How to secure firebase token, url and airtable api key and base id?

[ayan1 (AYAN)]

[Free/OS] Keystore - Secure Encryption and Decryption

Making this open source for a couple of reason. Main reason is that it deals with data encryption and therefore, in my opinion, it is best to use open source so that the code can be inspected and verified as being secure and sound when dealing with encryption. Second reason is that this is my first extension and first time using Java. I welcome any constructive criticism or feedback so that I may learn best practices. It should still be considered beta until it has been fully tested. As I only …

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