Cryptography - Secret / Private Key

About

A secret is a cryptographic material that should not be known by the public in order to secure the transaction.

A secret is categorized as something you have authentication.

It's also known as the private (to convey that you should not share it at all).

Scheme

Asymetric

In a asymmetric scheme, this is the private key while the public key can be shared.

When you read secret in a asymmetric cryptographic documentation, it has a lot of chance that it refers to it.

Symmetric

In a symmetric scheme, the secret is the symmetric encryption key (or shared secret). It should only be shared between the two parties, not publicly.


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