The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A general stream cipher with memory (SCM) mode in which each ciphertext symbol depends both on the current and on the previous plaintext symbols is pointed out. It is shown how to convert any keystream generator into the SCM mode and the security of both the modes is discussed. It is proposed how to construct secure self-synchronizing stream ciphers, keyed hash functions, hash functions, and block...
Viruses the next generation, Kim Zetter. Viruses are getting faster and more prolific. They have been around since the early 60s when they infected through floppy disks, the 'sneaker net'. They can go around the world in minutes, sent by E-mail. With the trend within industry to use the same off the shelf products - Windows, Word, Outlook - viruses can hit millions of machines in one fell swoop. Ron...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.