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mLine 50:
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Line 58: − + − − This form of public key encryption works best with sets of private and public keys.
→Example: better wording, removed ambiguous sentence
* Fred '''encrypts''' the message using his ''private key''. (only fred knows this key)
* Fred '''encrypts''' the message using his ''private key''. (only fred knows this key)
* Fred sends the encrypted message
* Fred sends the encrypted message
* George gets the message (others may as well,but that is not important)
* George gets the message (others may as well, but that is not important)
* George '''decrypts''' the message using Fred's ''Public key''.
* George '''decrypts''' the message using Fred's ''Public key''.
* Only a message coded with the private key can be decoded with the public key so George knows it came from Fred.
* Only a message coded with the private key can be decoded with the public key so George knows it came from Fred.
* Only Fred's ''private key'' can '''decrypt''' the message, so it is secure
* Only Fred's ''private key'' can '''decrypt''' the message, so it is secure
* Fred receives the message and decrypts it
* Fred receives the message and decrypts it
* It's a valid message but Fred can't know who sent it, anyone with the public key could send to him. For this reason, George may encrypt the message with his private key as well as Fred's public key, to prove it came from George while ensure only Fred can read it.
* It's a valid message but Fred can't know who sent it, anyone with the public key could send to him. For this reason, George may encrypt the message with his private key as well as Fred's public key, to prove it came from George while ensuring that only Fred can read it.
==References==
==References==