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Tammi L. Coles 2023-10-19 17:35:17 +02:00 committed by Heiko Schaefer
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book/source/04-certificates.md
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@ -82,17 +82,17 @@ Historically, even shorter 32-bit identifiers were used, like this: `2455 4239`,
### Primary key
The "OpenPGP primary key" is a component key that serves a central role in an OpenPGP certificate:
The OpenPGP primary key is a distinct component key that serves a central role in an OpenPGP certificate:
- Its fingerprint is used as the unique identifier for the full OpenPGP certificate.
- It is used for lifecycle operations, such as adding or invalidating subkeys or identities in a certificate.
- Its fingerprint acts as the unique identifier for the entire OpenPGP certificate.
- It facilitates lifecycle operations, such as adding or invalidating subkeys or identities within a certificate.
The validity of the primary key limits its capacity to confer validity to other components. E.g.: The primary key cannot confer an expiration time beyond its own expiration to a subkey. It can also not confer validity to components after it has been revoked.
```{admonition} Terminology
:class: note
In the RFC, the OpenPGP primary key is also sometimes referred to as "top-level key." It has also sometimes informally been called "master key."
In the RFC, the OpenPGP primary key is occasionally referred to as "top-level key." Informally, it has also been termed the "master key."
```
### Subkeys