7 files changed, 16 insertions, 494 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56dea1a34..422427414 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,7 +62,6 @@ add_subdirectory(lib/tolua++/)
 add_subdirectory(lib/sqlite/)
 add_subdirectory(lib/expat/)
 add_subdirectory(lib/luaexpat/)
-add_subdirectory(lib/md5/)
 
 
 # We use EXCLUDE_FROM_ALL so that only the explicit dependencies are used
diff --git a/lib/md5/CMakeLists.txt b/lib/md5/CMakeLists.txt
deleted file mode 100644
index cd9fe6320..000000000
--- a/lib/md5/CMakeLists.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-
-cmake_minimum_required (VERSION 2.6)
-project (md5)
-
-include_directories ("${PROJECT_SOURCE_DIR}/../../src/")
-
-file(GLOB SOURCE
-    "*.cpp"
-    "*.h"
-)
-
-add_library(md5 ${SOURCE})
diff --git a/lib/md5/md5.cpp b/lib/md5/md5.cpp
deleted file mode 100644
index eae0fc3f2..000000000
--- a/lib/md5/md5.cpp
+++ /dev/null
@@ -1,369 +0,0 @@
-/* MD5
- converted to C++ class by Frank Thilo (thilo@unix-ag.org)
- for bzflag (http://www.bzflag.org)
-
-   based on:
-
-   md5.h and md5.c
-   reference implemantion of RFC 1321
-
-   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.
-
-*/
-
-/* interface header */
-#include "md5.h"
-
-/* system implementation headers */
-#include <stdio.h>
-
-#ifndef _WIN32
-	#include <cstring>
-#endif
-
-
-
-
-
-// Constants for MD5Transform routine.
-#define S11 7
-#define S12 12
-#define S13 17
-#define S14 22
-#define S21 5
-#define S22 9
-#define S23 14
-#define S24 20
-#define S31 4
-#define S32 11
-#define S33 16
-#define S34 23
-#define S41 6
-#define S42 10
-#define S43 15
-#define S44 21
-
-///////////////////////////////////////////////
-
-// F, G, H and I are basic MD5 functions.
-inline MD5::uint4 MD5::F(uint4 x, uint4 y, uint4 z) {
-  return x&y | ~x&z;
-}
-
-inline MD5::uint4 MD5::G(uint4 x, uint4 y, uint4 z) {
-  return x&z | y&~z;
-}
-
-inline MD5::uint4 MD5::H(uint4 x, uint4 y, uint4 z) {
-  return x^y^z;
-}
-
-inline MD5::uint4 MD5::I(uint4 x, uint4 y, uint4 z) {
-  return y ^ (x | ~z);
-}
-
-// rotate_left rotates x left n bits.
-inline MD5::uint4 MD5::rotate_left(uint4 x, int n) {
-  return (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.
-inline void MD5::FF(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
-  a = rotate_left(a+ F(b,c,d) + x + ac, s) + b;
-}
-
-inline void MD5::GG(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
-  a = rotate_left(a + G(b,c,d) + x + ac, s) + b;
-}
-
-inline void MD5::HH(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
-  a = rotate_left(a + H(b,c,d) + x + ac, s) + b;
-}
-
-inline void MD5::II(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac) {
-  a = rotate_left(a + I(b,c,d) + x + ac, s) + b;
-}
-
-//////////////////////////////////////////////
-
-// default ctor, just initailize
-MD5::MD5()
-{
-  init();
-}
-
-//////////////////////////////////////////////
-
-// nifty shortcut ctor, compute MD5 for string and finalize it right away
-MD5::MD5(const std::string &text)
-{
-  init();
-  update(text.c_str(), text.length());
-  finalize();
-}
-
-//////////////////////////////
-
-void MD5::init()
-{
-  finalized=false;
-
-  count[0] = 0;
-  count[1] = 0;
-
-  // load magic initialization constants.
-  state[0] = 0x67452301;
-  state[1] = 0xefcdab89;
-  state[2] = 0x98badcfe;
-  state[3] = 0x10325476;
-}
-
-//////////////////////////////
-
-// decodes input (unsigned char) into output (uint4). Assumes len is a multiple of 4.
-void MD5::decode(uint4 output[], const uint1 input[], size_type len)
-{
-  for (unsigned int i = 0, j = 0; j < len; i++, j += 4)
-    output[i] = ((uint4)input[j]) | (((uint4)input[j+1]) << 8) |
-      (((uint4)input[j+2]) << 16) | (((uint4)input[j+3]) << 24);
-}
-
-//////////////////////////////
-
-// encodes input (uint4) into output (unsigned char). Assumes len is
-// a multiple of 4.
-void MD5::encode(uint1 output[], const uint4 input[], size_type len)
-{
-  for (size_type i = 0, j = 0; j < len; i++, j += 4) {
-    output[j] = input[i] & 0xff;
-    output[j+1] = (input[i] >> 8) & 0xff;
-    output[j+2] = (input[i] >> 16) & 0xff;
-    output[j+3] = (input[i] >> 24) & 0xff;
-  }
-}
-
-//////////////////////////////
-
-// apply MD5 algo on a block
-void MD5::transform(const uint1 block[blocksize])
-{
-  uint4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-  decode (x, block, blocksize);
-
-  /* Round 1 */
-  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 */
-  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 */
-  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 */
-  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 */
-
-  state[0] += a;
-  state[1] += b;
-  state[2] += c;
-  state[3] += d;
-
-  // Zeroize sensitive information.
-  memset(x, 0, sizeof x);
-}
-
-//////////////////////////////
-
-// MD5 block update operation. Continues an MD5 message-digest
-// operation, processing another message block
-void MD5::update(const unsigned char input[], size_type length)
-{
-  // compute number of bytes mod 64
-  size_type index = count[0] / 8 % blocksize;
-
-  // Update number of bits
-  if ((count[0] += (length << 3)) < (length << 3))
-    count[1]++;
-  count[1] += (length >> 29);
-
-  // number of bytes we need to fill in buffer
-  size_type firstpart = 64 - index;
