book/gpg/README.md
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## Gnu Privacy Guard
### Generate
```console
gpg --full-gen-key
```
### Basic usage
Signature sig mode:
```console
gpg --detach-sign file.ext
```
Signature asc mode:
```console
gpg --armor --sign file.ext
```
Verify:
```console
gpg --verify file.sig
```
### My user-id
```console
gpg -K
```
### All users-ids
```console
gpg -k
```
### Copy Public Key
```console
gpg --export --armor $(gpg -K --with-colons | awk -F: '/^sec/ { getline; print $10; exit }')
```
### Copy Private key (Caution)
```console
gpg --export-secret-keys -a <user-id> | xclip -sel clip
```
### Change password gpg
```console
gpg --edit-key <user-id>
passwd
```
### Debug gpg
```console
dirmngr --debug-level guru
```
### Import key:
```console
gpg --recv-keys $esefingerprint
```
### Import key from server:
```console
gpg --recv-keys <user-id> --keyserver pgp.mit.edu
```
### Export key 0:
```console
gpg --export --armor <user-id> > public.key
```
### Export key 1:
```console
gpg --armor --output public.key --export <user-id>
```
### Export key to server
```console
gpg --keyserver pgp.mit.edu --send-keys <user-id>
```
## Cifrado
### Cifrado simétrico
#### Cifrar
```console
gpg --symmetric <miarchivo>
```
#### Descifrado
```console
gpg --output <archivo.ext> --decrypt <archivo.gpg>
```
### Cifrado Asimétrico
#### Encryt
```console
gpg --recipient <user-id> --encrypt archivo.ext
```
#### Decrypt
```console
gpg --output archivo.ext --decrypt archivo.ext.gpg
```
## Refresh keys
```console
gpg --refresh-keys
```
### wiki
https://www.gnupg.org/gph/es/manual/book1.html