diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/md5/CMakeLists.txt | 12 | ||||
| -rw-r--r-- | lib/md5/md5.cpp | 369 | ||||
| -rw-r--r-- | lib/md5/md5.h | 93 |
3 files changed, 0 insertions, 474 deletions
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 |