diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2009-03-20 07:49:33 +0000 |
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committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2009-03-20 07:49:33 +0000 |
commit | c38141ec3aa1e84b5ed195d2a6f9f944fa4bdbbf (patch) | |
tree | 551f794d0361baa6cb48b6dce007b1ecc8a510bd /Build/source/texk/web2c/luatexdir/luamd5 | |
parent | c813488f91d3e5e4ed45ec061a9aca493d389083 (diff) |
new build system
git-svn-id: svn://tug.org/texlive/trunk@12448 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/luamd5')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/makefile | 23 | ||||
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/md5.c | 209 | ||||
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/md5.h | 20 | ||||
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/md5.html | 122 | ||||
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/md5.lua | 22 | ||||
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/md5lib.c | 183 | ||||
-rw-r--r-- | Build/source/texk/web2c/luatexdir/luamd5/md5tests.lua | 78 |
7 files changed, 657 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luamd5/makefile b/Build/source/texk/web2c/luatexdir/luamd5/makefile new file mode 100644 index 00000000000..78ea7b7cb60 --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/makefile @@ -0,0 +1,23 @@ +# Location of Lua header files +LUA_DIR = /usr/local/include/ + +# Compilation parameters +CC = gcc +CWARNS = -Wall -Wmissing-prototypes -Wshadow -pedantic -Wpointer-arith -Wcast-align -Waggregate-return +CFLAGS = $(CONFIG) $(CWARNS) -ansi -O2 -I$(LUA_DIR) + + +# Files in this distribution +FILES = makefile \ + md5.c \ + md5lib.c \ + md5.h \ + md5.lua \ + md5.html \ + md5tests.lua + +# Rule to create shared library, to be used with `loadlib' (see also +# file `md5.lua') +md5 : md5.o md5lib.o + ld -o libmd5.so -shared md5.o md5lib.o + diff --git a/Build/source/texk/web2c/luatexdir/luamd5/md5.c b/Build/source/texk/web2c/luatexdir/luamd5/md5.c new file mode 100644 index 00000000000..7e630bfc46b --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/md5.c @@ -0,0 +1,209 @@ +/** +* $Id: md5.c,v 1.1 2000/11/09 19:19:59 roberto Exp $ +* Hash function MD5 +* @author Marcela Ozorio Suarez, Roberto I. +*/ + + +#include <string.h> + +#include "md5.h" + + +#define WORD 32 +#define MASK 0xFFFFFFFF +typedef unsigned long WORD32; + + +/** +* md5 hash function. +* @param message: aribtary string. +* @param len: message length. +* @param output: buffer to receive the hash value. Its size must be +* (at least) HASHSIZE. +*/ +void md5 (const char *message, long len, char *output); + + + +/* +** Realiza a rotacao no sentido horario dos bits da variavel 'D' do tipo WORD32. +** Os bits sao deslocados de 'num' posicoes +*/ +#define rotate(D, num) (D<<num) | (D>>(WORD-num)) + +/*Macros que definem operacoes relizadas pelo algoritmo md5 */ +#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)))) + + +/*vetor de numeros utilizados pelo algoritmo md5 para embaralhar bits */ +static const WORD32 T[64]={ + 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, + 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501, + 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, + 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, + 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, + 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8, + 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, + 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, + 