Question about data encryptoin.

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The discussion centers on the need for software that encrypts data at one end and decrypts it at the other without transmitting the encryption key over the network. The concept of public key encryption is highlighted as a potential solution, where the key remains securely installed on both the sending and receiving computers. Participants express appreciation for the clarification, noting that they previously encountered overwhelming information while searching for answers. The conversation emphasizes the importance of understanding encryption methods that ensure secure data transmission without exposing sensitive keys.
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I was wondering if there is software that will encrypt the data on one end transmit it, then decrypt it on the other end without actually transmitting the key. The key would be held on the sending and receiving end without ever being transferred between the two. It would be manually installed on both computers and used to encrypt and decrypt without revealing the key over the network?

Perhaps this already occurs and I am unaware?

Just tryine to learn a little bit more.
 
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Thank you very much, that was very helpful. I had tried searching myself, but found way too much information all at once.
 
Thread 'Is this public key encryption?'

Thread 'Is this public key encryption?'

I've tried to intuit public key encryption but never quite managed. But this seems to wrap it up in a bow. This seems to be a very elegant way of transmitting a message publicly that only the sender and receiver can decipher. Is this how PKE works? No, it cant be. In the above case, the requester knows the target's "secret" key - because they have his ID, and therefore knows his birthdate.
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