Encrypt archives?

Hey all,
i am just wondering if it is possible to encrypt archives such as zip folders.
I saw string encryption, and single file encryption, but not folder/archive encryption. Any help is appreciated.
Last edited on
Yes, it's possible, if that answers your question.
The question you're not asking is probably this: "how to do it in my own program?"

Search the internet for a crypto library then use it, that's the medium difficulty way.
The hard way is reading a cryptography book and implement a cipher from its specifications, or invent one yourself.
As for the easy way, there is no easy way.
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