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, + 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, + 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, + 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665, + 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, + 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1, + 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, + 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391 +}; + + +static void word32tobytes (const WORD32 *input, char *output) { + int j = 0; + while (j<4*4) { + WORD32 v = *input++; + output[j++] = (char)(v & 0xff); v >>= 8; + output[j++] = (char)(v & 0xff); v >>= 8; + output[j++] = (char)(v & 0xff); v >>= 8; + output[j++] = (char)(v & 0xff); + } +} + + +static void inic_digest(WORD32 *d) { + d[0] = 0x67452301; + d[1] = 0xEFCDAB89; + d[2] = 0x98BADCFE; + d[3] = 0x10325476; +} + + +/*funcao que implemeta os quatro passos principais do algoritmo MD5 */ +static void digest(const WORD32 *m, WORD32 *d) { + int j; + /*MD5 PASSO1 */ + for (j=0; j<4*4; j+=4) { + d[0] = d[0]+ F(d[1], d[2], d[3])+ m[j] + T[j]; d[0]=rotate(d[0], 7); + d[0]+=d[1]; + d[3] = d[3]+ F(d[0], d[1], d[2])+ m[(j)+1] + T[j+1]; d[3]=rotate(d[3], 12); + d[3]+=d[0]; + d[2] = d[2]+ F(d[3], d[0], d[1])+ m[(j)+2] + T[j+2]; d[2]=rotate(d[2], 17); + d[2]+=d[3]; + d[1] = d[1]+ F(d[2], d[3], d[0])+ m[(j)+3] + T[j+3]; d[1]=rotate(d[1], 22); + d[1]+=d[2]; + } + /*MD5 PASSO2 */ + for (j=0; j<4*4; j+=4) { + d[0] = d[0]+ G(d[1], d[2], d[3])+ m[(5*j+1)&0x0f] + T[(j-1)+17]; + d[0] = rotate(d[0],5); + d[0]+=d[1]; + d[3] = d[3]+ G(d[0], d[1], d[2])+ m[((5*(j+1)+1)&0x0f)] + T[(j+0)+17]; + d[3] = rotate(d[3], 9); + d[3]+=d[0]; + d[2] = d[2]+ G(d[3], d[0], d[1])+ m[((5*(j+2)+1)&0x0f)] + T[(j+1)+17]; + d[2] = rotate(d[2], 14); + d[2]+=d[3]; + d[1] = d[1]+ G(d[2], d[3], d[0])+ m[((5*(j+3)+1)&0x0f)] + T[(j+2)+17]; + d[1] = rotate(d[1], 20); + d[1]+=d[2]; + } + /*MD5 PASSO3 */ + for (j=0; j<4*4; j+=4) { + d[0] = d[0]+ H(d[1], d[2], d[3])+ m[(3*j+5)&0x0f] + T[(j-1)+33]; + d[0] = rotate(d[0], 4); + d[0]+=d[1]; + d[3] = d[3]+ H(d[0], d[1], d[2])+ m[(3*(j+1)+5)&0x0f] + T[(j+0)+33]; + d[3] = rotate(d[3], 11); + d[3]+=d[0]; + d[2] = d[2]+ H(d[3], d[0], d[1])+ m[(3*(j+2)+5)&0x0f] + T[(j+1)+33]; + d[2] = rotate(d[2], 16); + d[2]+=d[3]; + d[1] = d[1]+ H(d[2], d[3], d[0])+ m[(3*(j+3)+5)&0x0f] + T[(j+2)+33]; + d[1] = rotate(d[1], 23); + d[1]+=d[2]; + } + /*MD5 PASSO4 */ + for (j=0; j<4*4; j+=4) { + d[0] = d[0]+ I(d[1], d[2], d[3])+ m[(7*j)&0x0f] + T[(j-1)+49]; + d[0] = rotate(d[0], 6); + d[0]+=d[1]; + d[3] = d[3]+ I(d[0], d[1], d[2])+ m[(7*(j+1))&0x0f] + T[(j+0)+49]; + d[3] = rotate(d[3], 10); + d[3]+=d[0]; + d[2] = d[2]+ I(d[3], d[0], d[1])+ m[(7*(j+2))&0x0f] + T[(j+1)+49]; + d[2] = rotate(d[2], 15); + d[2]+=d[3]; + d[1] = d[1]+ I(d[2], d[3], d[0])+ m[(7*(j+3))&0x0f] + T[(j+2)+49]; + d[1] = rotate(d[1], 21); + d[1]+=d[2]; + } +} + + +static void bytestoword32 (WORD32 *x, const char *pt) { + int i; + for (i=0; i<16; i++) { + int j=i*4; + x[i] = (((WORD32)(unsigned char)pt[j+3] << 8 | + (WORD32)(unsigned char)pt[j+2]) << 8 | + (WORD32)(unsigned char)pt[j+1]) << 8 | + (WORD32)(unsigned char)pt[j]; + } + +} + + +static void put_length(WORD32 *x, long len) { + /* in bits! */ + x[14] = (WORD32)((len<<3) & MASK); + x[15] = (WORD32)(len>>(32-3) & 0x7); +} + + +/* +** returned status: +* 0 - normal message (full 64 bytes) +* 1 - enough room for 0x80, but not for message length (two 4-byte words) +* 2 - enough room for 0x80 plus message length (at least 9 bytes free) +*/ +static int converte (WORD32 *x, const char *pt, int num, int old_status) { + int new_status = 0; + char buff[64]; + if (num<64) { + memcpy(buff, pt, num); /* to avoid changing original string */ + memset(buff+num, 0, 64-num); + if (old_status == 0) + buff[num] = '\200'; + new_status = 1; + pt = buff; + } + bytestoword32(x, pt); + if (num <= (64 - 9)) + new_status = 2; + return new_status; +} + + + +void md5 (const char *message, long len, char *output) { + WORD32 d[4]; + int status = 0; + long i = 0; + inic_digest(d); + while (status != 2) { + WORD32 d_old[4]; + WORD32 wbuff[16]; + int numbytes = (len-i >= 64) ? 64 : len-i; + /*salva os valores do vetor digest*/ + d_old[0]=d[0]; d_old[1]=d[1]; d_old[2]=d[2]; d_old[3]=d[3]; + status = converte(wbuff, message+i, numbytes, status); + if (status == 2) put_length(wbuff, len); + digest(wbuff, d); + d[0]+=d_old[0]; d[1]+=d_old[1]; d[2]+=d_old[2]; d[3]+=d_old[3]; + i += numbytes; + } + word32tobytes(d, output); +} + diff --git a/Build/source/texk/web2c/luatexdir/luamd5/md5.h b/Build/source/texk/web2c/luatexdir/luamd5/md5.h new file mode 100644 index 00000000000..80d43f72687 --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/md5.h @@ -0,0 +1,20 @@ +/** +* $Id: md5.h,v 1.2 2003/04/28 16:25:44 roberto Exp $ +* Cryptographic module for Lua. +* @author Roberto Ierusalimschy +*/ + + +#ifndef md5_h +#define md5_h + +#include <lua.h> + + +#define HASHSIZE 16 + +void md5 (const char *message, long len, char *output); +int luaopen_md5 (lua_State *L); + + +#endif diff --git a/Build/source/texk/web2c/luatexdir/luamd5/md5.html b/Build/source/texk/web2c/luatexdir/luamd5/md5.html new file mode 100644 index 00000000000..1f47c971286 --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/md5.html @@ -0,0 +1,122 @@ +<html><body> +<h1>Cryptographic Library for Lua 5.0</h1> + +<p> +This library offers basic cryptographic facilities for Lua 5.0: +a hash (digest) function, an a pair crypt/decrypt. +(<a href=md5.tar.gz>download</a>) + + +<h2>Lua API</h2> + +All functions are registered inside a table <code>md5</code>. + +<ul> + +<li><code>md5.sum (message)</code> +<p> +Computes the MD5 message-digest of the string <code>message</code>. +This function takes as input a message of arbitrary length and content +and returns as output a 128-bit "fingerprint" (or "message digest") +of the input. +The output is formated as a binary string with 16 characters. +It is conjectured that it is computationally infeasible to produce +two messages having the same message digest, or to produce any +message having a given pre-specified target message digest. +(see <a href="ftp://ftp.isi.edu/in-notes/rfc1321.txt"> +RFC 1321</a>) +<p> + +<li><code>md5.sumhexa (message)</code> +<p> +Similar to <code>md5.sum</code>, +but returns its value as a string of 32 hexadecimal digits. + +<li><code>md5.crypt (message, key [,seed])</code> +<p> +Encrypts a string, using MD5 in CFB (Cipher-feedback mode). +<code>message</code> is an arbitrary binary string to be encrypted. +<code>key</code> is an arbitrary binary string to be used as a key. +<code>seed</code> is an arbitrary binary string to be used as a seed; +Returns the cyphertext (as a binary string). + +<p> +If no seed is provided, +the function uses the result of <code>os.time()</code> as a seed. +It is recommended that you use different seeds for each message; +the seed itself is not private, and should contain no private data, +because it goes plain in the beginning of the encrypted message. + +<p> +The length of the cyphertext