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Asked: 2026-05-20T20:08:25+00:00

I’m working in .net environment (all versions) and using vb.net. I want to generate

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I’m working in .net environment (all versions) and using vb.net. I want to generate RSA public and private keys based on a passphrase.

My understanding of RSA algorithm only limited by using a class provided by the .net ie System.Security.Cryptography.RSACryptoServiceProvider Class. I know how to generate random RSA public/private keys and perform encryption/decryption.

But that .net class don’t let us creating RSA public/private keys based on a passphrase.

Although I’m using vb.net, anyone with solutions in c#, c, c++ or any .net compatible language are welcomed to contribute as I can access the solution via p/invoke or dll reference.

Thanks in advance!

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1 Answer

  1. Editorial Team

    You won’t need RSA if you don’t need public key encryption.

    Use symmetrical encryption with password-based key derivation function (e.g. AES with PBKDF2). It will be faster and more secure.

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