What is an RSA key used for?

RSA is the standard encryption algorithm used to secure data transmission over the internet.

  • Key Pair: When you generate a CSR, your server creates a pair of keys: a Public Key (included in your SSL) and a Private Key (kept on your server) .
  • Encryption: The RSA key ensures that data encrypted with the public key can only be decrypted by the corresponding private key, guaranteeing that only the intended server can read your visitors' sensitive information. (Note: Technical details of RSA algorithms are general knowledge and not explicitly detailed in the sources).
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