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Re: pkg netlist


From: David Bateman
Subject: Re: pkg netlist
Date: Thu, 01 Mar 2007 17:46:44 +0100
User-agent: Thunderbird 1.5.0.7 (X11/20060921)

John W. Eaton wrote:
> On 28-Feb-2007, David Bateman wrote:
>
> | John W. Eaton wrote:
> | > It's fine with me if you add that.  My only question is whether
> | > md5.{h,c} files are the best to use, mostly from a licensing point of
> | > view.  Are there any implementations available that are GPL?
> | >   
> | I went to the source and took the sample implementation of the RSA
> | themselves, also the license seems to be GPL compatible to me. However,
> | we could always take the code from the gnu coreutils themselves. Note
> | that md5.{c,h} in the coreutils are autogenerated in recent
> | versions,
>
> What do you mean by autogenerated?  It looks to me like they come from
> gnulib.
>
> | John, can state whether you want a C++ implementation of MD5 and if a C
> | implementation is ok, can you pick one of the above implementations?
>
> It doesn't need to be in C++.
>
> jwe
>
>   
Ok, then consider the attached patch. It uses the md5 implementation for
the sourceforge libmd5-rfc project which is an independent
implementation of RFC1321. Funny thing is that python removed the RSA
code you objected to last year and replaced with this version for the
same reasons as you objected to the RSA code..

octave:1> md5sum("test string\n")
ans = f299060e0383392ebeac64b714eca7e3

% echo "test string" > foo; md5sum foo
f299060e0383392ebeac64b714eca7e3  foo

Shows that the code works.. The code is worked up as a patch against the
CVS.

Regards
David


-- 
David Bateman                                address@hidden
Motorola Labs - Paris                        +33 1 69 35 48 04 (Ph) 
Parc Les Algorithmes, Commune de St Aubin    +33 6 72 01 06 33 (Mob) 
91193 Gif-Sur-Yvette FRANCE                  +33 1 69 35 77 01 (Fax) 

The information contained in this communication has been classified as: 

[x] General Business Information 
[ ] Motorola Internal Use Only 
[ ] Motorola Confidential Proprietary

