[Cryptography] RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis

[Werner Koch]

On Thu, 19 Dec 2013 01:19, anzalaya at gmail.com said:

> Have you trief this out against openssl ? How succesful do you think it
> would be ?

OpenSSL seems not to be vulnerable.  The reason is that OpenSSL uses
Montgomery multiplication which protects against this concrete attack.
The attack is based on the specific way GnuPG switches between Karatsuba
and simple multiplication.


Shalom-Salam,

   Werner

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