Now fingerprint recognition seems to have become the standard for high-, medium-, and low-level smartphones. After many smartphone users buy a new machine, the first thing is to set up their fingerprint identification data. But according to a recent study, some fingerprinting techniques are easily fooled by similar or copied fingerprint data, bypassing the security system.
According to research, the biggest drawback of the fingerprint-based authentication mechanism is that the built-in small sensor cannot capture the complete fingerprint information. Instead, these smartphones save fingerprint data from different users and use them simultaneously in the same authentication system.
After the user uses the fingerprint data, some authentication mechanisms can be bypassed by a certain re-copy portion. The researchers speculated that if enough data from different users on the fingerprints were collected, MasterPrint data could be created to decipher the fingerprint identification system.
The MasterPrint concept is that hackers are trying to crack some concepts based on the Pin system using a simple password like "1234", and Professor Nasir Memon from New York University is mainly engaged in this research.
"In general, a simple password like 1234 has a matching rate of around 4%, and this is already a fairly high probability," Memon said.
Using commercial fingerprint verification software, the researchers found that on a random selection of 800 print copies, an average of 92 MasterPrint data is valid. And wanting to print all 800 fingerprint data is not too difficult. "It's not surprising, the error rate is bigger than we think, and most devices rely on this simple way of identifying," Memon said.
By digitally simulating MasterPrint, the research team reported that the match success rate was between 26% and 65%, and the specific ratio succumbed to the number of valid fingerprints set by the user. The more fingerprint data each user saves in the smartphone, the more fragile the security is.
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