Security Experts,
I'm considering encrypting a tar archive and optionally a block file system (via FUSE) using either utility. Does anyone have comments on the best practices and tools for either?
I read that the OpenSSL AES-CBC CLI mode is prone to a malleable attack vector and it's CLI interface should not be use directly for production. I have also read that GPG is the suggested alternative to OpenSSL CLI due to this. I have followed through with the OpenSSL CLI AES tests and am curious where the malleable attack is (in the pipe?). I am also curious to why GPG, which is an asymmetric key manager, is used for file based encryption when only a single key is required. How does GPG solve this malleable attack vector.
A security expert's guidance here is much appreciated.
Thank you,
Nicholas
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