-
-  size_type i;
-
-  // transform as many times as possible.
-  if (length >= firstpart)
-  {
-    // fill buffer first, transform
-    memcpy(&buffer[index], input, firstpart);
-    transform(buffer);
-
-    // transform chunks of blocksize (64 bytes)
-    for (i = firstpart; i + blocksize <= length; i += blocksize)
-      transform(&input[i]);
-
-    index = 0;
-  }
-  else
-    i = 0;
-
-  // buffer remaining input
-  memcpy(&buffer[index], &input[i], length-i);
-}
-
-//////////////////////////////
-
-// for convenience provide a verson with signed char
-void MD5::update(const char input[], size_type length)
-{
-  update((const unsigned char*)input, length);
-}
-
-//////////////////////////////
-
-// MD5 finalization. Ends an MD5 message-digest operation, writing the
-// the message digest and zeroizing the context.
-MD5& MD5::finalize()
-{
-  static unsigned char padding[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
-  };
-
-  if (!finalized) {
-    // Save number of bits
-    unsigned char bits[8];
-    encode(bits, count, 8);
-
-    // pad out to 56 mod 64.
-    size_type index = count[0] / 8 % 64;
-    size_type padLen = (index < 56) ? (56 - index) : (120 - index);
-    update(padding, padLen);
-
-    // Append length (before padding)
-    update(bits, 8);
-
-    // Store state in digest
-    encode(digest, state, 16);
-
-    // Zeroize sensitive information.
-    memset(buffer, 0, sizeof buffer);
-    memset(count, 0, sizeof count);
-
-    finalized=true;
-  }
-
-  return *this;
-}
-
-//////////////////////////////
-
-// return hex representation of digest as string
-std::string MD5::hexdigest() const
-{
-  if (!finalized)
-    return "";
-
-  char buf[33];
-  for (int i=0; i<16; i++)
-    sprintf(buf+i*2, "%02x", digest[i]);
-  buf[32]=0;
-
-  return std::string(buf);
-}
-
-//////////////////////////////
-
-std::ostream& operator<<(std::ostream& out, MD5 md5)
-{
-  return out << md5.hexdigest();
-}
-
-//////////////////////////////
-
-std::string md5(const std::string & str)
-{
-    MD5 md5 = MD5(str);
-
-    return md5.hexdigest();
-}
diff --git a/lib/md5/md5.h b/lib/md5/md5.h
deleted file mode 100644
index 3aa88ac22..000000000
--- a/lib/md5/md5.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* MD5
- converted to C++ class by Frank Thilo (thilo@unix-ag.org)
- for bzflag (http://www.bzflag.org)
-
-   based on:
-
-   md5.h and md5.c
-   reference implementation of RFC 1321
-
-   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.
-
-*/
-
-#ifndef BZF_MD5_H
-#define BZF_MD5_H
-
-#include <string>
-#include <iostream>
-
-
-// a small class for calculating MD5 hashes of strings or byte arrays
-// it is not meant to be fast or secure
-//
-// usage: 1) feed it blocks of uchars with update()
-//      2) finalize()
-//      3) get hexdigest() string
-//      or
-//      MD5(std::string).hexdigest()
-//
-// assumes that char is 8 bit and int is 32 bit
-class MD5
-{
-public:
-  typedef unsigned int size_type; // must be 32bit
-
-  MD5();
-  MD5(const std::string& text);
-  void update(const unsigned char *buf, size_type length);
-  void update(const char *buf, size_type length);
-  MD5& finalize();
-  std::string hexdigest() const;
-  friend std::ostream& operator<<(std::ostream&, MD5 md5);
-
-private:
-  void init();
-  typedef unsigned char uint1; //  8bit
-  typedef unsigned int uint4;  // 32bit
-  enum {blocksize = 64}; // VC6 won't eat a const static int here
-
-  void transform(const uint1 block[blocksize]);
-  static void decode(uint4 output[], const uint1 input[], size_type len);
-  static void encode(uint1 output[], const uint4 input[], size_type len);
-
-  bool finalized;
-  uint1 buffer[blocksize]; // bytes that didn't fit in last 64 byte chunk
-  uint4 count[2];   // 64bit counter for number of bits (lo, hi)
-  uint4 state[4];   // digest so far
-  uint1 digest[16]; // the result
-
-  // low level logic operations
-  static inline uint4 F(uint4 x, uint4 y, uint4 z);
-  static inline uint4 G(uint4 x, uint4 y, uint4 z);
-  static inline uint4 H(uint4 x, uint4 y, uint4 z);
-  static inline uint4 I(uint4 x, uint4 y, uint4 z);
-  static inline uint4 rotate_left(uint4 x, int n);
-  static inline void FF(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
-  static inline void GG(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
-  static inline void HH(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
-  static inline void II(uint4 &a, uint4 b, uint4 c, uint4 d, uint4 x, uint4 s, uint4 ac);
-};
-
-std::string md5(const std::string & str);
-
-#endif
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index f52d970bf..3692851eb 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -4,7 +4,7 @@
 #include "ManualBindings.h"
 #undef TOLUA_TEMPLATE_BIND
 #include "tolua++/include/tolua++.h"
-
+#include "polarssl\md5.h"
 #include "Plugin.h"
 #include "PluginLua.h"
 #include "PluginManager.h"
@@ -25,7 +25,6 @@
 #include "../BlockEntities/NoteEntity.h"
 #include "../BlockEntities/MobHeadEntity.h"
 #include "../BlockEntities/FlowerPotEntity.h"
-#include "md5/md5.h"
 #include "../LineBlockTracer.h"
 #include "../WorldStorage/SchematicFileSerializer.h"
 #include "../CompositeChat.h"
@@ -2001,9 +2000,11 @@ static int tolua_cPlugin_Call(lua_State * tolua_S)
 
