--- /dev/null
+/*
+ RainbowCrack - a general propose implementation of Philippe Oechslin's faster time-memory trade-off technique.
+
+ Copyright (C) Zhu Shuanglei <shuanglei@hotmail.com>
+*/
+
+#ifdef _WIN32
+ #pragma warning(disable : 4786 4267 4018)
+#endif
+
+#include "ChainWalkContext.h"
+
+#include <ctype.h>
+
+//////////////////////////////////////////////////////////////////////
+
+string CChainWalkContext::m_sHashRoutineName;
+HASHROUTINE CChainWalkContext::m_pHashRoutine;
+int CChainWalkContext::m_nHashLen;
+int CChainWalkContext::m_nPlainLenMinTotal = 0;
+int CChainWalkContext::m_nPlainLenMaxTotal = 0;
+int CChainWalkContext::m_nHybridCharset = 0;
+bool CChainWalkContext::isOldRtFormat = false;
+bool CChainWalkContext::isNewRtFormat = false;
+vector<stCharset> CChainWalkContext::m_vCharset;
+uint64 CChainWalkContext::m_nPlainSpaceUpToX[MAX_PLAIN_LEN + 1];
+uint64 CChainWalkContext::m_nPlainSpaceTotal;
+unsigned char CChainWalkContext::m_Salt[MAX_SALT_LEN];
+int CChainWalkContext::m_nSaltLen = 0;
+int CChainWalkContext::m_nRainbowTableIndex;
+uint64 CChainWalkContext::m_nReduceOffset;
+
+//////////////////////////////////////////////////////////////////////
+
+CChainWalkContext::CChainWalkContext()
+{
+}
+
+CChainWalkContext::~CChainWalkContext()
+{
+}
+
+bool CChainWalkContext::LoadCharset(string sName)
+{
+ m_vCharset.clear();
+ if (sName == "byte")
+ {
+ stCharset tCharset;
+ int i;
+ for (i = 0x00; i <= 0xff; i++)
+ tCharset.m_PlainCharset[i] = i;
+ tCharset.m_nPlainCharsetLen = 256;
+ tCharset.m_sPlainCharsetName = sName;
+ tCharset.m_sPlainCharsetContent = "0x00, 0x01, ... 0xff";
+ m_vCharset.push_back(tCharset);
+ return true;
+ }
+ if(sName.substr(0, 6) == "hybrid") // Hybrid charset consisting of 2 charsets
+ {
+ m_nHybridCharset = 1;
+ }
+ else
+ {
+ m_nHybridCharset = 0;
+ }
+
+ bool readCharset = false;
+ vector<string> vLine;
+ if (ReadLinesFromFile("charset.txt", vLine)) {
+ readCharset = true;
+ }
+ else if (ReadLinesFromFile(GetApplicationPath() + "charset.txt", vLine)) {
+ readCharset = true;
+ }
+ if (readCharset)
+ {
+ int i;
+ for (i = 0; i < vLine.size(); i++)
+ {
+ // Filter comment
+ if (vLine[i][0] == '#')
+ continue;
+
+ vector<string> vPart;
+ if (SeperateString(vLine[i], "=", vPart))
+ {
+ // sCharsetName
+ string sCharsetName = TrimString(vPart[0]);
+ if (sCharsetName == "")
+ continue;
+
+ // sCharsetName charset check
+ bool fCharsetNameCheckPass = true;
+ int j;
+ for (j = 0; j < sCharsetName.size(); j++)
+ {
+ if ( !isalpha(sCharsetName[j])
+ && !isdigit(sCharsetName[j])
+ && (sCharsetName[j] != '-'))
+ {
+ fCharsetNameCheckPass = false;
+ break;
+ }
+ }
+ if (!fCharsetNameCheckPass)
+ {
+ printf("invalid charset name %s in charset configuration file\n", sCharsetName.c_str());
+ continue;
+ }
+
+ // sCharsetContent
+ string sCharsetContent = TrimString(vPart[1]);
+ if (sCharsetContent == "" || sCharsetContent == "[]")
+ continue;
+ if (sCharsetContent[0] != '[' || sCharsetContent[sCharsetContent.size() - 1] != ']')
+ {
+ printf("invalid charset content %s in charset configuration file\n", sCharsetContent.c_str());
+ continue;
+ }
+ sCharsetContent = sCharsetContent.substr(1, sCharsetContent.size() - 2);
+ if (sCharsetContent.size() > 256)
+ {
+ printf("charset content %s too long\n", sCharsetContent.c_str());
+ continue;
+ }
+
+ //printf("%s = [%s]\n", sCharsetName.c_str(), sCharsetContent.c_str());
+
+ // Is it the wanted charset?
