Strong authentication and strong integrity (SASI) is not that strong
Radio Frequency Identification: Security and Privacy Issues: 6th International …, 2010•Springer
In this work, we present a practical passive attack on SASI, an ultra-lightweight mutual
authentication protocol for RFID. This attack can be used to reveal with overwhelming
probability the secret ID of the prover by eavesdropping about 2 17 authentications. The
result dismantles SASI and, more generally, provides a new approach that threatens ultra-
lightweight authentication protocols.
authentication protocol for RFID. This attack can be used to reveal with overwhelming
probability the secret ID of the prover by eavesdropping about 2 17 authentications. The
result dismantles SASI and, more generally, provides a new approach that threatens ultra-
lightweight authentication protocols.
Abstract
In this work, we present a practical passive attack on SASI, an ultra-lightweight mutual authentication protocol for RFID. This attack can be used to reveal with overwhelming probability the secret ID of the prover by eavesdropping about 217 authentications. The result dismantles SASI and, more generally, provides a new approach that threatens ultra-lightweight authentication protocols.
Springer
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