amazon web services - S3 keys from a QT/C++ client -

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we have application written in c++/qt sits on client machines around world , client uploads files amazon s3, best way authenticate amazon without including amazon key on every client, there way generate unique key each client (1000s of potential clients)?

would make more sense send intermediate server or proxy , there upload files amazon s3?

the optimum way implement follow below steps:

step1: allow clients upload files intermediate server.

step2: store aws s3 bucket user credentials in intermediate server file or database.

step3: upload files intermediate server amazon s3 bucket.

hope helps....


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