+ if(m_nHybridCharset == 1)
+ {
+ vector<tCharset> vCharsets;
+ GetHybridCharsets(sName, vCharsets);
+ if(sCharsetName == vCharsets[m_vCharset.size()].sName)
+ {
+ stCharset tCharset = {0};
+ tCharset.m_nPlainCharsetLen = sCharsetContent.size();
+ memcpy(tCharset.m_PlainCharset, sCharsetContent.c_str(), tCharset.m_nPlainCharsetLen);
+ tCharset.m_sPlainCharsetName = sCharsetName;
+ tCharset.m_sPlainCharsetContent = sCharsetContent;
+ tCharset.m_nPlainLenMin = vCharsets[m_vCharset.size()].nPlainLenMin;
+ tCharset.m_nPlainLenMax = vCharsets[m_vCharset.size()].nPlainLenMax;
+ m_vCharset.push_back(tCharset);
+ if(vCharsets.size() == m_vCharset.size())
+ return true;
+ i = 0; // Start the lookup over again for the next charset
+ }
+ }
+ else if (sCharsetName == sName)
+ {
+ stCharset tCharset;
+ tCharset.m_nPlainCharsetLen = sCharsetContent.size();
+ memcpy(tCharset.m_PlainCharset, sCharsetContent.c_str(), tCharset.m_nPlainCharsetLen);
+ tCharset.m_sPlainCharsetName = sCharsetName;
+ tCharset.m_sPlainCharsetContent = sCharsetContent;
+ m_vCharset.push_back(tCharset);
+ return true;
+ }
+ }
+ }
+ printf("charset %s not found in charset.txt\n", sName.c_str());
+ }
+ else
+ printf("can't open charset configuration file\n");
+ return false;
+}
+
+//////////////////////////////////////////////////////////////////////
+
+bool CChainWalkContext::SetHashRoutine(string sHashRoutineName)
+{
+ CHashRoutine hr;
+ hr.GetHashRoutine(sHashRoutineName, m_pHashRoutine, m_nHashLen);
+ if (m_pHashRoutine != NULL)
+ {
+ m_sHashRoutineName = sHashRoutineName;
+ return true;
+ }
+ else
+ return false;
+}
+
+bool CChainWalkContext::SetPlainCharset(string sCharsetName, int nPlainLenMin, int nPlainLenMax)
+{
+ // m_PlainCharset, m_nPlainCharsetLen, m_sPlainCharsetName, m_sPlainCharsetContent
+ if (!LoadCharset(sCharsetName))
+ return false;
+
+ if(m_vCharset.size() == 1) // Not hybrid charset
+ {
+ // m_nPlainLenMin, m_nPlainLenMax
+ if (nPlainLenMin < 1 || nPlainLenMax > MAX_PLAIN_LEN || nPlainLenMin > nPlainLenMax)
+ {
+ printf("invalid plaintext length range: %d - %d\n", nPlainLenMin, nPlainLenMax);
+ return false;
+ }
+ m_vCharset[0].m_nPlainLenMin = nPlainLenMin;
+ m_vCharset[0].m_nPlainLenMax = nPlainLenMax;
+ }
+ // m_nPlainSpaceUpToX
+ m_nPlainSpaceUpToX[0] = 0;
+ m_nPlainLenMaxTotal = 0;
+ m_nPlainLenMinTotal = 0;
+ uint64 nTemp = 1;
+ int j, k = 1;
+ for(j = 0; j < m_vCharset.size(); j++)
+ {
+ int i;
+ m_nPlainLenMaxTotal += m_vCharset[j].m_nPlainLenMax;
+ m_nPlainLenMinTotal += m_vCharset[j].m_nPlainLenMin;
+ for (i = 1; i <= m_vCharset[j].m_nPlainLenMax; i++)
+ {
+ nTemp *= m_vCharset[j].m_nPlainCharsetLen;
+ if (i < m_vCharset[j].m_nPlainLenMin)
+ m_nPlainSpaceUpToX[k] = 0;
+ else
+ m_nPlainSpaceUpToX[k] = m_nPlainSpaceUpToX[k - 1] + nTemp;
+ k++;
+ }
+ }
+ // m_nPlainSpaceTotal
+ m_nPlainSpaceTotal = m_nPlainSpaceUpToX[m_nPlainLenMaxTotal];
+
+ return true;
+}
+
