2 citations · 2 across the 3 of their papers we have counts for
4 papers
Attestation with Constrained Relying Party
Mariam Moustafa, Arto Niemi, Philip Ginzboorg +1
Allowing a compromised device to receive privacy-sensitive sensor readings, or to operate a safety-critical actuator, carries significant risk. Usually, such risks are mitigated by…
Trusted Hart for Mobile RISC-V Security
Vladimir Ushakov, Sampo Sovio, Qingchao Qi +4
The majority of mobile devices today are based on Arm architecture that supports the hosting of trusted applications in Trusted Execution Environment (TEE). RISC-V is a relatively…
Defeating the Downgrade Attack on Identity Privacy in 5G
Mohsin Khan, Philip Ginzboorg, Kimmo Järvinen +1
3GPP Release 15, the first 5G standard, includes protection of user identity privacy against IMSI catchers. These protection mechanisms are based on public key encryption. Despite…
On estimating the alphabet size of a discrete random source
Philip Ginzboorg
We are concerned with estimating alphabet size from a stream of symbols taken uniformly at random from that alphabet. We define and analyze a memory-restricted variant of an al…