> For the complete documentation index, see [llms.txt](https://docs.editran.onesait.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.editran.onesait.com/documentacion-editran/copy-of-privado-editran-v5.3-cics/firma-electronica/requisitos.md).

# Requisitos

1. Disponer de versión editran 5.2 o superior.
2. Licencia. Haber contratado el producto editran/FF.
3. JAVA (consulte [Manual\_de\_Instalacion\_y\_Usuario-editran-FirmayVerificacion-CICS-IMS\_v7.1.1](/documentacion-editran/ibm-editran-v5.3-comun-z-os/editran-ff-instalacion-firma-y-verificacion-v7.1.1.md)).

* Tener instalado correctamente Java 7 o superior.  
* Tener instalada la correspondiente extensión Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files. Tenga cuidado cada vez que se actualice Java porque puede borrar estos ficheros en el proceso de actualización y tener que realizar la instalación de estos ficheros otra vez. Esto ya no es necesario a partir de la versión 8 de Java.
* En el caso de querer utilizar editran/XAdES para firmar, para cada tarjeta criptográfica que se quiera usar se debe tener instalado el software correspondiente (módulos criptográficos) de las distintas tarjetas.
* Un servidor TCP java de los servicios UNIX, el cual debe disponer de una dirección y un puerto en el que escuchar las peticiones realizadas desde el editran en MVS.
* Acceso a los servicios UNIX del ZOS


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