Hello, I have my public key stored in a card. Using opensc I get the public key from my certificate.I'm doing a C program and I have the key in a EVP_PKEY structure but i need pass the key to a string or file Any idea? Thanks _________________________________________________________________ ¿Te gustaría tener Hotmail en tu móvil Movistar? ¡Es gratis! http://serviciosmoviles.es.msn.com/hotmail/movistar-particulares.aspx