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Johnny_Brahms
on May 31, 2016
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Show HN: Arc – secure file archiver
in that example he is using symmetric encryption , so a password, no private key.
stouset
on May 31, 2016
[–]
Symmetric encryption is still based on secret keys, not passwords. Symmetric cryptosystems that appear to use passwords just transform them with a key derivation function into a suitable-length encryption key for the underlying cipher.
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