diff -r ca70467bd0a8 -r 223522298250 QTfrontend/rndstr.cpp --- a/QTfrontend/rndstr.cpp Sun Aug 27 13:16:40 2006 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,67 +0,0 @@ -/* - * Hedgewars, a worms-like game - * Copyright (c) 2005 Andrey Korotaev - * - * Distributed under the terms of the BSD-modified licence: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * with the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO - * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include -#include "rndstr.h" - -const char * letters = "qwertyuiopasdfghjklzxcvbnm" \ - "QWERTYUIOPASDFGHJKLZXCVBNM" \ - "0123456789"; -const quint8 letterscnt = 62; - -const char * upd = "/hw!/"; -const quint8 updcnt = 5; - -RNDStr::RNDStr() -{ - SHA1Init(&ctx); - QDateTime now = QDateTime::currentDateTime(); - QDateTime zero; - int secs = now.secsTo(zero); - SHA1Update(&ctx, (quint8 *)&secs, sizeof(int)); -} - -void RNDStr::GenRNDStr(QString & str, quint32 len) -{ - str = ""; - sha1_ctxt tmpctx; - sha1_digest digest; - for(quint32 i = 0; i < len; i++) - { - SHA1Update(&ctx, (quint8 *)upd, updcnt); - qMemCopy(&tmpctx, &ctx, sizeof(sha1_ctxt)); - SHA1Final(digest, &tmpctx); - int index = (digest[3] + digest[11] + digest[17]) % letterscnt; - str += letters[index]; - } -}