Hi, I would like to better understand: is gnupg good for big groups?
I would like to encrypt communication in groups - not instant communication like e.g. messengers like pidgin, but like on a forum or web-group - the data persists in an archive, where the communication can be read. Members are coming and leaving a group constantly - that means if somebody leaves the group, she should not be able to read the content decrypted anymore, and if anybody attaches the group all the old content optionally must be encrypted with her key so she can read all data belonging to this group. well, maybe you get the idea. It´s basically like a forum or mailing list with an archive. With my understanding of gnupg I see no other way than to store the data NOT encrypted - in a database or wherever, perhaps on an encrypted disc to compensate for the data not being encrypted - and then to encrypt the data on the fly with the pubkey of the user after the user logged into the website and is checked to belong to the right group. But doing this would be stupid, as it would basically use gnupg only for transport - but there is already SSL and TLS existing for this purpose. So is there any trick to encrypt data at creation time for unknown future users? And how can I remove users from the group of allowed users without re-encrypting the content? Is this possible to realize at all without having to keep the original unencrypted content? Is this scenario - group communication - not a use-case for gnupg at all? Thank you very much for your attention! Have a nice day, Snaky
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