SSL Complete Guide 2021: HTTP to HTTPS - Symmetric Key Encryption

The video tutorial introduces encryption mechanisms, focusing on symmetric and asymmetric encryption. It explains symmetric encryption, where the same key is used for both encryption and decryption, highlighting its main drawback: the risk of key exposure. The tutorial emphasizes the importance of keeping the key secret to maintain data security. The session concludes with a brief mention of protocols that use symmetric encryption, setting the stage for the next lecture.

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