!!! Overview
[{$pagename}] is the process makes an [Assertion] that a [Public Key] is associated to the correct [entity]

[{$pagename}] in [Public Key Cryptography], each person has a set of keys. 

[{$pagename}] is a common feature of protocols that use [End-to-End Security], such as [PGP] and [Off-the-Record Messaging]. 

On [Signal], [{$pagename}] is called "safety numbers." To verify keys without the risk of interference, it's advisable to use a secondary method of communicating other than the one you’re going to be [encrypting]; this is called out-of-band verification. For example, if you are verifying your [OTR] fingerprints, you might email your [fingerprints] to one another. In that example, [email] would be the secondary [Communication Channel].

!! [Alice And Bob]
To send a [message] securely to a [Bob], [Alice] must [encrypt] the [message] using her [Public Key]. 

[Mallory] (an [attacker]) may be able to trick you into using their [Public Key], which means that [Mallory] would be able to read your [message], instead of the [Bob]. That means that you have to verify that a [Public Key] is being used by [Bob]. 

!! More Information
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