mirror of
https://github.com/polserver/polserver
synced 2026-08-13 08:23:08 -04:00
d848deae18
* POLLOG* macros use the new formatting removed all old logging functions * removed old fmt lib from everything except StreamWriter removed unneeded functions * fixed review comments
122 lines
2.4 KiB
C++
122 lines
2.4 KiB
C++
/** @file
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*
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* @par History
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* - 2003/06/29 Dave: MD5_Encrypt(), changed the order. the "safe" method was also really slow, so
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* do it only if the "fast" method fails.
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* also, store provider handle for further speed improvements
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*/
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#include "clib_MD5.h"
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#include <fmt/format.h>
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#include "stlutil.h"
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#ifdef WINDOWS
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#include "Header_Windows.h"
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#include <wincrypt.h>
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#include "logfacility.h"
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namespace Pol
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{
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namespace Clib
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{
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static HCRYPTPROV hProv = 0;
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bool MD5_Encrypt( const std::string& in, std::string& out )
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{
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HCRYPTHASH hHash = 0;
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if ( !hProv )
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{
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if ( !CryptAcquireContext( &hProv, nullptr, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) )
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{
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if ( !CryptAcquireContext( &hProv, nullptr, nullptr, PROV_RSA_FULL, 0 ) )
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{
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ERROR_PRINTLN( "Error {} acquiring crypt context", GetLastError() );
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return false;
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}
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}
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}
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if ( !CryptCreateHash( hProv, CALG_MD5, 0, 0, &hHash ) )
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{
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ERROR_PRINTLN( "Error {} creating hash", GetLastError() );
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return false;
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}
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// Hash password string.
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if ( !CryptHashData( hHash, (const unsigned char*)( in.data() ),
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static_cast<unsigned long>( in.length() ), 0 ) )
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{
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ERROR_PRINTLN( "Error {} adding data to hash", GetLastError() );
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return false;
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}
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unsigned long len = 16;
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unsigned char buf[16];
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if ( !CryptGetHashParam( hHash, HP_HASHVAL, buf, &len, 0 ) )
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{
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ERROR_PRINTLN( "Error {} getting hash value", GetLastError() );
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return false;
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}
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out = "";
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for ( auto& elem : buf )
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{
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fmt::format_to( std::back_inserter( out ), "{:02x}", (int)elem );
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}
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CryptDestroyHash( hHash );
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return true;
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}
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void MD5_Cleanup()
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{
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if ( hProv )
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{
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CryptReleaseContext( hProv, 0 );
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}
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}
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#else
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#include <openssl/evp.h>
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namespace Pol
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{
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namespace Clib
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{
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bool MD5_Encrypt( const std::string& in, std::string& out )
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{
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auto ctx = EVP_MD_CTX_new();
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EVP_DigestInit_ex( ctx, EVP_md5(), nullptr );
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EVP_DigestUpdate( ctx, in.c_str(), in.length() );
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unsigned char hash[16];
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EVP_DigestFinal_ex( ctx, hash, nullptr );
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EVP_MD_CTX_free( ctx );
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out = "";
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for ( auto& elem : hash )
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{
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fmt::format_to( std::back_inserter( out ), "{:02x}", (int)elem );
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}
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return true;
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}
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void MD5_Cleanup()
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{
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// OpenSSL cleanup, if any
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}
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#endif
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bool MD5_Compare( const std::string& a, const std::string& b )
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{
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return stringicmp( a, b ) == 0;
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}
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}
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}
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