How it works and what to do about it

The cryptographic vulnerability known as Return of Coppersmith’s Attack, or ROCA, is arguably the most serious…

and pervasive publicly known flaw in digital cryptography to date.

Revealed in October 2017, the ROCA vulnerability puts a significant number of public/private key pairs at risk, leaving companies and governments struggling to grasp the implications.

For example, what to do with 60 million national ID smart cards impacted in Spain, and an unknown number of susceptible network authentication tokens and encrypted hard drives? Estonia, which had issued approximately 760,000 flawed national identity cards, chose to suspend the cards and required citizens to renew the flawed ID cards.

How does it work?

The ROCA vulnerability…

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