32 buf[4]; + uint32 bits[2]; + uchar in[64]; +}; + +#endif /* !MD5_H */ diff --git a/source3/include/proto.h b/source3/include/proto.h index e528505d43..f61d8e3ca8 100644 --- a/source3/include/proto.h +++ b/source3/include/proto.h @@ -226,6 +226,13 @@ void generate_random_buffer( unsigned char *out, int len, BOOL re_seed); char *getsmbpass(char *prompt) ; +/*The following definitions come from lib/hmacmd5.c */ + +void hmac_md5_init_rfc2104(uchar* key, int key_len, HMACMD5Context *ctx); +void hmac_md5_init_limK_to_64(uchar* key, int key_len, HMACMD5Context *ctx); +void hmac_md5_update(uchar* text, int text_len, HMACMD5Context *ctx); +void hmac_md5_final(caddr_t digest, HMACMD5Context *ctx); + /*The following definitions come from lib/interface.c */ void load_interfaces(void); @@ -250,6 +257,13 @@ void initialize_multibyte_vectors( int client_codepage); void mdfour(unsigned char *out, unsigned char *in, int n); +/*The following definitions come from lib/md5.c */ + +void MD5Init(struct MD5Context *ctx); +void MD5Update(struct MD5Context *ctx, uchar const *buf, unsigned len); +void MD5Final(uchar digest[16], struct MD5Context *ctx); +void MD5Transform(uint32 buf[4], const uchar inext[64]); + /*The following definitions come from lib/membuffer.c */ void mem_init(struct mem_buf *buf, int margin); diff --git a/source3/include/smb.h b/source3/include/smb.h index 6d9bcb479b..24f95baaa5 100644 --- a/source3/include/smb.h +++ b/source3/include/smb.h @@ -24,6 +24,9 @@ #ifndef _SMB_H #define _SMB_H +#include "md5.h" +#include "hmacmd5.h" + #define BUFFER_SIZE (0xFFFF) #define SAFETY_MARGIN 1024 diff --git a/source3/lib/hmacmd5.c b/source3/lib/hmacmd5.c new file mode 100644 index 0000000000..9821afdc1d --- /dev/null +++ b/source3/lib/hmacmd5.c @@ -0,0 +1,119 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Interface header: Scheduler service + Copyright (C) Luke Kenneth Casson Leighton 1996-1999 + Copyright (C) Andrew Tridgell 1992-1999 + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* taken direct from rfc2104 implementation and modified for suitable use + * for ntlmv2. + */ + +#include "includes.h" + +/*********************************************************************** + the rfc 2104 version of hmac_md5 initialisation. +***********************************************************************/ +void hmac_md5_init_rfc2104(uchar* key, int key_len, HMACMD5Context *ctx) +{ + int i; + + /* if key is longer than 64 bytes reset it to key=MD5(key) */ + if (key_len > 64) + { + uchar tk[16]; + struct MD5Context tctx; + + MD5Init(&tctx); + MD5Update(&tctx, key, key_len); + MD5Final(tk, &tctx); + + key = tk; + key_len = 16; + } + + /* start out by storing key in pads */ + bzero( ctx->k_ipad, sizeof ctx->k_ipad); + bzero( ctx->k_opad, sizeof ctx->k_opad); + bcopy( key, ctx->k_ipad, key_len); + bcopy( key, ctx->k_opad, key_len); + + /* XOR key with ipad and opad values */ + for (i=0; i<64; i++) + { + ctx->k_ipad[i] ^= 0x36; + ctx->k_opad[i] ^= 0x5c; + } + + MD5Init(&ctx->ctx); + MD5Update(&ctx->ctx, ctx->k_ipad, 64); +} + +/*********************************************************************** + the microsoft version of hmac_md5 initialisation. +***********************************************************************/ +void hmac_md5_init_limK_to_64(uchar* key, int key_len, HMACMD5Context *ctx) +{ + int i; + + /* if key is longer than 64 bytes truncate it */ + if (key_len > 64) + { + key_len = 64; + } + + /* start out by storing key in pads */ + bzero( ctx->k_ipad, sizeof ctx->k_ipad); + bzero( ctx->k_opad, sizeof ctx->k_opad); + bcopy( key, ctx->k_ipad, key_len); + bcopy( key, ctx->k_opad, key_len); + + /* XOR key with ipad and opad values */ + for (i=0; i<64; i++) + { + ctx->k_ipad[i] ^= 0x36; + ctx->k_opad[i] ^= 0x5c; + } + + MD5Init(&ctx->ctx); + MD5Update(&ctx->ctx, ctx->k_ipad, 64); +} + +/*********************************************************************** + update hmac_md5 "inner" buffer +***********************************************************************/ +void hmac_md5_update(uchar* text, int text_len, HMACMD5Context *ctx) +{ + MD5Update(&ctx->ctx, text, text_len); /* then text of datagram */ +} + +/*********************************************************************** + finish off hmac_md5 "inner" buffer and generate outer one. +***********************************************************************/ +void hmac_md5_final(caddr_t digest, HMACMD5Context *ctx) + +{ + struct MD5Context ctx_o; + + MD5Final(digest, &ctx->ctx); + + MD5Init(&ctx_o); + MD5Update(&ctx_o, ctx->k_opad, 64); + MD5Update(&ctx_o, digest, 16); + MD5Final(digest, &ctx_o); +} diff --git a/source3/lib/md5.c b/source3/lib/md5.c new file mode 100644 index 0000000000..cff7bef034 --- /dev/null +++ b/source3/lib/md5.c @@ -0,0 +1,315 