*** ./liboctave/md5.h.orig50    2007-03-01 16:39:55.495560571 +0100
--- ./liboctave/md5.h   2007-03-01 16:37:51.160792272 +0100
***************
*** 0 ****
--- 1,91 ----
+ /*
+   Copyright (C) 1999, 2002 Aladdin Enterprises.  All rights reserved.
+ 
+   This software is provided 'as-is', without any express or implied
+   warranty.  In no event will the authors be held liable for any damages
+   arising from the use of this software.
+ 
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+ 
+   1. The origin of this software must not be misrepresented; you must not
+      claim that you wrote the original software. If you use this software
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original software.
+   3. This notice may not be removed or altered from any source distribution.
+ 
+   L. Peter Deutsch
+   address@hidden
+ 
+  */
+ /* $Id$ */
+ /*
+   Independent implementation of MD5 (RFC 1321).
+ 
+   This code implements the MD5 Algorithm defined in RFC 1321, whose
+   text is available at
+       http://www.ietf.org/rfc/rfc1321.txt
+   The code is derived from the text of the RFC, including the test suite
+   (section A.5) but excluding the rest of Appendix A.  It does not include
+   any code or documentation that is identified in the RFC as being
+   copyrighted.
+ 
+   The original and principal author of md5.h is L. Peter Deutsch
+   <address@hidden>.  Other authors are noted in the change history
+   that follows (in reverse chronological order):
+ 
+   2002-04-13 lpd Removed support for non-ANSI compilers; removed
+       references to Ghostscript; clarified derivation from RFC 1321;
+       now handles byte order either statically or dynamically.
+   1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
+   1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5);
+       added conditionalization for C++ compilation from Martin
+       Purschke <address@hidden>.
+   1999-05-03 lpd Original version.
+  */
+ 
+ #ifndef md5_INCLUDED
+ #  define md5_INCLUDED
+ 
+ /*
+  * This package supports both compile-time and run-time determination of CPU
+  * byte order.  If ARCH_IS_BIG_ENDIAN is defined as 0, the code will be
+  * compiled to run only on little-endian CPUs; if ARCH_IS_BIG_ENDIAN is
+  * defined as non-zero, the code will be compiled to run only on big-endian
+  * CPUs; if ARCH_IS_BIG_ENDIAN is not defined, the code will be compiled to
+  * run on either big- or little-endian CPUs, but will run slightly less
+  * efficiently on either one than if ARCH_IS_BIG_ENDIAN is defined.
+  */
+ 
+ typedef unsigned char md5_byte_t; /* 8-bit byte */
+ typedef unsigned int md5_word_t; /* 32-bit word */
+ 
+ /* Define the state of the MD5 Algorithm. */
+ typedef struct md5_state_s {
+     md5_word_t count[2];      /* message length in bits, lsw first */
+     md5_word_t abcd[4];               /* digest buffer */
+     md5_byte_t buf[64];               /* accumulate block */
+ } md5_state_t;
+ 
+ #ifdef __cplusplus
+ extern "C" 
+ {
+ #endif
+ 
+ /* Initialize the algorithm. */
+ void md5_init(md5_state_t *pms);
+ 
+ /* Append a string to the message. */
+ void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes);