 static int tolua_md5(lua_State* tolua_S)
 {
-	std::string SourceString = tolua_tostring(tolua_S, 1, 0);
-	std::string CryptedString = md5( SourceString );
-	tolua_pushstring( tolua_S, CryptedString.c_str() );
+	unsigned char Output[16];
+	size_t len = 0;
+	const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+	md5(SourceString, len, Output);
+	lua_pushlstring(tolua_S, (const char *)Output, ARRAYCOUNT(Output));
 	return 1;
 }
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 335ce8315..deea92aec 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -260,4 +260,4 @@ endif ()
 if (WIN32)
 	target_link_libraries(${EXECUTABLE} expat tolualib ws2_32.lib Psapi.lib)
 endif()
-target_link_libraries(${EXECUTABLE} md5 luaexpat iniFile jsoncpp polarssl zlib lua sqlite)
+target_link_libraries(${EXECUTABLE} luaexpat iniFile jsoncpp polarssl zlib lua sqlite)
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 46083a8f1..611995148 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -30,7 +30,7 @@
 #include "CompositeChat.h"
 #include "Items/ItemSword.h"
 
-#include "md5/md5.h"
+#include "polarssl/md5.h"
 
 
 
@@ -239,18 +239,14 @@ AString cClientHandle::GenerateOfflineUUID(const AString & a_Username)
 	// xxxxxxxx-xxxx-3xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B
 	
 	// Generate an md5 checksum, and use it as base for the ID:
-	MD5 Checksum(a_Username);
-	AString UUID = Checksum.hexdigest();
-	UUID[12] = '3';  // Version 3 UUID
-	UUID[16] = '8';  // Variant 1 UUID
-	
-	// Now the digest doesn't have the UUID slashes, but the client requires them, so add them into the appropriate positions:
-	UUID.insert(8, "-");
-	UUID.insert(13, "-");
-	UUID.insert(18, "-");
-	UUID.insert(23, "-");
-	
-	return UUID;
+	unsigned char MD5[16];
+	md5((const unsigned char *)a_Username.c_str(), a_Username.length(), MD5);
+	return Printf("%02x%02x%02x%02x-%02x%02x-3%01x%02x-8%01x%02x-%02x%02x%02x%02x%02x%02x",
+		MD5[0],  MD5[1],  MD5[2], MD5[3],
+		MD5[4],  MD5[5],  MD5[6], MD5[7],
+		MD5[8],  MD5[9],  MD5[10], MD5[11],
+		MD5[12], MD5[13], MD5[14], MD5[15]
+	);
 }