00:00choosing the right encryption is a balance between speed and security today we're contrasting the two
00:07giants of data transmission symmetric and asymmetric encryption let's break down how
00:13they differ in mechanism performance and use cases the first major difference is the keys themselves
00:19symmetric encryption uses a single shared key for both encryption and decryption this same key
00:26is held by both the sender and the receiver asymmetric encryption uses a pair a public key
00:33for encryption and a private key for decryption when it comes to raw power symmetric is computationally
00:40less complex it provides better performance in terms of speed and efficiency making it well
00:46suited for encrypting large amounts of data asymmetric involves more complicated mathematical operations
00:52it is generally slower and therefore more suitable for smaller amounts of data or secure key exchanges
00:59how do we get the keys to the right people symmetric requires a safe pre-established channel to transmit
01:05the secret key it only works where a secure distribution channel is already established
01:10asymmetric is the hero of the open web it enables secure key exchange over insecure channels without
01:16needing a pre-existing secure path to summarize use symmetric when performance and efficiency are
01:22critical use asymmetric for secure data transmission digital signatures and securing communication channels
01:28over the internet understanding this contrast is the key to modern cyber security if this comparison
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