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eavesdropper    
n. 偷听者

偷听者

eavesdropper
n 1: a secret listener to private conversations

Eavesdropper \Eaves"drop`per\, n.
One who stands under the eaves, or near the window or door of
a house, to listen; hence, a secret listener.
[1913 Webster]

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  • Dhwani : Peer–Peer Secure Acoustic NFC
    Due to linearity Transmitter Receiver Transmission Jamming Eavesdropper 10cm Dhwani : Acoustic NFC system Challenges in acoustic communication Dhwani – system design JamSecure : Secure NFC technique JamSecure - Idea Scope and Limitations Dhwani : Performance Performance of JamSecure and communication system
  • PowerPoint Presentation
    Secure Communication Alice Bob Eavesdropper “Eve” m Alice wants to send a message m to Bob without revealing it to Eve Secure Communication
  • CS 259: TLS SSL - Stanford University
    VersionC, SuiteC VersionS, SuiteS, signCA{ S, KS } { SecretC } C S KS Replay Attacks Network eavesdropper can record messages If protocol is deterministic, then Eavesdropper can replay client messages to server, OR Eavesdropper can replay server message to client This is a problem In each session, each party should be guaranteed that the other
  • CHAPTER 15 - Quantum cryptography - Masaryk University
    QUANTUM KEY GENERATION - PROLOGUE Very basic setting Alice tries to send a quantum system to Bob and an eavesdropper tries to learn, or to change, as much as possible, without being detected Eavesdroppers have this time especially hard time, because quantum states cannot be copied and cannot be measured without causing, in general, a disturbance
  • William Stallings, Cryptography and Network Security 5 e
    The first published report on Kerberos [STEI88] listed the following requirements: • Secure: A network eavesdropper should not be able to obtain the necessary information to impersonate a user More generally, Kerberos should be strong enough that a potential opponent does not find it to be the weak link
  • 15-853: Algorithms in the Real World - Duke University
    Page * The Cast Alice – initiates a message or protocol Bob - second participant Trent – trusted middleman Eve – eavesdropper Mallory – malicious active attacker, Trent Alice Bob Eve Mallory Page * Private Key Exchange Trusted party method Public Key method Trent Alice Bob Eka(k) Ekb(k) Generates k Alice Bob Generates k Ek1(k) k1 = Bob
  • PowerPoint Presentation
    We can exploit the eavesdropper detection that is intrinsic to quantum systems in order to derive new “unconditionally secure” information security protocols The security depends only on the laws of physics, and not on computational assumptions
  • PowerPoint Presentation
    If G is a pseudorandom generator, then has indistinguishable encryptions in the presence of an eavesdropper Proof idea?
  • PowerPoint Presentation
    But an eavesdropper can’t compute them, since they don’t have X or X’ Attacks One downside: this is less secure than pure symmetric encryption There are ways to attack this that do better than brute force Number theory and group theory allow theoretical attacks that are provably better than exponential, but worse than polynomial time So
  • Introduction to Programming - Stanford University
    (one-time if no nonce) key: 128 or 256 bits





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