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Copyright (C) Andrew Tridgell 1992-1999 + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* This code has been heavily hacked by Tatu Ylonen to + make it compile on machines like Cray that don't have a 32 bit integer + type. */ +/* + * This code implements the MD5 message-digest algorithm. + * The algorithm is due to Ron Rivest. This code was + * written by Colin Plumb in 1993, no copyright is claimed. + * This code is in the public domain; do with it what you wish. + * + * Equivalent code is available from RSA Data Security, Inc. + * This code has been tested against that, and is equivalent, + * except that you don't need to include two pages of legalese + * with every copy. + * + * To compute the message digest of a chunk of bytes, declare an + * MD5Context structure, pass it to MD5Init, call MD5Update as + * needed on buffers full of bytes, and then call MD5Final, which + * will fill a supplied 16-byte array with the digest. + */ + +#include "includes.h" + +#ifndef _GETPUT_H +/* + +getput.h + +Author: Tatu Ylonen + +Copyright (c) 1995 Tatu Ylonen , Espoo, Finland + All rights reserved + +Created: Wed Jun 28 22:36:30 1995 ylo + +Macros for storing and retrieving data in msb first and lsb first order. + +*/ + +/*------------ macros for storing/extracting msb first words -------------*/ + +#define GET_32BIT(cp) (((uint32)(uchar)(cp)[0] << 24) | \ + ((uint32)(uchar)(cp)[1] << 16) | \ + ((uint32)(uchar)(cp)[2] << 8) | \ + ((uint32)(uchar)(cp)[3])) + +#define GET_16BIT(cp) (((uint32)(uchar)(cp)[0] << 8) | \ + ((uint32)(uchar)(cp)[1])) + +#define PUT_32BIT(cp, value) do { \ + (cp)[0] = (value) >> 24; \ + (cp)[1] = (value) >> 16; \ + (cp)[2] = (value) >> 8; \ + (cp)[3] = (value); } while (0) + +#define PUT_16BIT(cp, value) do { \ + (cp)[0] = (value) >> 8; \ + (cp)[1] = (value); } while (0) + +/*------------ macros for storing/extracting lsb first words -------------*/ + +#define GET_32BIT_LSB_FIRST(cp) \ + (((uint32)(uchar)(cp)[0]) | \ + ((uint32)(uchar)(cp)[1] << 8) | \ + ((uint32)(uchar)(cp)[2] << 16) | \ + ((uint32)(uchar)(cp)[3] << 24)) + +#define GET_16BIT_LSB_FIRST(cp) \ + (((uint32)(uchar)(cp)[0]) | \ + ((uint32)(uchar)(cp)[1] << 8)) + +#define PUT_32BIT_LSB_FIRST(cp, value) do { \ + (cp)[0] = (value); \ + (cp)[1] = (value) >> 8; \ + (cp)[2] = (value) >> 16; \ + (cp)[3] = (value) >> 24; } while (0) + +#define PUT_16BIT_LSB_FIRST(cp, value) do { \ + (cp)[0] = (value); \ + (cp)[1] = (value) >> 8; } while (0) + +#endif /* _GETPUT_H */ + +/* + * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious + * initialization constants. + */ +void MD5Init(struct MD5Context *ctx) +{ + ctx->buf[0] = 0x67452301; + ctx->buf[1] = 0xefcdab89; + ctx->buf[2] = 0x98badcfe; + ctx->buf[3] = 0x10325476; + + ctx->bits[0] = 0; + ctx->bits[1] = 0; +} + +/* + * Update context to reflect the concatenation of another buffer full + * of bytes. + */ +void MD5Update(struct MD5Context *ctx, uchar const *buf, unsigned len) +{ + uint32 t; + + /* Update bitcount */ + + t = ctx->bits[0]; + if ((ctx->bits[0] = (t + ((uint32)len << 3)) & 0xffffffff) < t) + ctx->bits[1]++; /* Carry from low to high */ + ctx->bits[1] += len >> 29; + + t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ + + /* Handle any leading odd-sized chunks */ + + if (t) { + uchar *p = ctx->in + t; + + t = 64 - t; + if (len < t) { + memcpy(p, buf, len); + return; + } + memcpy(p, buf, t); + MD5Transform(ctx->buf, ctx->in); + buf += t; + len -= t; + } + /* Process data in 64-byte chunks */ + + while (len >= 64) { + memcpy(ctx->in, buf, 64); + MD5Transform(ctx->buf, ctx->in); + buf += 64; + len -= 64; + } + + /* Handle any remaining bytes of data. */ + + memcpy(ctx->in, buf, len); +} + +/* + * Final wrapup - pad to 64-byte boundary with the bit pattern + * 1 0* (64-bit count of bits processed, MSB-first) + */ +void MD5Final(uchar digest[16], struct MD5Context *ctx) +{ + unsigned count; + uchar *p; + + /* Compute number of bytes mod 64 */ + count = (ctx->bits[0] >> 3) & 0x3F; + + /* Set the first char of padding to 0x80. This is safe since there is + always at least one byte free */ + p = ctx->in + count; + *p++ = 0x80; + + /* 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); + MD5Transform(ctx->buf, ctx->in); + + /* Now fill the next block with 56 bytes */ + memset(ctx->in, 0, 56); + } else { + /* Pad block to 56 bytes */ + memset(p, 0, count - 8); + } + + /* Append length in bits and transform */ + PUT_32BIT_LSB_FIRST(ctx->in + 56, ctx->bits[0]); + PUT_32BIT_LSB_FIRST(ctx->in + 60, ctx->bits[1]); + + MD5Transform(ctx->buf, ctx->in); + PUT_32BIT_LSB_FIRST(digest, ctx->buf[0]); + PUT_32BIT_LSB_FIRST(digest + 4, ctx->buf[1]); + PUT_32BIT_LSB_FIRST(digest + 8, ctx->buf[2]); + PUT_32BIT_LSB_FIRST(digest + 