!!! Overview
A [{$pagename}] and [Private Key] are [Cryptographic Keys] that are [Cryptographically|Cryptographic] (mathematically) linked.[{$pagename}] and [Private Key] together form a Public-Private [Key pair][{$pagename}] need not be protected and SHOULD be expected to be available to [Everybody].

%%information
[{$applicationname}] specifically addresses [RSA Cryptography] on this page even though there are other [Algorithms] which are similar in usage.
%%The [{$pagename}] is used to:
* [Encryption] of a [message] which can __only be__ [decrypted|Decryption] only by the [Private Key]
* perform [Signature Verification] of a [digital signature] which was signed by the [Private Key]. The two keys are used in [Asymmetric Key Cryptography] stems from the use of different keys to perform these opposite functions, each the inverse of the other.

[Asymmetric Key Cryptography] as contrasted [Symmetric Key Cryptography] which relies on the same key to perform both.

!! More Information
There might be more information for this subject on one of the following:
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