Il 28/01/2015 02:46, NIIBE Yutaka ha scritto:

[...]
> specification (and with SHA256).  It's default s2kcount is 192 as the
> MCU is slow enough, but you can configure it at compile time (like
> 65535 for host PC, or more).
Uh, I think this exposes a weakness: if the attacker "somehow" accesses
the EEPROM and reads encrypted key material, a low s2k count means he
can recover plain key material quite faster than with more iterations.
Luckily it's configurable. :) Power of open source!

BYtE,
 Diego.


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