is the length of the message plus the +length of the seed plus one. +<p> + +<li><code>md5.decrypt (message, key)</code> +<p> +Decrypts a string. +The input <code>message</code> must be the result of a previous call +to <code>crypt</code>. +For any <code>msg</code>, <code>key</code>, +and <code>seed</code>, we have that +<pre> + md5.decrypt(md5.crypt(msg, key, seed), key) == msg +</pre> +<p> + +<li><code>md5.exor (s1, s2)</code> +<p> +Does a bit-a-bit exclusive or of strings <code>s1</code> and <code>s2</code>. +Both strings must have the same length, +which will be also the length of the resulting string. +<p> + +</ul> + + +<h2>C API</h2> + +The following functions are declared in <code>md5.h</code> +<ul> + +<li><code>int luaopen_md5 (lua_State *L);</code> +<p> +Opens the library: +Registers the above Lua functions in the given state. +<p> + +<li><code>void md5 (const char *message, long len, char *output);</code> +<p> +Computes the MD5 message-digest of <code>message</code>. +<code>len</code> is the length of <code>message</code>. +<code>output</code> is a buffer that receives the result; +it must have at least 16 bytes (128 bits). +<p> + +</ul> + +<h2>INSTALL</h2> + +The following instructions assume that your Lua installation has a dynamic +linking facility (function <code>loadlib</code>): + +<ul> + +<li>Build a shared library (<code>.so</code>, <code>.dll</code>, etc.) +with files <code>md5.c</code> and <code>md5lib.c</code>. +(There is a <code>makefile</code> for Linux and similar systems.) + +<li>Put the shared library somewhere, +and edit file <code>md5.lua</code> to point to it. + +<li>Put the file <code>md5.lua</code> in a directory of your +<code>LUA_PATH</code>. + +</ul> + +<p><br><small><em> +$Id: md5.html,v 1.4 2003/04/28 16:40:42 roberto Exp $ +</em></small> + +</body></html> + diff --git a/Build/source/texk/web2c/luatexdir/luamd5/md5.lua b/Build/source/texk/web2c/luatexdir/luamd5/md5.lua new file mode 100644 index 00000000000..0e0c4912dd9 --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/md5.lua @@ -0,0 +1,22 @@ +-- md5.lua +-- (you should put this file in any directory of your LUA_PATH) + + +-- change the next line to point to the md5 dynamic library + +-- local path = "/usr/local/lua/lib/libmd5.so" +--local path = "./libmd5.so" + +--assert(loadlib(path, "luaopen_md5"))() + + +-- Returns the md5 hash value as a string of hexadecimal digits + +function md5.sumhexa (k) + k = md5.sum(k) + return (string.gsub(k, ".", function (c) + return string.format("%02x", string.byte(c)) + end)) +end + +return md5 diff --git a/Build/source/texk/web2c/luatexdir/luamd5/md5lib.c b/Build/source/texk/web2c/luatexdir/luamd5/md5lib.c new file mode 100644 index 00000000000..7c72a16fcb6 --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/md5lib.c @@ -0,0 +1,183 @@ +/** +* $Id: md5lib.c,v 1.2 2003/04/28 16:25:44 roberto Exp $ +* Cryptographic and Hash functions for Lua +* @version 1.0 +* @author Roberto Ierusalimschy +*/ + + +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include <lua.h> +#include <lauxlib.h> + +#include "md5.h" + + +/** +* Hash function. Returns a hash for a given string. +* @param message: arbitrary binary string. +* @return A 128-bit hash string. +*/ +static int lmd5 (lua_State *L) { + char buff[16]; + size_t l; + const char *message = luaL_checklstring(L, 1, &l); + md5(message, l, buff); + lua_pushlstring(L, buff, 16L); + return 1; +} + + +/** +* X-Or. Does a bit-a-bit exclusive-or of two strings. +* @param s1: arbitrary binary string. +* @param s2: