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Cryptographical transformations aren't supposed to be one-way. Not if you know the key anyway. It would be pretty pointless to encrypt something in a way that c
by contravariant 10y ago
Cryptographical transformations aren't supposed to be one-way. Not if you know the key anyway. It would be pretty pointless to encrypt something in a way that can't ever be read.
- andorov 10y agoIt is useful in cases where you want to verify something is the same as a stored (encrypted) value - e.g. passwords. One-way encryption where the entire process including the equivalent of salt/pepper is publicly available and not reversible might have some interesting applications.