sc_base64_decode 3 opensc sc_base64_decode Decode a base64 stream #include <opensc.h> int sc_base64_decode(const char *inbuf, unsigned char *outbuf, size_t outlen); This function decodes the base64 stream in inbuf, which is NULL-terminated, to the buffer pointed to by outbuf (which is outlen bytes long); Returns 0 if successful, or a negative value in case of error.