+ 
+ /* Finish the message and return the digest. */
+ void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);
+ 
+ #ifdef __cplusplus
+ }  /* end extern "C" */
+ #endif
+ 
+ #endif /* md5_INCLUDED */
*** ./liboctave/md5.c.orig50    2007-03-01 16:39:57.480460974 +0100
--- ./liboctave/md5.c   2007-03-01 16:37:51.160792272 +0100
***************
*** 0 ****
--- 1,381 ----
+ /*
+   Copyright (C) 1999, 2000, 2002 Aladdin Enterprises.  All rights reserved.
+ 
+   This software is provided 'as-is', without any express or implied
+   warranty.  In no event will the authors be held liable for any damages
+   arising from the use of this software.
+ 
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+ 
+   1. The origin of this software must not be misrepresented; you must not
+      claim that you wrote the original software. If you use this software
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original software.
+   3. This notice may not be removed or altered from any source distribution.
+ 
+   L. Peter Deutsch
+   address@hidden
+ 
+  */
+ /* $Id: md5.c,v 1.6 2002/04/13 19:20:28 lpd Exp $ */
+ /*
+   Independent implementation of MD5 (RFC 1321).
+ 
+   This code implements the MD5 Algorithm defined in RFC 1321, whose
+   text is available at
+       http://www.ietf.org/rfc/rfc1321.txt
+   The code is derived from the text of the RFC, including the test suite
+   (section A.5) but excluding the rest of Appendix A.  It does not include
+   any code or documentation that is identified in the RFC as being
+   copyrighted.
+ 
+   The original and principal author of md5.c is L. Peter Deutsch
+   <address@hidden>.  Other authors are noted in the change history
+   that follows (in reverse chronological order):
+ 
+   2002-04-13 lpd Clarified derivation from RFC 1321; now handles byte order
+       either statically or dynamically; added missing #include <string.h>
+       in library.
+   2002-03-11 lpd Corrected argument list for main(), and added int return
+       type, in test program and T value program.
+   2002-02-21 lpd Added missing #include <stdio.h> in test program.
+   2000-07-03 lpd Patched to eliminate warnings about "constant is
+       unsigned in ANSI C, signed in traditional"; made test program
+       self-checking.
+   1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
+   1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5).
+   1999-05-03 lpd Original version.
+  */
+ 
+ #include "md5.h"
+ #include <string.h>
+ 
+ #undef BYTE_ORDER     /* 1 = big-endian, -1 = little-endian, 0 = unknown */
+ #ifdef ARCH_IS_BIG_ENDIAN
+ #  define BYTE_ORDER (ARCH_IS_BIG_ENDIAN ? 1 : -1)
+ #else
+ #  define BYTE_ORDER 0
+ #endif
+ 
+ #define T_MASK ((md5_word_t)~0)
+ #define T1 /* 0xd76aa478 */ (T_MASK ^ 0x28955b87)
+ #define T2 /* 0xe8c7b756 */ (T_MASK ^ 0x173848a9)
+ #define T3    0x242070db
+ #define T4 /* 0xc1bdceee */ (T_MASK ^ 0x3e423111)
+ #define T5 /* 0xf57c0faf */ (T_MASK ^ 0x0a83f050)
+ #define T6    0x4787c62a
+ #define T7 /* 0xa8304613 */ (T_MASK ^ 0x57cfb9ec)
+ #define T8 /* 0xfd469501 */ (T_MASK ^ 0x02b96afe)
+ #define T9    0x698098d8
