Legendary iPhone crack tool "grey key"

Crack the iPhone with a 4-digit password for as long as 6.5 minutes

Related news: iPhone unlock artifact appeared: you can carry a crack two mobile phones with you

Sina Mobile News April 17 morning news, before we reported a "GrayKey" iPhone crack tool, today's foreign media continue to reveal more details about this mysterious tool, it is more than we think It's also awesome. Cracking an iPhone with a 4-digit password is as fast as 6.5 minutes.

Previous news said that it took several days to crack the 6-digit iPhone with this box, but it has not been used for so long.

This situation is also related to Apple's own protection mechanism. Matthew Green, assistant professor and cryptographer at the John Hopkins InformaTIon Security InsTItute, said on Twitter that a vulnerability has invalidated Apple's password guess protection, a 4-digit The number of passwords can be cracked on average within 6.5 minutes, and the 6-digit password can be calculated in 11 hours.

The iOS system has built-in options to clear the iPhone after entering the wrong password for 10 times, or to automatically delay after 5 incorrect entries, but GrayKey seems to bypass these protections.

When Apple introduced iOS 9 in 2015, it changed the default 4-digit password to 6 digits. However, many users think that entering 6 digits is too much trouble, and it will still set 4 digits.

How many passwords did you set?

But this is very insecure. According to Green, the 4-digit password is the slowest 13 minutes and the average 6.5 minutes. The 6-digit password is cracked for 11 hours, with an average of 11.1 hours. The 8-bit password is the slowest 92.5 days, with an average of 46 days. Password cracking takes 9259 days (25 years) at the slowest, with an average of 4629 days (13 years).

Security experts recommend that people should use passwords of at least 7 characters and use a mixture of numbers, letters, and symbols. The more complex the password, the longer the better.

But in real life, more than 90% of people are too lazy to do this - the actual situation is that unless the business politicians, the average person's mobile phone will not be willing to spend so much energy and time to crack.

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