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author Nadia Heninger

Imperfect Forward Secrecy
From Communications of the ACM

Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice

We investigate the security of Diffie-Hellman key exchange as used in popular Internet protocols and find it to be less secure than widely believed.

Where Did I Leave My Keys?
From Communications of the ACM

Where Did I Leave My Keys?: Lessons from the Juniper Dual EC Incident

In this paper, we describe the results of a full independent analysis of the ScreenOS randomness and VPN key establishment protocol subsystems, which we carried...

Lest We Remember
From Communications of the ACM

Lest We Remember: Cold-Boot Attacks on Encryption Keys

DRAM retains its contents for several seconds after power is lost. Although DRAM becomes less reliable when it is not refreshed, it is not immediately erased, and...
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