Information Flow (Information Theory)

Information Flow (Information Theory)

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Information flow in an information theoretical context is the transfer of information from a variable x to a variable y in a given process. Not all flows may be desirable. For example, a system shouldn't leak any secret to public observers. Securing the data manipulated by computing systems has been a challenge in the past years. Several methods to limit the information disclosure exist today, such as access control lists, firewalls, and cryptography. However, although these methods do impose limits on the information that is released by a system, they provide no guarantees about information propagation. For example, access control lists of file systems prevent unauthorized file access, but they do not control how the data is used afterwards. Similarly, cryptography provides a means to exchange information privately across a non-secure channel, but no guarantees about the confidentiality of the data are given once it is decrypted. In low level information flow analysis, each variable is usually assigned a security more

Product details

  • Paperback | 80 pages
  • 152 x 229 x 5mm | 127g
  • Commun
  • United States
  • English
  • 6135994670
  • 9786135994674