Term · Safety & Security
Timing attack
Recovering secrets from how long an operation takes, exploiting data-dependent branches, table lookups, early-exit comparisons or cache hits and misses. It can be mounted remotely over a network as well as locally.
- Type
- Term
- Domain
- Safety & Security, Hardware attacks
Notes
The reason cryptographic code compares MACs with a constant-time routine rather than an ordinary memcmp.
Related terms
- Side-channel attack
- Spectre
- Constant-time implementation
- SPA
Part of the Safety & Security glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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