Encryption and decryption using keys

Plaintext ; Console. WriteLine decryptedText ;. Improve this answer. Jim Xu Jim Xu 18k 2 2 gold badges 9 9 silver badges 26 26 bronze badges. CaioSilvac Sorry I cannot understand. Could you please describe it in detail? I'm trying to use this to encrypt and decrypt cookies from a web API. So, I need to encrypt and decrypt my values locally.

I can't do a request using Decrypt Async every time that I will need decrypt. CaioSilva Due to safety concerns, Microsoft does not allow users to get Azure key vault key's private key with any method.

For more details, please refer to docs. So we cannot do decryption action on local. If you just want to do these on local, I suggest you create RSA key on premise then do these. What permission is required to do this? Key Vault Crypto User? I only have Vault acess and it's shared by multiple applications — Jurion. Conclusion In this article, we learned how to use a symmetric key for encryption and decryption in C.

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Asymmetric private keys should never be stored verbatim or in plain text on the local computer. If you need to store a private key, you should use a key container. For more information about how to store a private key in a key container, see How to: Store Asymmetric Keys in a Key Container. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.

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