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The Security of All Private-key Bits in Isogeny-based Schemes
supersingular isogeny Diffie--Hellman bit security hardcore bits
2019/3/1
We study the computational hardness of recovering single bits of the private key in the supersingular isogeny Diffie--Hellman (SIDH) key exchange and similar schemes. Our objective is to give a polyno...
Meet-in-the-Middle Attack on 8 Rounds of the AES Block Cipher under 192 Key Bits
Block cipher Advanced Encryption Standard Meet-in-middle attack
2010/10/26
The AES block cipher has a 128-bit block length and a user key of 128, 192 or 256 bits, released by NIST for data encryption in the USA; it became an ISO international standard in 2005. In 2008, Demir...
Reconstructing RSA Private Keys from Random Key Bits
RSA Private Keys Random Key Bits attacks of Halderman
2009/6/10
We show that an RSA private key with small public exponent can be efficiently recovered
given a 0.27 fraction of its bits at random. An important application of this work is to the
"cold boot" attac...