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I have tried for days to get bcrypt installed on my windows machine with no luck. One of the dependencies (Windows 7 SDK) does not want to be installed even though I have tried numerous suggestions from around the net it just refuses to cooperate.
I need a good alternative to bcrypt which does not have any dependencies.
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SCrypt is a better choice today: better design than BCrypt (especially in regards to memory hardness) and has been in the field for 10 years. On the other hand, it has been used for many cryptocurrencies and we have a few hardware (both FPGA and ASIC) implementation of it.
A lot of your research is correct and still applies in 2021, so it is still secure to use BCrypt (which usually generates its own random salt for each password). Good password hashing algorithms are Argon2, SCrypt and BCrypt, they all offer a cost factor which controls the necessary time.
Sync functions. Bcrypt is 3.1 times faster than bcryptjs in generating hash passwords and 1.3 times faster in comparing function.
bcryptjs explicitly says "Optimized bcrypt in JavaScript with zero dependencies." So, yes, it's a pure Javascript implementation of bcrypt, which purportedly even "runs in the browser". bcrypt on the other hands list a number of dependencies. bcryptjs purports to be compatible with bcrypt.
Check out https://npmjs.org/package/bcryptjs, it's fully compatible with bcrypt just without the dependencies.
Or https://npmjs.org/package/simplecrypt if you don't want the crypto boilerplate and just need to encrypt and decrypt strings.
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