/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ /* * Greybus Component Authentication User Header * * Copyright(c) 2016 Google Inc. All rights reserved. * Copyright(c) 2016 Linaro Ltd. All rights reserved. */ #ifndef __GREYBUS_AUTHENTICATION_USER_H #define __GREYBUS_AUTHENTICATION_USER_H #include <linux/ioctl.h> #include <linux/types.h> #define CAP_CERTIFICATE_MAX_SIZE 1600 #define CAP_SIGNATURE_MAX_SIZE 320 /* Certificate class types */ #define CAP_CERT_IMS_EAPC 0x00000001 #define CAP_CERT_IMS_EASC 0x00000002 #define CAP_CERT_IMS_EARC 0x00000003 #define CAP_CERT_IMS_IAPC 0x00000004 #define CAP_CERT_IMS_IASC 0x00000005 #define CAP_CERT_IMS_IARC 0x00000006 /* IMS Certificate response result codes */ #define CAP_IMS_RESULT_CERT_FOUND 0x00 #define CAP_IMS_RESULT_CERT_CLASS_INVAL 0x01 #define CAP_IMS_RESULT_CERT_CORRUPT 0x02 #define CAP_IMS_RESULT_CERT_NOT_FOUND 0x03 /* Authentication types */ #define CAP_AUTH_IMS_PRI 0x00000001 #define CAP_AUTH_IMS_SEC 0x00000002 #define CAP_AUTH_IMS_RSA 0x00000003 /* Authenticate response result codes */ #define CAP_AUTH_RESULT_CR_SUCCESS 0x00 #define CAP_AUTH_RESULT_CR_BAD_TYPE 0x01 #define CAP_AUTH_RESULT_CR_WRONG_EP 0x02 #define CAP_AUTH_RESULT_CR_NO_KEY 0x03 #define CAP_AUTH_RESULT_CR_SIG_FAIL 0x04 /* IOCTL support */ struct cap_ioc_get_endpoint_uid { __u8 uid[8]; } __packed; struct cap_ioc_get_ims_certificate { __u32 certificate_class; __u32 certificate_id; __u8 result_code; __u32 cert_size; __u8 certificate[CAP_CERTIFICATE_MAX_SIZE]; } __packed; struct cap_ioc_authenticate { __u32 auth_type; __u8 uid[8]; __u8 challenge[32]; __u8 result_code; __u8 response[64]; __u32 signature_size; __u8 signature[CAP_SIGNATURE_MAX_SIZE]; } __packed; #define CAP_IOCTL_BASE 'C' #define CAP_IOC_GET_ENDPOINT_UID _IOR(CAP_IOCTL_BASE, 0, struct cap_ioc_get_endpoint_uid) #define CAP_IOC_GET_IMS_CERTIFICATE _IOWR(CAP_IOCTL_BASE, 1, struct cap_ioc_get_ims_certificate) #define CAP_IOC_AUTHENTICATE _IOWR(CAP_IOCTL_BASE, 2, struct cap_ioc_authenticate) #endif /* __GREYBUS_AUTHENTICATION_USER_H */