+ #define T10 /* 0x8b44f7af */ (T_MASK ^ 0x74bb0850)
+ #define T11 /* 0xffff5bb1 */ (T_MASK ^ 0x0000a44e)
+ #define T12 /* 0x895cd7be */ (T_MASK ^ 0x76a32841)
+ #define T13    0x6b901122
+ #define T14 /* 0xfd987193 */ (T_MASK ^ 0x02678e6c)
+ #define T15 /* 0xa679438e */ (T_MASK ^ 0x5986bc71)
+ #define T16    0x49b40821
+ #define T17 /* 0xf61e2562 */ (T_MASK ^ 0x09e1da9d)
+ #define T18 /* 0xc040b340 */ (T_MASK ^ 0x3fbf4cbf)
+ #define T19    0x265e5a51
+ #define T20 /* 0xe9b6c7aa */ (T_MASK ^ 0x16493855)
+ #define T21 /* 0xd62f105d */ (T_MASK ^ 0x29d0efa2)
+ #define T22    0x02441453
+ #define T23 /* 0xd8a1e681 */ (T_MASK ^ 0x275e197e)
+ #define T24 /* 0xe7d3fbc8 */ (T_MASK ^ 0x182c0437)
+ #define T25    0x21e1cde6
+ #define T26 /* 0xc33707d6 */ (T_MASK ^ 0x3cc8f829)
+ #define T27 /* 0xf4d50d87 */ (T_MASK ^ 0x0b2af278)
+ #define T28    0x455a14ed
+ #define T29 /* 0xa9e3e905 */ (T_MASK ^ 0x561c16fa)
+ #define T30 /* 0xfcefa3f8 */ (T_MASK ^ 0x03105c07)
+ #define T31    0x676f02d9
+ #define T32 /* 0x8d2a4c8a */ (T_MASK ^ 0x72d5b375)
+ #define T33 /* 0xfffa3942 */ (T_MASK ^ 0x0005c6bd)
+ #define T34 /* 0x8771f681 */ (T_MASK ^ 0x788e097e)
+ #define T35    0x6d9d6122
+ #define T36 /* 0xfde5380c */ (T_MASK ^ 0x021ac7f3)
+ #define T37 /* 0xa4beea44 */ (T_MASK ^ 0x5b4115bb)
+ #define T38    0x4bdecfa9
+ #define T39 /* 0xf6bb4b60 */ (T_MASK ^ 0x0944b49f)
+ #define T40 /* 0xbebfbc70 */ (T_MASK ^ 0x4140438f)
+ #define T41    0x289b7ec6
+ #define T42 /* 0xeaa127fa */ (T_MASK ^ 0x155ed805)
+ #define T43 /* 0xd4ef3085 */ (T_MASK ^ 0x2b10cf7a)
+ #define T44    0x04881d05
+ #define T45 /* 0xd9d4d039 */ (T_MASK ^ 0x262b2fc6)
+ #define T46 /* 0xe6db99e5 */ (T_MASK ^ 0x1924661a)
+ #define T47    0x1fa27cf8
+ #define T48 /* 0xc4ac5665 */ (T_MASK ^ 0x3b53a99a)
+ #define T49 /* 0xf4292244 */ (T_MASK ^ 0x0bd6ddbb)
+ #define T50    0x432aff97
+ #define T51 /* 0xab9423a7 */ (T_MASK ^ 0x546bdc58)
+ #define T52 /* 0xfc93a039 */ (T_MASK ^ 0x036c5fc6)
+ #define T53    0x655b59c3
+ #define T54 /* 0x8f0ccc92 */ (T_MASK ^ 0x70f3336d)
+ #define T55 /* 0xffeff47d */ (T_MASK ^ 0x00100b82)
+ #define T56 /* 0x85845dd1 */ (T_MASK ^ 0x7a7ba22e)
+ #define T57    0x6fa87e4f
+ #define T58 /* 0xfe2ce6e0 */ (T_MASK ^ 0x01d3191f)
+ #define T59 /* 0xa3014314 */ (T_MASK ^ 0x5cfebceb)
+ #define T60    0x4e0811a1
+ #define T61 /* 0xf7537e82 */ (T_MASK ^ 0x08ac817d)
+ #define T62 /* 0xbd3af235 */ (T_MASK ^ 0x42c50dca)
+ #define T63    0x2ad7d2bb
+ #define T64 /* 0xeb86d391 */ (T_MASK ^ 0x14792c6e)
+ 
+ 
+ static void
+ md5_process(md5_state_t *pms, const md5_byte_t *data /*[64]*/)
+ {
+     md5_word_t
+       a = pms->abcd[0], b = pms->abcd[1],
+       c = pms->abcd[2], d = pms->abcd[3];
+     md5_word_t t;
+ #if BYTE_ORDER > 0
+     /* Define storage only for big-endian CPUs. */
+     md5_word_t X[16];
+ #else
+     /* Define storage for little-endian or both types of CPUs. */
+     md5_word_t xbuf[16];
+     const md5_word_t *X;
+ #endif
+ 
+     {
+ #if BYTE_ORDER == 0
+       /*
+        * Determine dynamically whether this is a big-endian or
+        * little-endian machine, since we can use a more efficient
+        * algorithm on the latter.
+        */
