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sc_get_challenge

Langue: en

Autres versions - même langue

Version: 02/26/2009 (fedora - 05/07/09)

Section: 3 (Bibliothèques de fonctions)

sc_get_challenge - Request a challenge from a card

 #include <opensc.h>
 
 int sc_get_challenge(struct sc_card *card, unsigned char *rnd, size_t len);

This function requests a challenge (i.e. random bytes) from card. The returned data will be stored in rnd, and will be len bytes long.

Returns 0 if successful, or a negative value in case of error.