a craftsman, a developer
Joined February 2013
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Constant time hash comparison
Luca Mearelli
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7 responses
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ruby, security
Achievements
99 Karma
3,499 Total ProTip Views
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/forked1-63f23ad054823f6065b4526f8552dbc2c4fbaa75d22db7150d700201218ac426.png)
Forked
Have a project valued enough to be forked by someone else
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/walrus-1f517cbbd8f030099b8386c53d4ee40fece3fa146b6362accb3abddb436482cb.png)
Walrus
The walrus is no stranger to variety. Use at least 4 different languages throughout all your repos
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/earlyadopter-20380a1f9aae3eb4fec2497bd3d943ac4ca0e3aa08248755350b947f2098bb65.png)
Opabinia
Started social coding on GitHub within 6 months of its first signs of life
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/charity-bab6d575c53894cc9e395db7cdb1f0f91f176fa0cc8122c5f824e672f3d556a4.png)
Charity
Fork and commit to someone's open source project in need
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/mongoose-299fb33af2a4e416505b484d73e79ee3ff1840f3c7385d6bbbc158f76be054cb.png)
Mongoose
Have at least one original repo where Ruby is the dominant language