12, ctx->buf[3]); + memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */ +} + +#ifndef ASM_MD5 + +/* The four core functions - F1 is optimized somewhat */ + +/* #define F1(x, y, z) (x & y | ~x & z) */ +#define F1(x, y, z) (z ^ (x & (y ^ z))) +#define F2(x, y, z) F1(z, x, y) +#define F3(x, y, z) (x ^ y ^ z) +#define F4(x, y, z) (y ^ (x | ~z)) + +/* This is the central step in the MD5 algorithm. */ +#define MD5STEP(f, w, x, y, z, data, s) \ + ( w += f(x, y, z) + data, w = w<>(32-s), w += x ) + +/* + * The core of the MD5 algorithm, this alters an existing MD5 hash to + * reflect the addition of 16 longwords of new data. MD5Update blocks + * the data and converts bytes into longwords for this routine. + */ +void MD5Transform(uint32 buf[4], const uchar inext[64]) +{ + register uint32 a, b, c, d, i; + uint32 in[16]; + + for (i = 0; i < 16; i++) + in[i] = GET_32BIT_LSB_FIRST(inext + 4 * i); + + a = buf[0]; + b = buf[1]; + c = buf[2]; + d = buf[3]; + + MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); + MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); + MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); + MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); + MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); + MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); + MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); + MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); + MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); + MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); + MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); + MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); + MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); + MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); + MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); + MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); + + MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); + MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); + MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); + MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); + MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); + MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); + MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); + MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); + MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); + MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); + MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); + MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); + MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); + MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); + MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); + MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); + + MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); + MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); + MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); + MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); + MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); + MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); + MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); + MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); + MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); + MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); + MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); + MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); + MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); + MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); + MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); + MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); + + MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); + MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); + MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); + MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); + MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); + MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); + MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); + MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); + MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); + MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); + MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); + MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); + MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); + MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); + MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); + MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); + + buf[0] += a; + buf[1] += b; + buf[2] += c; + buf[3] += d; +} + +#endif -- cgit