开发学院网络安全安全技术用GetHashes软件获取Windows系统Hash密码值阅读

用GetHashes软件获取Windows系统Hash密码值

　2008-12-02 13:34:59　来源：WEB开发网　　　

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附录1 str_to_key()函数

str_to_key()函数，的C语言描述程序： #include #include #include /* * 读取形如"AABBCCDDEEFF"这样的16进制数字串，主调者自己进行形参的边界检查 */ static void readhexstring ( const unsigned char *src, unsigned char *dst, unsigned int len ) { unsigned int　i; unsigned char str[3]; str[2] = ''; for ( i = 0; i < len; i++ ) { str[0] = src[ i * 2　　 ]; str[1] = src[ i * 2 + 1 ]; dst[i] = ( unsigned char )strtoul( str, NULL, 16 ); } return; }　/* end of readhexstring */ /* * from The Samba Team's source/libsmb/smbdes.c */ static void str_to_key ( const unsigned char *str, unsigned char *key ) { unsigned int i; key[0] = str[0] >> 1; key[1] = ( ( str[0] & 0x01 ) << 6 ) | ( str[1] >> 2 ); key[2] = ( ( str[1] & 0x03 ) << 5 ) | ( str[2] >> 3 ); key[3] = ( ( str[2] & 0x07 ) << 4 ) | ( str[3] >> 4 ); key[4] = ( ( str[3] & 0x0F ) << 3 ) | ( str[4] >> 5 ); key[5] = ( ( str[4] & 0x1F ) << 2 ) | ( str[5] >> 6 ); key[6] = ( ( str[5] & 0x3F ) << 1 ) | ( str[6] >> 7 ); key[7] = str[6] & 0x7F; for ( i = 0; i < 8; i++ ) { key[i] = ( key[i] << 1 ); } return; }　/* end of str_to_key */ int main ( int argc, char * argv[] ) { unsigned int　i; unsigned char buf_0[21]; unsigned char buf_1[24]; if ( argc != 2 ) { fprintf( stderr, "Usage: %s n", argv[0] ); return( EXIT_FAILURE ); } memset( buf_0, 0, sizeof( buf_0 ) ); memset( buf_1, 0, sizeof( buf_1 ) ); i = strlen( argv[1] ) / 2; readhexstring( argv[1], buf_0, i ); for ( i = 0; i < sizeof( buf_0 ); i++ ) { fprintf( stderr, "%02X", buf_0[i] ); } fprintf( stderr, "n" ); str_to_key( buf_0, buf_1 ); str_to_key( buf_0 + 7, buf_1 + 8 ); str_to_key( buf_0 + 14, buf_1 + 16 ); for ( i = 0; i < sizeof( buf_1 ); i++ ) { fprintf( stderr, "%02X", buf_1[i] ); } fprintf( stderr, "n" ); return( EXIT_SUCCESS ); }　/* end of main */