arbitrary binary string with same length as s1. +* @return a binary string with same length as s1 and s2, +* where each bit is the exclusive-or of the corresponding bits in s1-s2. +*/ +static int ex_or (lua_State *L) { + size_t l1, l2; + const char *s1 = luaL_checklstring(L, 1, &l1); + const char *s2 = luaL_checklstring(L, 2, &l2); + luaL_Buffer b; + luaL_argcheck( L, l1 == l2, 2, "lengths must be equal" ); + luaL_buffinit(L, &b); + while (l1--) luaL_putchar(&b, (*s1++)^(*s2++)); + luaL_pushresult(&b); + return 1; +} + + +static void checkseed (lua_State *L) { + if (lua_isnone(L, 3)) { /* no seed? */ + time_t tm = time(NULL); /* for `random' seed */ + lua_pushlstring(L, (char *)&tm, sizeof(tm)); + } +} + + +#define MAXKEY 256 +#define BLOCKSIZE 16 + + + +static int initblock (lua_State *L, const char *seed, int lseed, char *block) { + size_t lkey; + const char *key = luaL_checklstring(L, 2, &lkey); + if (lkey > MAXKEY) + luaL_error(L, "key too long (> %d)", MAXKEY); + memset(block, 0, BLOCKSIZE); + memcpy(block, seed, lseed); + memcpy(block+BLOCKSIZE, key, lkey); + return (int)lkey+BLOCKSIZE; +} + + +static void codestream (lua_State *L, const char *msg, size_t lmsg, + char *block, int lblock) { + luaL_Buffer b; + luaL_buffinit(L, &b); + while (lmsg > 0) { + char code[BLOCKSIZE]; + int i; + md5(block, lblock, code); + for (i=0; i<BLOCKSIZE && lmsg > 0; i++, lmsg--) + code[i] ^= *msg++; + luaL_addlstring(&b, code, i); + memcpy(block, code, i); /* update seed */ + } + luaL_pushresult(&b); +} + + +static void decodestream (lua_State *L, const char *cypher, size_t lcypher, + char *block, int lblock) { + luaL_Buffer b; + luaL_buffinit(L, &b); + while (lcypher > 0) { + char code[BLOCKSIZE]; + int i; + md5(block, lblock, code); /* update seed */ + for (i=0; i<BLOCKSIZE && lcypher > 0; i++, lcypher--) + code[i] ^= *cypher++; + luaL_addlstring(&b, code, i); + memcpy(block, cypher-i, i); + } + luaL_pushresult(&b); +} + + +/** +* Encrypts a string. Uses the hash function md5 in CFB (Cipher-feedback +* mode). +* @param message: arbitrary binary string to be encrypted. +* @param key: arbitrary binary string to be used as a key. +* @param [seed]: optional arbitrary binary string to be used as a seed. +* if no seed is provided, the function uses the result of +* <code>time()</code> as a seed. +* @return The cyphertext (as a binary string). +*/ +static int crypt (lua_State *L) { + size_t lmsg; + const char *msg = luaL_checklstring(L, 1, &lmsg); + size_t lseed; + const char *seed; + int lblock; + char block[BLOCKSIZE+MAXKEY]; + checkseed(L); + seed = luaL_checklstring(L, 3, &lseed); + if (lseed > BLOCKSIZE) + luaL_error(L, "seed too long (> %d)", BLOCKSIZE); + /* put seed and seed length at the beginning of result */ + block[0] = (char)lseed; + memcpy(block+1, seed, lseed); + lua_pushlstring(L, block, lseed+1); /* to concat with result */ + lblock = initblock(L, seed, lseed, block); + codestream(L, msg, lmsg, block, lblock); + lua_concat(L, 2); + return 1; +} + + +/** +* Decrypts a string. For any message, key, and seed, we have that +* <code>decrypt(crypt(msg, key, seed), key) == msg</code>. +* @param cyphertext: message to be decrypted (this must be the result of + a previous call to <code>crypt</code>. +* @param key: arbitrary binary string to be used as a key. +* @return The plaintext. +*/ +static int decrypt (lua_State *L) { + size_t lcyphertext; + const char *cyphertext = luaL_checklstring(L, 1, &lcyphertext); + size_t lseed = cyphertext[0]; + const char *seed = cyphertext+1; + int