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I need a function that encrypts fstring

UE4 does not come with a function that converts fstring to hd5fstring, or uses RSA or DSA to generate keys, encrypt strings and decrypt them. Although UE4 has the function of encrypting items, information such as user’s password needs to be encrypted. If you provide the relevant function, then it is very convenient.

You can use any compiled C++ library for that and create the wrappers for UE data types to exchange data with it.

Eeem,I had buy a plugin from market to solve this problem.As expected, the functions not provided by the Unreal Engine will be produced by plug-in manufacturers.