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Attacking NTP's Authenticated Broadcast Mode
network security network time protocol NTP
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2016/1/27
We identify two attacks on the Network Time Protocol (NTP)’s
cryptographically-authenticated broadcast mode. First, we
present a replay attack that allows an on-path attacker to
indefinitely stick ...
Authenticated Broadcast with a Partially Compromised Public-Key Infrastructure
Authenticated Broadcast Public-Key Infrastructure
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2009/9/2
Given a public-key infrastructure (PKI) and digital signatures, it is possible to construct
broadcast protocols tolerating any number of corrupted parties. Almost all existing protocols,
however, do...