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fix typos

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cool-mist 2022-07-17 00:24:59 +05:30
parent 26039bee56
commit 707f538f20
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_posts/2022-07-16-smartphonelock.markdown
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@ -13,7 +13,7 @@ That we don't think enough about security. I'm outlining the most common options
# The Rating System
I will be providing 2 different ratings for each method analyzed.
I will be providing 3 different ratings for each method analyzed.
- **TSR** - The Theoretical Security Rating - a measure of security that is possible using an option.
- **PSR** - The Practical Security Rating - a measure of security that is achieved in practice while using an option.
@ -25,7 +25,7 @@ A numeric password was the first mechanism implemented in early phones - when th
The most common configuration was an input field that unlocked your phone when fed in a passcode of 10 numbers. The total number of possible combinations is `10^10` (because each position can be filled in 10 different ways). Assuming it takes 3 seconds to try out a single combination of 10 numbers, it would take 105 years to try out all possible combinations.
This option is available in modern smartphones as well, along with an alphanumeric option so that the total number of combinations is increased to `36^maxLengthOfPassCode`, and this is a huuuge number!. We are also able to shuffle the numbers across attempts so that tracking the keys touched cannot be inferred from the oil smudges.
This option is available in modern smartphones as well, along with an alphanumeric option so that the total number of combinations is increased to `36^maxLengthOfPassCode`, and this is a huuuge number! We are also able to shuffle the numbers across attempts so that tracking the keys touched cannot be inferred from the oil smudges.
The problem with this is the difficulty in remembering and entering an arbitrary number/phrase. Therefore people often resort to easily guessable passwords like their date of birth, their partner's number, their name and so on. Also, many phones have reduced the maximum length of the passcode to around 4, while at the same time introducing a timer when you enter incorrect passwords a certain number of times, to thwart brute-forcing your way through it.

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index.html
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@ -47,4 +47,3 @@ layout: default
</div>
{% endif %}
</div>