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began sleep_tree.c , sleep_tree_entry_t added to sleep.h

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divo
2025-10-02 14:08:56 -04:00
parent ad77f1e37f
commit e51f5c7bc8
4 changed files with 131 additions and 6 deletions
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59
inc/sleep.h
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@@ -16,18 +16,71 @@ content.tree*/
// test
#include <assert.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SLEEP_HEADER_SIZE 32u
// TODO MAGIC_BITFIELD, MAGIC_SIG, MAGIC_TREE
#define SLEEP_ALGO_BLAKE2B "BLAKE2b"
#define SLEEP_ALGO_ED25519 "Ed25519"
typedef struct sleep_header {
#define SLEEP_TREE_ENTRY_SIZE 40u
#define SLEEP_SIG_ENTRY_SIZE 64u
#define SLEEP_BITFIELD_ENTRY_SIZE 3328u
enum sleep_hash_type {
SLEEP_HASH_LEAF = 0,
SLEEP_HASH_PARENT = 1,
SLEEP_HASH_ROOT = 2
};
// Wire
#if defined(__GNUC__) || defined(__clang__) || defined(__MUSL__)
#define SLEEP_PACKED __attribute__((packed))
#else
#define SLEEP_PACKED
#pragma pack(push,1) // pragma deez
#endif
typedef struct SLEEP_PACKED sleep_header {
uint32_t magic_be;
uint8_t version;
uint16_t entry_size_be;
uint8_t algo_len;
char algo[24];
} sleep_header_t;
// TODO assert must be 32 bytes
// 32 byte hash + 8 byte BE len
typedef struct SLEEP_PACKED sleep_tree_entry {
uint8_t hash[32];
uint64_t length_be;
} sleep_tree_entry_t;
// TODO assert
// 64 bytes
typedef struct SLEEP_PACKED sleep_sig_entry {
uint8_t sig[64];
} sleep_sig_entry_t;
// TODO assert
// 3328 bytes: tree[2048] + data[1024] + index[256]
typedef struct SLEEP_PACKED sleep_bitfield_entry {
uint8_t tree[2048];
uint8_t data[1024];
uint8_t index[256];
} sleep_bitfield_entry_t;
// TODO DOTO ODOT assert it
#if !defined(__GNUC__) && !defined(__clang__)
#pragma pack(pop)
#endif
// TODO BE INT into and out of buffers **
// crypto helpers
#ifdef SLEEP_SALT
@@ -44,5 +97,7 @@ int sleep_compute_discovery_key(const uint8_t pubkey[32], uint8_t out32[32]);
// function decs
#ifdef __cplusplus
}
#endif
#endif /* SLEEP_H */