Increased ITERATIONS in decrypt_email.js

[Linkan333]

Description

I increased the ITERATIONS variable in the decrypt_email.js file. This is because it could be usefull for Brute-Force Attacks to use PBKDF2 (Password-Bases Key Derivation Function 2). It could be bad for the performance on your website cause it will take longer time for each key to be generated.

For example at 100,000 iterations it might take ~100ms to derive a key. If you do the math with approximate 1 million password it would take ~27 hours on a single cpu to crack

[vercel]

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[github-actions]

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