+       static const int w = 1;
+ 
+       if (*((const md5_byte_t *)&w)) /* dynamic little-endian */
+ #endif
+ #if BYTE_ORDER <= 0           /* little-endian */
+       {
+           /*
+            * On little-endian machines, we can process properly aligned
+            * data without copying it.
+            */
+           if (!((data - (const md5_byte_t *)0) & 3)) {
+               /* data are properly aligned */
+               X = (const md5_word_t *)data;
+           } else {
+               /* not aligned */
+               memcpy(xbuf, data, 64);
+               X = xbuf;
+           }
+       }
+ #endif
+ #if BYTE_ORDER == 0
+       else                    /* dynamic big-endian */
+ #endif
+ #if BYTE_ORDER >= 0           /* big-endian */
+       {
+           /*
+            * On big-endian machines, we must arrange the bytes in the
+            * right order.
+            */
+           const md5_byte_t *xp = data;
+           int i;
+ 
+ #  if BYTE_ORDER == 0
+           X = xbuf;           /* (dynamic only) */
+ #  else
+ #    define xbuf X            /* (static only) */
+ #  endif
+           for (i = 0; i < 16; ++i, xp += 4)
+               xbuf[i] = xp[0] + (xp[1] << 8) + (xp[2] << 16) + (xp[3] << 24);
+       }
+ #endif
+     }
+ 
+ #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
+ 
+     /* Round 1. */
+     /* Let [abcd k s i] denote the operation
+        a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
+ #define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
+ #define SET(a, b, c, d, k, s, Ti)\
+   t = a + F(b,c,d) + X[k] + Ti;\
+   a = ROTATE_LEFT(t, s) + b
+     /* Do the following 16 operations. */
+     SET(a, b, c, d,  0,  7,  T1);
+     SET(d, a, b, c,  1, 12,  T2);
+     SET(c, d, a, b,  2, 17,  T3);
+     SET(b, c, d, a,  3, 22,  T4);
+     SET(a, b, c, d,  4,  7,  T5);
+     SET(d, a, b, c,  5, 12,  T6);
+     SET(c, d, a, b,  6, 17,  T7);
+     SET(b, c, d, a,  7, 22,  T8);
+     SET(a, b, c, d,  8,  7,  T9);
+     SET(d, a, b, c,  9, 12, T10);
+     SET(c, d, a, b, 10, 17, T11);
+     SET(b, c, d, a, 11, 22, T12);
+     SET(a, b, c, d, 12,  7, T13);
+     SET(d, a, b, c, 13, 12, T14);
+     SET(c, d, a, b, 14, 17, T15);
+     SET(b, c, d, a, 15, 22, T16);
+ #undef SET
+ 
+      /* Round 2. */
+      /* Let [abcd k s i] denote the operation
+           a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
+ #define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
+ #define SET(a, b, c, d, k, s, Ti)\
+   t = a + G(b,c,d) + X[k] + Ti;\
+   a = ROTATE_LEFT(t, s) + b
+      /* Do the following 16 operations. */
+     SET(a, b, c, d,  1,  5, T17);
+     SET(d, a, b, c,  6,  9, T18);
+     SET(c, d, a, b, 11, 14, T19);
+     SET(b, c, d, a,  0, 20, T20);
+     SET(a, b, c, d,  5,  5, T21);
+     SET(d, a, b, c, 10,  9, T22);
+     SET(c, d, a, b, 15, 14, T23);
+     SET(b, c, d, a,  4, 20, T24);
+     SET(a, b, c, d,  9,  5, T25);
+     SET(d, a, b, c, 14,  9, T26);
+     SET(c, d, a, b,  3, 14, T27);
+     SET(b, c, d, a,  8, 20, T28);
+     SET(a, b, c, d, 13,  5, T29);
+     SET(d, a, b, c,  2,  9, T30);
+     SET(c, d, a, b,  7, 14, T31);
