/* * Copyright (c) 2019 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _ARM64_HIBERNATE_PPL_HMAC_H_ #define _ARM64_HIBERNATE_PPL_HMAC_H_ #include <sys/cdefs.h> #include <stdint.h> #include <stdbool.h> #include <libkern/crypto/sha2.h> #include <mach/vm_types.h> #include <arm64/ppl/ppl_hib.h> #include <IOKit/IOHibernatePrivate.h> #define HMAC_HASH_SIZE 48 __BEGIN_DECLS kern_return_t ppl_hmac_init(void); void ppl_hmac_reset(bool wired_pages); void ppl_hmac_hibernate_begin(void); void ppl_hmac_hibernate_end(void); vm_address_t ppl_hmac_get_reg_base(void); int ppl_hmac_update_and_compress_page(ppnum_t pageNumber, void **uncompressed, void *compressed); void ppl_hmac_final(uint8_t *output, size_t outputLen); void ppl_hmac_fetch_hibseg_and_info(/* out */ void *buffer, /* in */ uint64_t bufferLen, /* out */ IOHibernateHibSegInfo *info); void ppl_hmac_compute_rorgn_hmac(void); void ppl_hmac_finalize_image(const void *header, size_t headerLen, uint8_t *hmac, size_t hmacLen); void ppl_hmac_get_io_ranges(const ppl_hib_io_range **io_ranges, uint16_t *num_io_ranges); __END_DECLS #endif /* _ARM64_HIBERNATE_PPL_HMAC_H_ */