Hi guys! I have posted this before. I am exploring the possibility of creating an access control mechanism on IPFS. I discovered his post while cruising the IPFS forum and learned about Cryptree . I thought the Cryptree mechanism would provide flexible access control, but I found a problem. Proble…

You can delete files from IPFS, you have to remove it from all nodes that host it. It’s similar to http, you can trivially remove the file from your own servers / IPFS nodes, but if I host a copy on my server then you can’t easily do it, because it’s my server and you don’t have access to it (so you…

Thank you for your reply. Your explanation helped me to understand and sort out my lack of understanding. As a result, file A is encrypted with a new key ‘a’', but the original file encrypted with ‘a’ remains on X’s hard drive. Consequently, X is still able to access file A. I feel our purposes…

Very interesting. Real deletions happen in Peergos because the blocks are garbage collected (deleted) very quickly. My understanding is that the Peergos mechanism does not share data with other nodes, so is it possible to delete the data?

Yes. Authorization from the original creator is required to retrieve encrypted blocks. This means blocks can only be on nodes with authorization, and it is only pinned on a user’s home server and any mirrors they authorize. The details are here: Release the BATs (block level access control in IPFS) …

[image] Yudai: I feel our purposes and perspectives are different. I believe what you are saying is that it’s impossible to prove that the person who denied access has deleted the shared data. My intention was to make the data non-re-downloadable. This is a form of access denial. You can do i…

I am interested in this and this approach by mangofarms may work for you. RavenProject/rips/blob/master/rip-0011.mediawiki <pre> RIP: 11 Title: Asset Metadata Encryption Protocol Authors: The Mango Farm Team Comments-Summary: No comments yet Comments-URI: https://github.com/RavenPro…

Problems with access control mechanisms

ianopolous June 5, 2023, 8:04am 4

Real deletions happen in peergos because the blocks are garbage collected (deleted) very quickly.

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Problems with access control mechanisms

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