lblock; + char block[BLOCKSIZE+MAXKEY]; + luaL_argcheck(L, lcyphertext >= lseed+1 && lseed <= BLOCKSIZE, 1, + "invalid cyphered string"); + cyphertext += lseed+1; + lcyphertext -= lseed+1; + lblock = initblock(L, seed, lseed, block); + decodestream(L, cyphertext, lcyphertext, block, lblock); + return 1; +} + + +static struct luaL_reg md5lib[] = { + {"sum", lmd5}, + {"exor", ex_or}, + {"crypt", crypt}, + {"decrypt", decrypt}, + {NULL, NULL} +}; + + +int luaopen_md5 (lua_State *L) { + luaL_openlib(L, "md5", md5lib, 0); + return 1; +} + diff --git a/Build/source/texk/web2c/luatexdir/luamd5/md5tests.lua b/Build/source/texk/web2c/luatexdir/luamd5/md5tests.lua new file mode 100644 index 00000000000..4a6092bf34c --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/luamd5/md5tests.lua @@ -0,0 +1,78 @@ +#!/usr/bin/env lua5.0 + +dofile "md5.lua" + + +assert(md5.exor('', '') == '') +assert(md5.exor('alo alo', '\0\0\0\0\0\0\0') == 'alo alo') + +local function invert (s) + return md5.exor(s, string.rep('\255', string.len(s))) +end + +x = string.rep('0123456789', 1000) +assert(md5.exor(x,x) == string.rep('\0', 10000)) +assert(md5.exor(x,invert(x)) == string.rep('\255', 10000)) + +assert(invert(invert('alo alo')) == 'alo alo') + +assert(invert(invert(invert('alo\0\255alo'))) == invert('alo\0\255alo')) + +-- test some known sums +assert(md5.sumhexa("") == "d41d8cd98f00b204e9800998ecf8427e") +assert(md5.sumhexa("a") == "0cc175b9c0f1b6a831c399e269772661") +assert(md5.sumhexa("abc") == "900150983cd24fb0d6963f7d28e17f72") +assert(md5.sumhexa("message digest") == "f96b697d7cb7938d525a2f31aaf161d0") +assert(md5.sumhexa("abcdefghijklmnopqrstuvwxyz") == "c3fcd3d76192e4007dfb496cca67e13b") +assert(md5.sumhexa("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") + == "d174ab98d277d9f5a5611c2c9f419d9f") + + +-- test padding borders +assert(md5.sumhexa(string.rep('a',53)) == "e9e7e260dce84ffa6e0e7eb5fd9d37fc") +assert(md5.sumhexa(string.rep('a',54)) == "eced9e0b81ef2bba605cbc5e2e76a1d0") +assert(md5.sumhexa(string.rep('a',55)) == "ef1772b6dff9a122358552954ad0df65") +assert(md5.sumhexa(string.rep('a',56)) == "3b0c8ac703f828b04c6c197006d17218") +assert(md5.sumhexa(string.rep('a',57)) == "652b906d60af96844ebd21b674f35e93") +assert(md5.sumhexa(string.rep('a',63)) == "b06521f39153d618550606be297466d5") +assert(md5.sumhexa(string.rep('a',64)) == "014842d480b571495a4a0363793f7367") +assert(md5.sumhexa(string.rep('a',65)) == "c743a45e0d2e6a95cb859adae0248435") +assert(md5.sumhexa(string.rep('a',255)) == "46bc249a5a8fc5d622cf12c42c463ae0") +assert(md5.sumhexa(string.rep('a',256)) == "81109eec5aa1a284fb5327b10e9c16b9") + +assert(md5.sumhexa( +"12345678901234567890123456789012345678901234567890123456789012345678901234567890") + == "57edf4a22be3c955ac49da2e2107b67a") + +print '+' + + + +local tolerance = 1.12 + +local function contchars (s) + local a = {} + for i=0,255 do a[string.char(i)] = 0 end + for c in string.gfind(s, '.') do + a[c] = a[c] + 1 + end + local av = string.len(s)/256 + for i=0,255 do + local c = string.char(i) + assert(a[c] < av*tolerance and a[c] > av/tolerance, i) + end +end + + +local key = 'xuxu bacana' +assert(md5.decrypt(md5.crypt('', key), key) == '') +assert(md5.decrypt(md5.crypt('', key, '\0\0seed\0'), key) == '') +assert(md5.decrypt(md5.crypt('a', key), key) == 'a') +local msg = string.rep("1233456789\0\1\2\3\0\255", 10000) +local code = md5.crypt(msg, key, "seed") +assert(md5.decrypt(code, key) == msg) +contchars(code) + +assert(md5.crypt('a', 'a') ~= md5.crypt('a', 'b')) + +print"OK" |