+     SET(b, c, d, a, 12, 20, T32);
+ #undef SET
+ 
+      /* Round 3. */
+      /* Let [abcd k s t] denote the operation
+           a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
+ #define H(x, y, z) ((x) ^ (y) ^ (z))
+ #define SET(a, b, c, d, k, s, Ti)\
+   t = a + H(b,c,d) + X[k] + Ti;\
+   a = ROTATE_LEFT(t, s) + b
+      /* Do the following 16 operations. */
+     SET(a, b, c, d,  5,  4, T33);
+     SET(d, a, b, c,  8, 11, T34);
+     SET(c, d, a, b, 11, 16, T35);
+     SET(b, c, d, a, 14, 23, T36);
+     SET(a, b, c, d,  1,  4, T37);
+     SET(d, a, b, c,  4, 11, T38);
+     SET(c, d, a, b,  7, 16, T39);
+     SET(b, c, d, a, 10, 23, T40);
+     SET(a, b, c, d, 13,  4, T41);
+     SET(d, a, b, c,  0, 11, T42);
+     SET(c, d, a, b,  3, 16, T43);
+     SET(b, c, d, a,  6, 23, T44);
+     SET(a, b, c, d,  9,  4, T45);
+     SET(d, a, b, c, 12, 11, T46);
+     SET(c, d, a, b, 15, 16, T47);
+     SET(b, c, d, a,  2, 23, T48);
+ #undef SET
+ 
+      /* Round 4. */
+      /* Let [abcd k s t] denote the operation
+           a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
+ #define I(x, y, z) ((y) ^ ((x) | ~(z)))
+ #define SET(a, b, c, d, k, s, Ti)\
+   t = a + I(b,c,d) + X[k] + Ti;\
+   a = ROTATE_LEFT(t, s) + b
+      /* Do the following 16 operations. */
+     SET(a, b, c, d,  0,  6, T49);
+     SET(d, a, b, c,  7, 10, T50);
+     SET(c, d, a, b, 14, 15, T51);
+     SET(b, c, d, a,  5, 21, T52);
+     SET(a, b, c, d, 12,  6, T53);
+     SET(d, a, b, c,  3, 10, T54);
+     SET(c, d, a, b, 10, 15, T55);
+     SET(b, c, d, a,  1, 21, T56);
+     SET(a, b, c, d,  8,  6, T57);
+     SET(d, a, b, c, 15, 10, T58);
+     SET(c, d, a, b,  6, 15, T59);
+     SET(b, c, d, a, 13, 21, T60);
+     SET(a, b, c, d,  4,  6, T61);
+     SET(d, a, b, c, 11, 10, T62);
+     SET(c, d, a, b,  2, 15, T63);
+     SET(b, c, d, a,  9, 21, T64);
+ #undef SET
+ 
+      /* Then perform the following additions. (That is increment each
+         of the four registers by the value it had before this block
+         was started.) */
+     pms->abcd[0] += a;
+     pms->abcd[1] += b;
+     pms->abcd[2] += c;
+     pms->abcd[3] += d;
+ }
+ 
+ void
+ md5_init(md5_state_t *pms)
+ {
+     pms->count[0] = pms->count[1] = 0;
+     pms->abcd[0] = 0x67452301;
+     pms->abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476;
+     pms->abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301;
+     pms->abcd[3] = 0x10325476;
+ }
+ 
+ void
+ md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes)
+ {
+     const md5_byte_t *p = data;
+     int left = nbytes;
+     int offset = (pms->count[0] >> 3) & 63;
+     md5_word_t nbits = (md5_word_t)(nbytes << 3);
+ 
+     if (nbytes <= 0)
+       return;
+ 
+     /* Update the message length. */
+     pms->count[1] += nbytes >> 29;
+     pms->count[0] += nbits;
+     if (pms->count[0] < nbits)
+       pms->count[1]++;
+ 
+     /* Process an initial partial block. */
+     if (offset) {
+       int copy = (offset + nbytes > 64 ? 64 - offset : nbytes);
+ 
+       memcpy(pms->buf + offset, p, copy);
+       if (offset + copy < 64)
+           return;
+       p += copy;
+       left -= copy;
