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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 --keyid-format SHORT | awk -F: '/^pub:/ { print $5 }') | xclip -sel clip
```

### 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