Cryptography and Network Security . Basics of computer and network S ecurity. Computer security : involves implementing measures to secure a single computer ( protecting the ressources stored on that computer).
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
2. Integrity: the data must arrive to the receiverexactly as theywere sent.
A request for transferring 100$ should not bechanged to a request for 1000$.
3. Authentification: the receiverneeds to be sure of the sender’sidentity.
4.Nonrepudiation: a sender must not be able to denysending a message thathe or she , in fact, didsend.
Hello, This is a sample message to demonstrate signatures.
12 +20 +19 +1 +13 +5 +19 +7 +15 +13 +19 +1 +19 +14 +21 +19
= 217 (therefore the hash value is 217)