Jamie Nicolson <[EMAIL PROTECTED]> wrote: > Jens wrote: > > This is amazing. They are either readable with the private key of the > > receiver and also with the private key of the sender? > > Technically, the message is not encrypted with a public key. A one-time > symmetric key is generated and used to encrypt the message (with > triple-DES, for example). One copy of the symmetric key is encrypted > with the recipient's public key, and another copy of the symmetric key > is encrypted with the sender's public key. Both encrypted copies of the > key are included in the email message. To read the message, one of the > copies of the symmetric key is decrypted with the reader's private key, > and then the recovered symmetric key is used to decrypt the message.
This makes it clear. Thank you for the explanation. Jens
