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They're still a thing as recently as a year or two ago when I looked into it. They're "perfect" in that the receiver can't be identified from the message or it
by hereforphone 5y ago
They're still a thing as recently as a year or two ago when I looked into it. They're "perfect" in that the receiver can't be identified from the message or its channel (other than catching him with his radio), and that the message cannot be reversed (encoded w/ a one time pad). So they're hard to replace.
- DarylZero 5y agoOne time pads aren't perfect. The same secret has to be stored on both sides and can be compromised from either side. OTP has to be delivered preserving secrecy. Transmitting a public key only needs to preserve integrity.