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56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#include "../Platform/stdafx.h"
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#if defined(_WIN32)
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#include <xhash>
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#else
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#include <openssl/md5.h>
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#include <iostream>
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#include <iomanip>
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#include <sstream>
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#endif // _WIN32
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#include "Hasher.h"
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#include <openssl/evp.h>
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Hasher::Hasher(std::wstring &salt)
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{
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this->salt = salt;
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}
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std::wstring Hasher::getHash(std::wstring &name)
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{
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#if defined(_WIN32)
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// 4J Stu - Removed try/catch
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//try {
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std::wstring s = std::wstring( salt ).append( name );
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//MessageDigest m;
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//m = MessageDigest.getInstance("MD5");
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//m.update(s.getBytes(), 0, s.length());
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//return new BigInteger(1, m.digest()).toString(16);
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// TODO 4J Stu - Will this hash us with the same distribution as the MD5?
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return _toString( hash_value( s ) );
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//}
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//catch (NoSuchAlgorithmException e)
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//{
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// throw new RuntimeException(e);
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//}
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#else
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// adapted from a SSL example
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std::wstring combined = salt + name;
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std::string combined_str(combined.begin(), combined.end());
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unsigned char result[EVP_MAX_MD_SIZE];
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EVP_MD_CTX* md5_ctx = EVP_MD_CTX_new();
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EVP_DigestInit_ex(md5_ctx, EVP_md5(), NULL);
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EVP_DigestUpdate(md5_ctx, combined_str.c_str(), combined_str.size());
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unsigned int result_len;
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EVP_DigestFinal_ex(md5_ctx, result, &result_len);
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EVP_MD_CTX_free(md5_ctx);
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std::stringstream ss;
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for (unsigned int i = 0; i < result_len; i++)
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{
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ss << std::setw(2) << std::setfill('0') << std::hex << (int)result[i];
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}
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std::string hash_str = ss.str();
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return std::wstring(hash_str.begin(), hash_str.end());
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#endif
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}
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