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| Content Provider | ACM Digital Library |
|---|---|
| Author | Bertoni, Guido Marco Pelosi, Gerardo Breveglieri, Luca Barenghi, Alessandro Palomba, Andrea |
| Abstract | Elliptic curve cryptosystems proved to be well suited for securing systems with constrained resources like embedded and portable devices. In a fault attack, errors are induced during the computation of a cryptographic primitive, and the faulty results are collected to derive information about the secret key stored into the device in a non-readable way. Scenarios where the secure devices are seized by an opponent are quite common. Consequently, it is possible for an attacker to induce changes in the working environment of the device to cause alterations in the computation of the cryptographic primitive. We introduce a new fault model and attack methodology to recover the secret key employed in implementations of the Elliptic Curve Digital Signature Algorithm. Our attack exploits the information leakage induced when altering the execution of the modular arithmetic operations used in the signature primitive and does not rely on the properties of the underlying elliptic curve mathematical structure, thus being applicable to curves defined on both prime fields and binary fields. The attack is easily reproducible with low cost fault injection technologies relying on transient errors placed within a single datapath width of the target architecture. |
| Starting Page | 63 |
| Ending Page | 72 |
| Page Count | 10 |
| File Format | |
| ISBN | 9781450310208 |
| DOI | 10.1145/2070425.2070438 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2011-11-14 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Elliptic curve digital signature algorithm Fault attacks |
| Content Type | Text |
| Resource Type | Article |
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