+bool CChainWalkContext::SetRainbowTableIndex(int nRainbowTableIndex)
+{
+ if (nRainbowTableIndex < 0)
+ return false;
+ m_nRainbowTableIndex = nRainbowTableIndex;
+ m_nReduceOffset = 65536 * nRainbowTableIndex;
+
+ return true;
+}
+
+bool CChainWalkContext::SetSalt(unsigned char *Salt, int nSaltLength)
+{
+ memcpy(&m_Salt[0], Salt, nSaltLength);
+
+ m_nSaltLen = nSaltLength;
+// m_sSalt = sSalt;
+ return true;
+}
+
+bool CChainWalkContext::SetupWithPathName(string sPathName, int& nRainbowChainLen, int& nRainbowChainCount)
+{
+ // something like lm_alpha#1-7_0_100x16_test.rt
+
+#ifdef _WIN32
+ int nIndex = sPathName.find_last_of('\\');
+#else
+ int nIndex = sPathName.find_last_of('/');
+#endif
+ if (nIndex != -1)
+ sPathName = sPathName.substr(nIndex + 1);
+
+ if (sPathName.size() < 3)
+ {
+ printf("%s is not a rainbow table\n", sPathName.c_str());
+ return false;
+ }
+ if (sPathName.substr(sPathName.size() - 5) == ".rti2")
+ {
+ isNewRtFormat = true;
+ }
+ else if (sPathName.substr(sPathName.size() - 4) == ".rti")
+ {
+ isOldRtFormat = false;
+ }
+ else if (sPathName.substr(sPathName.size() - 3) == ".rt")
+ {
+ isOldRtFormat = true;
+ }
+ else
+ {
+ printf("%s is not a rainbow table\n", sPathName.c_str());
+ return false;
+ }
+
+ // Parse
+ vector<string> vPart;
+ if (!SeperateString(sPathName, "___x_", vPart))
+ {
+ printf("filename %s not identified\n", sPathName.c_str());
+ return false;
+ }
+
+ string sHashRoutineName = vPart[0];
+ int nRainbowTableIndex = atoi(vPart[2].c_str());
+ nRainbowChainLen = atoi(vPart[3].c_str());
+ nRainbowChainCount = atoi(vPart[4].c_str());
+
+ // Parse charset definition
+ string sCharsetDefinition = vPart[1];
+ string sCharsetName;
+ int nPlainLenMin = 0, nPlainLenMax = 0;
+
+// printf("Charset: %s", sCharsetDefinition.c_str());
+
+ if(sCharsetDefinition.substr(0, 6) == "hybrid") // Hybrid table
+ {
+ sCharsetName = sCharsetDefinition;
+ }
+ else
+ {
+ if (sCharsetDefinition.find('#') == -1) // For backward compatibility, "#1-7" is implied
+ {
+ sCharsetName = sCharsetDefinition;
+ nPlainLenMin = 1;
+ nPlainLenMax = 7;
+ }
+ else
+ {
+ vector<string> vCharsetDefinitionPart;
+ if (!SeperateString(sCharsetDefinition, "#-", vCharsetDefinitionPart))
+ {
+ printf("filename %s not identified\n", sPathName.c_str());
+ return false;
+ }
+ else
+ {
+ sCharsetName = vCharsetDefinitionPart[0];
+ nPlainLenMin = atoi(vCharsetDefinitionPart[1].c_str());
+ nPlainLenMax = atoi(vCharsetDefinitionPart[2].c_str());
+ }
+ }
+ }
+ // Setup
+ if (!SetHashRoutine(sHashRoutineName))
+ {
+ printf("hash routine %s not supported\n", sHashRoutineName.c_str());
+ return false;
+ }
+ if (!SetPlainCharset(sCharsetName, nPlainLenMin, nPlainLenMax))
+ return false;
+ if (!SetRainbowTableIndex(nRainbowTableIndex))
+ {
+ printf("invalid rainbow table index %d\n", nRainbowTableIndex);
+ return false;
+ }
+ m_nPlainSpaceTotal = m_nPlainSpaceUpToX[m_nPlainLenMaxTotal];
+ return true;
+}
+
