rsa_verify_common
rv = rsa_verify_common(mech_type, ctxp->key, &der_cd,
rv = rsa_verify_common(ctxp->mech_type, ctxp->key, data,
rv = rsa_verify_common(mechanism->cm_type, key, data,
static int rsa_verify_common(rsa_mech_type_t, crypto_key_t *,