Asymmetric Keys
Keys used with an asymmetric encryption algorithm, such as RSA, DSA, or Diffie-Hellman. Asymmetric keys come in pairs, with a Public and Private Key. Anything that is encrypted with the Public Key can only be decrypted with the Private Key and vice versa. Typically, the Private Key is kept secret. The Public Key is given out to others who use it to encrypt data. Once it is encrypted with the Public Key, the data can only be decrypted by the person/system that holds the Private Key. In a different use case, the Public Key can be used to verify Digital Signatures created using the Private Key. When using Asymmetric Keys, it is important to assure that the correct Public Key is being used to Encrypt data or verify Digital Signatures to prevent a Man-in-the-Middle Attack.
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