xnu-4903.270.47.tar.gz

[apple/xnu.git] / bsd / kern / chunklist.h

#ifndef _CHUNKLIST_H
#define _CHUNKLIST_H


#include <libkern/crypto/sha2.h>

/*
 * Chunklist file format
 */

#define CHUNKLIST_MAGIC               0x4C4B4E43
#define CHUNKLIST_FILE_VERSION_10     1
#define CHUNKLIST_CHUNK_METHOD_10     1
#define CHUNKLIST_SIGNATURE_METHOD_10 1
#define CHUNKLIST_SIG_LEN             256
#define CHUNKLIST_PUBKEY_LEN          (2048/8)

struct chunklist_hdr {
	uint32_t cl_magic;
	uint32_t cl_header_size;
	uint8_t  cl_file_ver;
	uint8_t  cl_chunk_method;
	uint8_t  cl_sig_method;
	uint8_t  __unused1;
	uint64_t cl_chunk_count;
	uint64_t cl_chunk_offset;
	uint64_t cl_sig_offset;
} __attribute__((packed));

struct chunklist_chunk {
	uint32_t chunk_size;
	uint8_t  chunk_sha256[SHA256_DIGEST_LENGTH];
} __attribute__((packed));

struct chunklist_sig {
	uint8_t  cl_sig[CHUNKLIST_SIG_LEN];
};


/*
 * Chunklist signing public keys
 */

struct chunklist_pubkey {
	const bool isprod;
	const uint8_t key[CHUNKLIST_PUBKEY_LEN];
};

const struct chunklist_pubkey chunklist_pubkeys[] = {
};

#define CHUNKLIST_NPUBKEYS (sizeof(chunklist_pubkeys)/sizeof(chunklist_pubkeys[0]))

#endif