On Jan 27, 2011, at 3:26 PM, Frank Morgner wrote: > On Thursday, January 27 at 01:57PM, Jean-Michel Pouré - GOOZE wrote: >> Dear Friends, >> >> Can OpenSC / libp11 or any framework access the random number generator >> which is available in some cards, including the Feitian PKI? > > The card driver can set a flag SC_CARD_CAP_RNG. I am not sure if this is > done for your card. opensc-explorer can then get up to 128 bytes of > randomness. Actually not, C_GenerateRandom calls GET CHALLENGE (ISO 7816-4) no matter what the flags are for those "caps", which is only used to decide whether to advertise CKF_RNG in the token info or not. For opensc-explorer, the flag has no meaning.
SC_CARD_CAP_RNG is mostly a relict. -- @MartinPaljak.net +3725156495 _______________________________________________ opensc-devel mailing list opensc-devel@lists.opensc-project.org http://www.opensc-project.org/mailman/listinfo/opensc-devel