In this new version has expanded the size limit
datos que se pueden firmar más allá de los 4 megas que anteriormente
were limited by the communication Java and Javascript.

You can find this new version in the Administration
Mail http://administracionelectronica.gob.es/ctt/clienteafirma as well as
in the Forja-CTT: http:// -CTT.ADMINISTRACIONELECTRONICA.GOB.ES/WEB/CLIENTEAFIRMA FORGE