+string CChainWalkContext::GetHashRoutineName()
+{
+ return m_sHashRoutineName;
+}
+
+int CChainWalkContext::GetHashLen()
+{
+ return m_nHashLen;
+}
+
+string CChainWalkContext::GetPlainCharsetName()
+{
+ return m_vCharset[0].m_sPlainCharsetName;
+}
+
+string CChainWalkContext::GetPlainCharsetContent()
+{
+ return m_vCharset[0].m_sPlainCharsetContent;
+}
+
+int CChainWalkContext::GetPlainLenMin()
+{
+ return m_vCharset[0].m_nPlainLenMin;
+}
+
+int CChainWalkContext::GetPlainLenMax()
+{
+ return m_vCharset[0].m_nPlainLenMax;
+}
+
+uint64 CChainWalkContext::GetPlainSpaceTotal()
+{
+ return m_nPlainSpaceTotal;
+}
+
+int CChainWalkContext::GetRainbowTableIndex()
+{
+ return m_nRainbowTableIndex;
+}
+
+void CChainWalkContext::Dump()
+{
+ printf("hash routine: %s\n", m_sHashRoutineName.c_str());
+ printf("hash length: %d\n", m_nHashLen);
+
+ printf("plain charset: ");
+ int i;
+ for (i = 0; i < m_vCharset[0].m_nPlainCharsetLen; i++)
+ {
+ if (isprint(m_vCharset[0].m_PlainCharset[i]))
+ printf("%c", m_vCharset[0].m_PlainCharset[i]);
+ else
+ printf("?");
+ }
+ printf("\n");
+
+ printf("plain charset in hex: ");
+ for (i = 0; i < m_vCharset[0].m_nPlainCharsetLen; i++)
+ printf("%02x ", m_vCharset[0].m_PlainCharset[i]);
+ printf("\n");
+
+ printf("plain length range: %d - %d\n", m_vCharset[0].m_nPlainLenMin, m_vCharset[0].m_nPlainLenMax);
+ printf("plain charset name: %s\n", m_vCharset[0].m_sPlainCharsetName.c_str());
+ //printf("plain charset content: %s\n", m_sPlainCharsetContent.c_str());
+ //for (i = 0; i <= m_nPlainLenMax; i++)
+ // printf("plain space up to %d: %s\n", i, uint64tostr(m_nPlainSpaceUpToX[i]).c_str());
+ printf("plain space total: %s\n", uint64tostr(m_nPlainSpaceTotal).c_str());
+
+ printf("rainbow table index: %d\n", m_nRainbowTableIndex);
+ printf("reduce offset: %s\n", uint64tostr(m_nReduceOffset).c_str());
+ printf("\n");
+}
+
+
+void CChainWalkContext::SetIndex(uint64 nIndex)
+{
+ m_nIndex = nIndex;
+}
+
+void CChainWalkContext::SetHash(unsigned char* pHash)
+{
+ memcpy(m_Hash, pHash, m_nHashLen);
+}
+
+void CChainWalkContext::IndexToPlain()
+{
+ int i;
+ m_nPlainLen = 0;
+ for (i = m_nPlainLenMaxTotal - 1; i >= m_nPlainLenMinTotal - 1; i--)
+ {
+ if (m_nIndex >= m_nPlainSpaceUpToX[i])
+ {
+ m_nPlainLen = i + 1;
+ break;
+ }
+ }
+ if(m_nPlainLen == 0)
+ m_nPlainLen = m_nPlainLenMinTotal;
+ uint64 nIndexOfX = m_nIndex - m_nPlainSpaceUpToX[m_nPlainLen - 1];
+
+// maybe this code should be used for some other 64 bit systems as well, added check for LP64 to try this
+#if defined(_WIN64) || defined(_LP64)
+
+ // Slow version
+ for (i = m_nPlainLen - 1; i >= 0; i--)
+ {
+ int nCharsetLen = 0;
+ for(int j = 0; j < m_vCharset.size(); i++)
+ {
+ nCharsetLen += m_vCharset[j].m_nPlainLenMax;
+ if(i < nCharsetLen) // We found the correct charset
+ {
+ m_Plain[i] = m_vCharset[j].m_PlainCharset[nIndexOfX % m_nPlainCharsetLen];
+ nIndexOfX /= m_vCharset[j].m_nPlainCharsetLen;
+ }
