Cryptography in C and C++：C和C++中的密码学.pdf

Cryptography in C and C++ MICHAEL WELSCHENBACH Translated by DAVID KRAMER A pressTM Cryptography in C and C++ c Copyright 2005 by Michael Welschenbach Translator and Compositor: David Kramer Editorial Board: Steve Anglin, Dan Appleman, Ewan Buckingham, Gary Cornell, Tony Davis, Jason Gilmore, Jonathan Hassell, Chris Mills, Dominic Shakeshaft, Jim Sumser Assistant Publisher: Grace Wong Copy Manager: Nicole LeClerc Production Manager: Kari Brooks-Copony Proofreader: Anne Friedman T X Support: Fred Bartlett and Arthur Ogawa E Manufacturing Manager: Tom Debolski Cover Designer: Kurt Krames Library of Congress Cataloging-in-Publication Data Welschenbach, Michael. [Kryptographie in C und C++. English] Cryptography in C and C++ / Michael Welschenbach ; translated by David Kramer.– 2nd American ed., rev. and enl. p. cm. The first American edition is a translation of the second German edition, which has been revised and expanded from the first German edition. Includes bibliographical references and index. ISBN 1-59059-502-5 1. Computer security. 2. Cryptography. 3. C (Computer program language) 4. C++ (Computer program language) I. Title. QA76.9.A25W4313 2005 005.8–dc22 2005002553 All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names may appear in this book. Rather than use a trademark symbol with every occurrence