ASN1_PKEY_CTRL_CMS_SIGN
ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_CMS_SIGN, cmd, si);
case ASN1_PKEY_CTRL_CMS_SIGN:
case ASN1_PKEY_CTRL_CMS_SIGN:
case ASN1_PKEY_CTRL_CMS_SIGN:
case ASN1_PKEY_CTRL_CMS_SIGN: