Can someone break a one-time pad encryption
Can you say that one-time pad encryption is unbreakable and is best when used correctly?
A persistent problem with any encryption is trust. You need to trust that the person you are messageing to is with you and not delivering the message or key to someone who shouldn't have it. You have to trust that the people who invented the encryption scheme you used did not contain a backdoor or an accident bug. With OTP there is the problem of trust with the recipient. However, if you cannot physically give the key to the recipient yourself, you must now to an entity Third party providers trust to whom the key can be passed The recipient. This problem persists even today with modern encryption and authentication.
If I were a potential user, I would never put my trust in a third party generating a key and transmitting it over a network connection. There is also no way for a user to ensure that they are genuinely generating random keys or if they have been compromised. It is definitely not a proper use of OTP as the encryption is only as strong as its worst weakness. If you send the key over the internet, you have lost all the benefits that real OTP can offer, and you can go for AES-256 too.
I think it's safe to say that OTP is technically the best transport encryption, with the word "best" referring to security. This does not mean that it is "best" for most use cases, and OTP has some serious drawbacks. The key has to be kept somewhere, which means the key can fall into the wrong hands. Modern block ciphers usually have shorter keys that a human can remember, making it much more difficult for third parties to extract. It is also very difficult to implement something like AES poorly with the right software.
What you can count on more than the safety of OTP is the laziness of the people; We naturally strive to do what is easiest and this has resulted in people in the past making some really bony decisions that cost them the security of their communication channel. Sometimes lazy people choose to reuse keys as soon as their key or codebook is used up and they do not have the means to generate and transport a new one. The result can be far worse than stopping communications entirely.
Define your best and the answer can be yes or no.
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