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The 9 Lives of Bleichenbacher's CAT: New Cache ATtacks on TLS Implementations
TLS Bleichenbacher Side-channels
2018/12/3
Over the last twenty years researchers and implementors had spent a huge amount of effort in developing and deploying numerous mitigation techniques which were supposed to plug all the possible source...
New Bleichenbacher Records: Practical Fault Attacks on qDSA Signatures
Digital Signature Fault Attack Bleichenbacher's Nonce Attack
2018/5/2
In this paper, we optimize Bleichenbacher's statistical attack technique against (EC)DSA and other Schnorr-like signature schemes with biased or partially exposed nonces. Previous approaches to Bleich...
Many web hosts are still vulnerable to one of the oldest attacks against RSA in TLS. We show that Bleichenbacher’s RSA vulnerability from 1998 is still very prevalent in the Internet and affects almos...
Using Bleichenbacher's Solution to the Hidden Number Problem to Attack Nonce Leaks in 384-Bit ECDSA
cryptanalysis digital signatures lattice techniques
2014/3/12
In this paper we describe an attack against nonce leaks in 384-bit ECDSA using an FFT-based attack due to Bleichenbacher. The signatures were computed by a modern smart card. We extracted the low-orde...