# Openssl

* KEY a PEM, cuidado, queda sin contraseña

```
openssl pkcs8 -inform DER -outform PEM -in cert.key -out cert.pem
```

* DER a PEM, cuidado, queda sin contraseña

```
openssl pkcs8 -inform DER -in certificate.key -out certificate.pem
```

* CER a PEM

```
openssl x509 -inform der -in cert.cer -out cert.cer.pem
```

* A PFX

```
openssl pkcs12 -export -out cert.pfx -inkey cert.key.pem -in cert.cer.pem
```