CK_BYTE
typedef CK_BYTE *CK_BYTE_PTR;
char *label, CK_ULONG bits, CK_BYTE keyid, u_int32_t *err)
CK_BYTE pubExponent[] = {
char *label, CK_ULONG bits, CK_BYTE keyid, u_int32_t *err)
rv = f->C_Sign(si->session, (CK_BYTE *)from, flen, to, &tlen);
rv = f->C_Sign(si->session, (CK_BYTE *)dgst, dgst_len, sig, &siglen);