It's common to hear the term asymmetric or symmetric cryptography but what does this actually mean? A brief explanation is that asymmetric cryptography is cryptography that has two keys which is why it is also called public-key cryptography. Both keys in the algorithm are linked to each other in a mathematical way, which allows for using EPKE (Enveloped Public Key Encryption) in the common TLS connection. EPKE using an asymmetric cryptography algorithm allows for security from the message being read and from it being tampered with.
The wolfSSL embedded SSL/TLS library supports several different asymmetric algorithms, including RSA, ECC, and Ed25519!
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