sc_get_challenge3
Request a challenge from a card
Usage
#include <opensc.h> int sc_get_challenge(struct sc_card *card, unsigned char *rnd, size_t len);
Overview
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.
Return value
Returns 0 if successful, or a negative value in case of error.
Releases
3 releases since Debian 4.0 (Etch); the text changed 2 times.