Playback: a TLS 1.3 story

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Video in TIB AV-Portal: Playback: a TLS 1.3 story

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Playback: a TLS 1.3 story
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CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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2018
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English

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Abstract
TLS 1.3 is the new secure communication protocol that should be already with us. One of its new features is 0-RTT (Zero Round Trip Time Resumption) that could potentially allow replay attacks. This is a known issue acknowledged by the TLS 1.3 specification, as the protocol does not provide replay protections for 0-RTT data, but proposed countermeasures that would need to be implemented on other layers, not at the protocol level. Therefore, the applications deployed with TLS 1.3 support could end up exposed to replay attacks depending on the implementation of those protections. This talk will describe the technical details regarding the TLS 1.3 0-RTT feature and its associated risks. It will include Proof of Concepts (PoC) showing real-world replay attacks against TLS 1.3 libraries and browsers. Finally, potential solutions or mitigation controls would be discussed that will help to prevent those attacks when deploying software using a library with TLS 1.3 support.
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Context awareness Observational study Multiplication sign Transport Layer Security MiniDisc Musical ensemble Vector potential
Complex (psychology) Group action Presentation of a group State of matter Multiplication sign View (database) 1 (number) Combinational logic Water vapor Information technology consulting Mathematics Cuboid Data conversion Information security Data compression Formal grammar Scripting language Software developer Transport Layer Security 3 (number) Telecommunication Order (biology) Phase transition Website MiniDisc Cycle (graph theory) PRINCE2 Information security Annihilator (ring theory) Asynchronous Transfer Mode Point (geometry) Server (computing) Implementation Perfect group Link (knot theory) Tape drive Virtual machine Mathematical analysis Field (computer science) Revision control Goodness of fit Internetworking Software testing Communications protocol Traffic reporting Computing platform Hydraulic jump Form (programming) Default (computer science) Focus (optics) Information Physical law Projective plane Mathematical analysis Frame problem Symbol table Approximation Graphical user interface Word Software Mixed reality Video game Communications protocol Window
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Functional (mathematics) Group action Server (computing) Multiplication Multiplication sign Decision theory Web browser Food energy Single-precision floating-point format Message passing Bit rate Order (biology) Energy level File viewer Game theory Information security Computing platform Embargo Physical system
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