+       md5_process(pms, pms->buf);
+     }
+ 
+     /* Process full blocks. */
+     for (; left >= 64; p += 64, left -= 64)
+       md5_process(pms, p);
+ 
+     /* Process a final partial block. */
+     if (left)
+       memcpy(pms->buf, p, left);
+ }
+ 
+ void
+ md5_finish(md5_state_t *pms, md5_byte_t digest[16])
+ {
+     static const md5_byte_t pad[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
+     };
+     md5_byte_t data[8];
+     int i;
+ 
+     /* Save the length before padding. */
+     for (i = 0; i < 8; ++i)
+       data[i] = (md5_byte_t)(pms->count[i >> 2] >> ((i & 3) << 3));
+     /* Pad to 56 bytes mod 64. */
+     md5_append(pms, pad, ((55 - (pms->count[0] >> 3)) & 63) + 1);
+     /* Append the length. */
+     md5_append(pms, data, 8);
+     for (i = 0; i < 16; ++i)
+       digest[i] = (md5_byte_t)(pms->abcd[i >> 2] >> ((i & 3) << 3));
+ }
*** ./liboctave/Makefile.in.orig50      2007-03-01 16:40:20.457307804 +0100
--- ./liboctave/Makefile.in     2007-03-01 16:48:19.082120558 +0100
***************
*** 67,75 ****
        data-conv.h dir-ops.h file-ops.h file-stat.h getopt.h \
        glob-match.h idx-vector.h kpse-xfns.h \
        lo-ieee.h lo-mappers.h lo-specfun.h \
!       lo-sysdep.h lo-utils.h mach-info.h oct-alloc.h oct-cmplx.h \
        oct-env.h oct-fftw.h oct-getopt.h oct-group.h oct-inttypes.h \
!       oct-passwd.h oct-rand.h oct-rl-edit.h oct-rl-hist.h \
        oct-shlib.h oct-sort.h oct-spparms.h oct-syscalls.h \
        oct-sparse.h oct-time.h oct-types.h oct-uname.h \
        pathlen.h pathsearch.h prog-args.h \
--- 67,75 ----
        data-conv.h dir-ops.h file-ops.h file-stat.h getopt.h \
        glob-match.h idx-vector.h kpse-xfns.h \
        lo-ieee.h lo-mappers.h lo-specfun.h \
!       lo-sysdep.h lo-utils.h mach-info.h md5.h oct-alloc.h oct-cmplx.h \
        oct-env.h oct-fftw.h oct-getopt.h oct-group.h oct-inttypes.h \
!       oct-md5.h oct-passwd.h oct-rand.h oct-rl-edit.h oct-rl-hist.h \
        oct-shlib.h oct-sort.h oct-spparms.h oct-syscalls.h \
        oct-sparse.h oct-time.h oct-types.h oct-uname.h \
        pathlen.h pathsearch.h prog-args.h \
***************
*** 121,128 ****
        file-ops.cc file-stat.cc glob-match.cc idx-vector.cc \
        lo-ieee.cc lo-mappers.cc lo-specfun.cc lo-sysdep.cc \
        lo-utils.cc mach-info.cc oct-alloc.cc oct-env.cc \
!       oct-fftw.cc oct-group.cc oct-passwd.cc oct-rand.cc oct-shlib.cc \
!       oct-spparms.cc oct-syscalls.cc oct-time.cc oct-uname.cc \
        prog-args.cc so-array.cc sparse-sort.cc sparse-util.cc str-vec.cc \
        $(TEMPLATE_SRC) \
        $(TI_SRC) \
--- 121,128 ----
        file-ops.cc file-stat.cc glob-match.cc idx-vector.cc \
        lo-ieee.cc lo-mappers.cc lo-specfun.cc lo-sysdep.cc \
        lo-utils.cc mach-info.cc oct-alloc.cc oct-env.cc \
!       oct-fftw.cc oct-group.cc oct-md5.cc oct-passwd.cc oct-rand.cc \
!       oct-shlib.cc oct-spparms.cc oct-syscalls.cc oct-time.cc oct-uname.cc \
        prog-args.cc so-array.cc sparse-sort.cc sparse-util.cc str-vec.cc \
        $(TEMPLATE_SRC) \
        $(TI_SRC) \
***************
*** 132,141 ****
        $(SPARSE_MX_OP_SRC)
  
