The introduction and rapid progress of e-commerce on the World Wide Web within the mid-1990s made it apparent that some type of authentication and encryption was needed. When a client requests access to an SSL-secured server, the server sends a copy of the certificate to the consumer. The SSL shopper checks this certificate , and if the certificates checks out, the server is authenticated and the client negotiates a symmetric-key cipher for use in the session. The session is now in a very secure encrypted tunnel between the SSL server and the SSL shopper. The end-to-end encryption paradigm does not directly address dangers on the endpoints of the communication themselves, such because the technical exploitation of purchasers, poor quality random number mills, or key escrow. E2EE also does not handle traffic analysis, which relates to issues such because the identities of the endpoints and the occasions and quantities of messages …

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