Transport Layer Security (called both TLS and SSL) combines public key secret sharing with a secret key cipher to protect a connection.
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Video notes: cys.me/vid/c04.
Video #5 shows how we detect alterations in messages using hash functions vimeo.com/199836576
The previous video explains secret sharing with public key crypto vimeo.com/197452327
See the entire Cryptosmith series in its album Cryptosmith Series
V3, Last updated: 13 March 2017