  LIBOCTAVE_C_SOURCES := f2c-main.c filemode.c getopt.c getopt1.c \
!       lo-cieee.c lo-cutils.c mkdir.c oct-getopt.c \
        randgamma.c randmtzig.c randpoisson.c rename.c \
        rmdir.c strftime.c strptime.c strcasecmp.c strncase.c \
!       tempname.c tempnam.c \
  
  LIBOCTAVE_SOURCES := $(LIBOCTAVE_CXX_SOURCES) $(LIBOCTAVE_C_SOURCES)
  
--- 132,141 ----
        $(SPARSE_MX_OP_SRC)
  
  LIBOCTAVE_C_SOURCES := f2c-main.c filemode.c getopt.c getopt1.c \
!       lo-cieee.c lo-cutils.c md5.c mkdir.c oct-getopt.c \
        randgamma.c randmtzig.c randpoisson.c rename.c \
        rmdir.c strftime.c strptime.c strcasecmp.c strncase.c \
!       tempname.c tempnam.c
  
  LIBOCTAVE_SOURCES := $(LIBOCTAVE_CXX_SOURCES) $(LIBOCTAVE_C_SOURCES)
  
*** ./liboctave/oct-md5.cc.orig50       2007-03-01 16:40:10.777793659 +0100
--- ./liboctave/oct-md5.cc      2007-03-01 16:55:52.102964273 +0100
***************
*** 0 ****
--- 1,56 ----
+ /*
+ 
+ Copyright (C) 2007 David Bateman
+ 
+ This file is part of Octave.
+ 
+ Octave 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, or (at your option) any
+ later version.
+ 
+ Octave 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 Octave; see the file COPYING.  If not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ 
+ */
+ 
+ #include <string>
+ #include <vector>
+ 
+ #ifdef HAVE_CONFIG_H
+ #include "config.h"
+ #endif
+ 
+ #include "oct-md5.h"
+ #include "md5.h"
+  
+ std::string
+ oct_md5 (const std::string str)
+ {
+   md5_state_t state;
+ 
+   OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16);
+   md5_init (&state);
+   md5_append (&state, reinterpret_cast<const md5_byte_t *>(str.c_str()),
+             str.length());
+   md5_finish (&state, digest);
+ 
+   OCTAVE_LOCAL_BUFFER (char, tmp, 33);
+   for (octave_idx_type i = 0; i < 16; i++)
+     sprintf (&tmp[2*i], "%02x", digest[i]);
+   tmp[32] = 0;
+   return std::string (tmp);
+ }
+         
+ /*
+ ;;; Local Variables: ***
+ ;;; mode: C++ ***
+ ;;; End: ***
+ */
*** ./liboctave/oct-md5.h.orig50        2007-03-01 16:40:04.441111679 +0100
--- ./liboctave/oct-md5.h       2007-03-01 16:37:51.160792272 +0100
***************
*** 0 ****
--- 1,30 ----
+ /*
+ 
+ Copyright (C) 2007 David Bateman
+ 
+ This file is part of Octave.
+ 
+ Octave 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, or (at your option) any
+ later version.
+ 
+ Octave 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 Octave; see the file COPYING.  If not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ 
+ */
+ 
+ extern std::string oct_md5 (const std::string str);
+         
+ /*
+ ;;; Local Variables: ***
+ ;;; mode: C++ ***
+ ;;; End: ***
+ */
*** ./src/DLD-FUNCTIONS/md5sum.cc.orig50        2007-03-01 16:40:34.381608742 
+0100
--- ./src/DLD-FUNCTIONS/md5sum.cc       2007-03-01 16:56:02.824415239 +0100
***************
*** 0 ****
--- 1,55 ----
+ /*
+ 
+ Copyright (C) 2007 David Bateman
+ 
+ 
+ This file is part of Octave.
+ 
+ Octave 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, or (at your option) any
+ later version.
+ 
+ Octave 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 Octave; see the file COPYING.  If not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ 
+ */
+ 
+ #include <string>
+ #include <vector>
+ 
+ #ifdef HAVE_CONFIG_H
+ #include "config.h"
+ #endif
+ 
+ #include "defun-dld.h"
+ #include "oct-md5.h"
+ 
+ DEFUN_DLD (md5sum, args, nargout,
+    "-*- texinfo -*-\n\
+ @deftypefn {Loadable Function} {} md5sum (@var{str})\n\
+ Calculates the MD5 sum of the string @var{str}.\n\
+ @end deftypefn")
+ {
+   octave_value retval;
+   int nargin = args.length ();
+ 
+   if (nargin != 1)
+     print_usage();
+   else
+     {
+       std::string str = args(0).string_value();
+ 
+       if (!error_state)
+       retval = oct_md5 (str);
+     }
+ 
+   return retval;
+ }
*** ./src/Makefile.in.orig50    2007-03-01 16:40:26.677995520 +0100
--- ./src/Makefile.in   2007-03-01 16:49:34.404276478 +0100
***************
*** 53,59 ****
        fftn.cc fftw.cc filter.cc find.cc fsolve.cc \
        gammainc.cc gcd.cc getgrent.cc getpwent.cc getrusage.cc \
        givens.cc hess.cc interpn.cc inv.cc kron.cc lpsolve.cc lsode.cc \
!       lu.cc luinc.cc matrix_type.cc minmax.cc pinv.cc qr.cc \
        quad.cc qz.cc rand.cc regexp.cc schur.cc sort.cc sparse.cc \
        spchol.cc spdet.cc spfind.cc spkron.cc splu.cc spparms.cc spqr.cc \
        sqrtm.cc svd.cc syl.cc time.cc urlwrite.cc __contourc__.cc \
--- 53,59 ----
        fftn.cc fftw.cc filter.cc find.cc fsolve.cc \
        gammainc.cc gcd.cc getgrent.cc getpwent.cc getrusage.cc \
        givens.cc hess.cc interpn.cc inv.cc kron.cc lpsolve.cc lsode.cc \
!       lu.cc luinc.cc matrix_type.cc md5sum.cc minmax.cc pinv.cc qr.cc \
        quad.cc qz.cc rand.cc regexp.cc schur.cc sort.cc sparse.cc \
        spchol.cc spdet.cc spfind.cc spkron.cc splu.cc spparms.cc spqr.cc \
        sqrtm.cc svd.cc syl.cc time.cc urlwrite.cc __contourc__.cc \
2007-03-01  David Bateman  <address@hidden>

        * md5.h, md5.c: New files from libmd5-rfc sourceforge project for
        an independent implementation of RFC1321.
        * oct-md5.h, oct-md5: New files for treating std::string class
        with MD5.
        * Makefile.in (INCLUDES): Add md5.h and oct-md5.h
        (LIBOCTAVE_CXX_SOURCES): Add oct-md5.cc
        (LIBOCTAVE_C_SOURCES): Add md5.c
        
2007-03-01  David Bateman  <address@hidden>

        * DLD-FUNCTIONS/md5sum.cc: New file.
        * Makefile.in (DLD_XSRC): Add md5sum.cc

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