+ }
+ }
+#else
+
+
+ // Fast version
+ for (i = m_nPlainLen - 1; i >= 0; i--)
+ {
+#ifdef _WIN32
+ if (nIndexOfX < 0x100000000I64)
+ break;
+#else
+ if (nIndexOfX < 0x100000000llu)
+ break;
+#endif
+ int nCharsetLen = 0;
+ for(int j = 0; j < m_vCharset.size(); j++)
+ {
+ nCharsetLen += m_vCharset[j].m_nPlainLenMax;
+ if(i < nCharsetLen) // We found the correct charset
+ {
+ m_Plain[i] = m_vCharset[j].m_PlainCharset[nIndexOfX % m_vCharset[j].m_nPlainCharsetLen];
+ nIndexOfX /= m_vCharset[j].m_nPlainCharsetLen;
+ break;
+ }
+ }
+ }
+
+ unsigned int nIndexOfX32 = (unsigned int)nIndexOfX;
+ for (; i >= 0; i--)
+ {
+ int nCharsetLen = 0;
+ for(int j = 0; j < m_vCharset.size(); j++)
+ {
+ nCharsetLen += m_vCharset[j].m_nPlainLenMax;
+ if(i < nCharsetLen) // We found the correct charset
+ {
+
+// m_Plain[i] = m_PlainCharset[nIndexOfX32 % m_vCharset[j].m_nPlainCharsetLen];
+// nIndexOfX32 /= m_vCharset[j].m_nPlainCharsetLen;
+
+ unsigned int nPlainCharsetLen = m_vCharset[j].m_nPlainCharsetLen;
+ unsigned int nTemp;
+#ifdef _WIN32
+ __asm
+ {
+ mov eax, nIndexOfX32
+ xor edx, edx
+ div nPlainCharsetLen
+ mov nIndexOfX32, eax
+ mov nTemp, edx
+ }
+ m_Plain[i] = m_vCharset[j].m_PlainCharset[nTemp];
+#else
+ __asm__ __volatile__ ( "mov %2, %%eax;"
+ "xor %%edx, %%edx;"
+ "divl %3;"
+ "mov %%eax, %0;"
+ "mov %%edx, %1;"
+ : "=m"(nIndexOfX32), "=m"(nTemp)
+ : "m"(nIndexOfX32), "m"(nPlainCharsetLen)
+ : "%eax", "%edx"
+ );
+ m_Plain[i] = m_vCharset[j].m_PlainCharset[nTemp];
+#endif
+ break;
+ }
+ }
+ }
+#endif
+}
+
+void CChainWalkContext::PlainToHash()
+{
+ m_pHashRoutine(m_Plain, m_nPlainLen, m_Hash);
+}
+
+void CChainWalkContext::HashToIndex(int nPos)
+{
+ m_nIndex = (*(uint64*)m_Hash + m_nReduceOffset + nPos) % m_nPlainSpaceTotal;
+}
+
+uint64 CChainWalkContext::GetIndex()
+{
+ return m_nIndex;
+}
+const uint64 *CChainWalkContext::GetIndexPtr()
+{
+ return &m_nIndex;
+}
+
+string CChainWalkContext::GetPlain()
+{
+ string sRet;
+ int i;
+ for (i = 0; i < m_nPlainLen; i++)
+ {
+ char c = m_Plain[i];
+ //if (c >= 32 && c <= 126)
+ //if (c >= 32)
+ sRet += c;
+ //else
+ // sRet += '?';
+ }
+
+ return sRet;
+}
+
+string CChainWalkContext::GetBinary()
+{
+ return HexToStr(m_Plain, m_nPlainLen);
+}
+/*
+string CChainWalkContext::GetPlainBinary()
+{
+ string sRet;
+ sRet += GetPlain();
+ int i;
+ for (i = 0; i < m_nPlainLenMax - m_nPlainLen; i++)
+ sRet += ' ';
+
+ sRet += "|";
+
+ sRet += GetBinary();
+ for (i = 0; i < m_nPlainLenMax - m_nPlainLen; i++)
+ sRet += " ";
+
+ return sRet;
+}
+*/
+string CChainWalkContext::GetHash()
+{
+ return HexToStr(m_Hash, m_nHashLen);
+}
+
+bool CChainWalkContext::CheckHash(unsigned char* pHash)
+{
+ if (memcmp(m_Hash, pHash, m_nHashLen) == 0)
+ return true;
+
+ return false;
+}
+
+bool CChainWalkContext::isOldFormat()
+{
+ return isOldRtFormat;
+}
+bool CChainWalkContext::isNewFormat()
+{
+ return isNewRtFormat;
+}
+
projects / freerainbowtables / blobdiff