From b6eed3068885ea306fb9295c7c5f81a1b55cf434 Mon Sep 17 00:00:00 2001 From: "mike@arpaia.co" Date: Tue, 20 Jan 2015 15:07:50 -0800 Subject: [PATCH] removing md5.h --- osquery/core/md5.h | 421 --------------------------------------------- 1 file changed, 421 deletions(-) delete mode 100644 osquery/core/md5.h diff --git a/osquery/core/md5.h b/osquery/core/md5.h deleted file mode 100644 index a3ed0810..00000000 --- a/osquery/core/md5.h +++ /dev/null @@ -1,421 +0,0 @@ -// 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. - -// The original md5 implementation avoids external libraries. -// This version has dependency on stdio.h for file input and -// string.h for memcpy. - -#pragma once - -#include -#include - -namespace osquery { -namespace md5 { - -// 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 - -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}; - -// F, G, H and I are basic MD5 functions. -#define FFF(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))) - -// ROTATE_LEFT rotates x left n bits. -#define ROTATE_LEFT(x, n) (((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. -#define FF(a, b, c, d, x, s, ac) \ - { \ - (a) += FFF((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT((a), (s)); \ - (a) += (b); \ - } -#define GG(a, b, c, d, x, s, ac) \ - { \ - (a) += G((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT((a), (s)); \ - (a) += (b); \ - } -#define HH(a, b, c, d, x, s, ac) \ - { \ - (a) += H((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT((a), (s)); \ - (a) += (b); \ - } -#define II(a, b, c, d, x, s, ac) \ - { \ - (a) += I((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT((a), (s)); \ - (a) += (b); \ - } - -typedef unsigned char BYTE; - -// POINTER defines a generic pointer type -typedef unsigned char *POINTER; - -// UINT2 defines a two byte word -typedef unsigned short int UINT2; - -// UINT4 defines a four byte word -typedef unsigned long int UINT4; - -// convenient object that wraps -// the C-functions for use in C++ only -class MD5 { - private: - struct __context_t { - UINT4 state[4]; /* state (ABCD) */ - UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ - unsigned char buffer[64]; /* input buffer */ - } context; - - // The core of the MD5 algorithm is here. - // MD5 basic transformation. Transforms state based on block. - static void MD5Transform(UINT4 state[4], const unsigned char block[64]) { - UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; - - Decode(x, block, 64); - - /* 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((POINTER)x, 0, sizeof(x)); - } - - // Encodes input (UINT4) into output (unsigned char). Assumes len is - // a multiple of 4. - static void Encode(unsigned char *output, UINT4 *input, unsigned int len) { - unsigned int i, j; - - for (i = 0, j = 0; j < len; i++, j += 4) { - output[j] = (unsigned char)(input[i] & 0xff); - output[j + 1] = (unsigned char)((input[i] >> 8) & 0xff); - output[j + 2] = (unsigned char)((input[i] >> 16) & 0xff); - output[j + 3] = (unsigned char)((input[i] >> 24) & 0xff); - } - } - - // Decodes input (unsigned char) into output (UINT4). Assumes len is - // a multiple of 4. - static void Decode(UINT4 *output, const unsigned char *input, unsigned int len) { - unsigned int i, j; - - for (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); - } - } - - public: - // MAIN FUNCTIONS - MD5() { Init(); } - - // MD5 initialization. Begins an MD5 operation, writing a new context. - void Init() { - context.count[0] = context.count[1] = 0; - - // Load magic initialization constants. - context.state[0] = 0x67452301; - context.state[1] = 0xefcdab89; - context.state[2] = 0x98badcfe; - context.state[3] = 0x10325476; - } - - // MD5 block update operation. Continues an MD5 message-digest - // operation, processing another message block, and updating the - // context. - void Update(const unsigned char *input, unsigned int inputLen) { - unsigned int i, index, partLen; - - // Compute number of bytes mod 64 - index = (unsigned int)((context.count[0] >> 3) & 0x3F); - - // Update number of bits - if ((context.count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3)) { - context.count[1]++; - } - context.count[1] += ((UINT4)inputLen >> 29); - - partLen = 64 - index; - - // Transform as many times as possible. - if (inputLen >= partLen) { - memcpy((POINTER)&context.buffer[index], (POINTER)input, partLen); - MD5Transform(context.state, context.buffer); - - for (i = partLen; i + 63 < inputLen; i += 64) { - MD5Transform(context.state, &input[i]); - } - index = 0; - } else { - i = 0; - } - - /* Buffer remaining input */ - memcpy((POINTER)&context.buffer[index], (POINTER)&input[i], inputLen - i); - } - - // MD5 finalization. Ends an MD5 message-digest operation, writing the - // the message digest and zeroizing the context. - // Writes to digestRaw - void Final() { - unsigned char bits[8]; - unsigned int index, padLen; - - // Save number of bits - Encode(bits, context.count, 8); - - // Pad out to 56 mod 64. - index = (unsigned int)((context.count[0] >> 3) & 0x3f); - padLen = (index < 56) ? (56 - index) : (120 - index); - Update(PADDING, padLen); - - // Append length (before padding) - Update(bits, 8); - - // Store state in digest - Encode(digestRaw, context.state, 16); - - // Zeroize sensitive information. - memset((POINTER)&context, 0, sizeof(context)); - - writeToString(); - } - - /// Buffer must be 32+1 (nul) = 33 chars long at least - void writeToString() { - int pos; - - for (pos = 0; pos < 16; pos++) - sprintf(digestChars + (pos * 2), "%02x", digestRaw[pos]); - } - - public: - // an MD5 digest is a 16-byte number (32 hex digits) - BYTE digestRaw[16]; - - // This version of the digest is actually - // a "printf'd" version of the digest. - char digestChars[33]; - - /// Load a file from disk and digest it - // Digests a file and returns the result. - char *digestFile(const char *filename) { - Init(); - - FILE *file; - - int len; - unsigned char buffer[1024]; - - if ((file = fopen(filename, "rb")) == nullptr) { - fprintf(stderr, "%s can't be opened\n", filename); - } else { - while ((len = fread(buffer, 1, 1024, file))) { - Update(buffer, len); - } - Final(); - - fclose(file); - } - - return digestChars; - } - - /// Digests a byte-array already in memory - char *digestMemory(const BYTE *memchunk, int len) { - Init(); - Update(memchunk, len); - Final(); - - return digestChars; - } - - // Digests a string and prints the result. - char *digestString(const char *string) { - Init(); - Update((unsigned char *)string, strlen(string)); - Final(); - - return digestChars; - } -}; -} -}