In this work, we demonstrate two concrete attacks that exploit collisions on short block ciphers. First, we present an attack on the use of 3DES in HTTPS.
Aug 24, 2016 · In this work, we demonstrate two concrete attacks that exploit collisions on short block ciphers. First, we present an attack on the use of 3DES in HTTPS.
Dec 8, 2018 · On the Practical (In-)Security of 64-bit Block Ciphers. Collision Attacks on HTTP over TLS and OpenVPN. Karthikeyan Bhargavan. Inria, France.
In this work, we demonstrate two concrete attacks that exploit collisions on short block ciphers. First, we present an attack on the use of 3DES in HTTPS that ...
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On the Practical (In-)Security of 64-bit Block Ciphers. Collision Attacks on HTTP over TLS and OpenVPN. Karthikeyan Bhargavan Gaëtan Leurent
Mar 8, 2016 · On the Practical (In-)Security of 64-bit Block Ciphers. Collision Attacks on HTTP over TLS and OpenVPN. Karthikeyan Bhargavan. Inria, France.
When drawing random n-bit strings, a collision is expected after roughly 2n/2 draws. More generally, 22t−n collisions with 2t draws. ▷ CBC leaks plaintext after ...
Duration: 31:13
Posted: Nov 7, 2016
Posted: Nov 7, 2016
Explore practical security vulnerabilities in 64-bit block ciphers, focusing on collision attacks in HTTP over TLS and OpenVPN.
We observe that such attacks have now become practical for the common usage of 64-bit block ciphers in popular protocols like TLS and OpenVPN.