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Asked: 2026-06-09T20:30:51+00:00

I made an application that encrypts and stores files in JAVA. I have lots

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I made an application that encrypts and stores files in JAVA.
I have lots of files that are encrypted using AES.
I have four access levels & four KEYs and I want to encrypt each file with its access level specific KEY; I need changing the KEY to make user to be able to change access level of file.
Is it possible to change this key only by providing previous key and without decrypting files and then re-encrypt them?

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1 Answer

  1. Editorial Team

    No, it’s not possible. You’ll have to re-encrypt your files.

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