IscsiAuthLargeBinary
IscsiAuthLargeBinary auth_recv_binary_block;
IscsiAuthLargeBinary auth_send_binary_block;
IscsiAuthLargeBinary *recvChapChallenge;
IscsiAuthLargeBinary *sendChapChallenge;
recvChapChallenge = (IscsiAuthLargeBinary *) bufferDesc[3].address;
sendChapChallenge = (IscsiAuthLargeBinary *) bufferDesc[4].address;