Notice the separation of the keys with a dot. We want to encrypt the value with the key Nested.KeyToEncrypt. "KeyToEncrypt": "This will be encrypted " Lets assume we have a JSON file that looks like this: If you now have your certificate you need to decide what keys you want to encrypt. pfx format containing a public and private key. In fact you can follow every guide as long as the result is a certificate in. An easy way to do this is being described in this guide: Link To use DevAttic ConfigCrypter you will first need to create a self signed X509 certificate that is being used for the encryption and decryption. Lets you share config files or even check them in in your VCS without the need to remove sensitive information.Access the encrypted values the same way you are used to in your.Lets you encrypt only certain keys in your config, so the rest of the config is still readable.It is definitely required to secure your server infrastructure, as this is the only way to protect your connection strings and other sensitive configuration values. For production scenarios Microsoft recommends using the Azure Key Vault, but also this is not perfectly safe and forces you to use Azure. Other possibilities would be using Environment variables or the Secret Manager tool, but in these variants the settings are completely unencrypted. In fact it only makes things harder for an attacker. Protect your certificate with a password that is embedded in your source code (currently not supported, but could be easily implemented).Īlso these methods would not be perfectly safe.Storing your certficate in the windows certificate store (supported by ConfigCrypter) and restricting access to it.This means an attacker could decrypt your config if your server is not secure and the attacker gains access.Īdditional security could be achieved by: Usually the certificate to decrypt is hosted on the same server as your web application. WARNINGĮncrypted configuration files will not make your server infrastructure unhackable. A command line utility that lets you encrypt keys in your JSON configuration files and a library that decrypts them on the fly in your. The DevAttic ConfigCrypter makes it easy for you to encrypt and decrypt config files.
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