The GNU Privacy Guard
GnuPG allows users to encrypt and sign their data and communication. The project features a resourceful key management solution, as well as access to modules that can be used for all sorts of public key directories.
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What's New in This Release:
- A possible scenario is that the attacker places a sensor (for example a standard smartphone) in the vicinity of the targeted machine. That machine is assumed to do unattended RSA decryption of received mails, for example by using a mail client which speeds up browsing by opportunistically decrypting mails expected to be read soon. While listening to the acoustic emanations of the targeted machine, the smartphone will send new encrypted messages to that machine and re-construct the private key bit by bit. A 4096 bit RSA key used on a laptop can be revealed within an hour.