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implemented aes key validation

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This commit is contained in:
Timerix 2025-11-21 20:16:39 +05:00
parent d32f7d4b89
commit baca2fb4d3
8 changed files with 130 additions and 57 deletions
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2
.vscode/launch.json vendored
View File

@ -7,7 +7,7 @@
"request": "launch",
"program": "${workspaceFolder}/bin/tcp-chat",
"windows": { "program": "${workspaceFolder}/bin/tcp-chat.exe" },
"args": [ "-l" ],
// "args": [ "-l" ],
"preLaunchTask": "build_exec_dbg",
"stopAtEntry": false,
"cwd": "${workspaceFolder}/bin",

8
src/cli/ClientCLI/ClientCLI.c
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@ -42,8 +42,8 @@ void ClientCLI_destroy(ClientCLI* self){
HashMap_destroy(&self->servers_addr_id_map);
}
void ClientCLI_construct(ClientCLI* self){
self->client = NULL;
self->db = NULL;
memset(self, 0, sizeof(*self));
pthread_mutex_init(&self->servers_cache_mutex, NULL);
}
Result(void) ClientCLI_run(ClientCLI* self) {
@ -237,7 +237,8 @@ static Result(void) ClientCLI_selectServerFromCache(ClientCLI* self){
for(u32 id = 0; id < servers_count; id++){
Server* row = &List_index(self->servers_cache_list, Server, id);
printf("[%02u] "FMT_str"\n", id, row->name_len, row->name);
printf("[%02u] "FMT_str" "FMT_str"\n",
id, row->address_len, row->address, row->name_len, row->name);
}
char buf[32];
@ -319,7 +320,6 @@ static Result(void) ClientCLI_openUserDB(ClientCLI* self){
try(self->db, p, idb_open(user_db_dir, user_data_key));
// load servers table
pthread_mutex_init(&self->servers_cache_mutex, NULL);
try(self->db_servers_table, p, idb_getOrCreateTable(self->db, STR("servers"), sizeof(Server)));
// load whole table to list
try(u64 servers_count, u, idb_getRowCount(self->db_servers_table));

2
src/cli/modes/ClientMode.c
View File

@ -9,7 +9,7 @@ Result(void) run_ClientMode(cstr config_path) {
ClientCLI_construct(&client);
Defer(ClientCLI_destroy(&client));
// start infinite loop on main thread
try_fatal_void(ClientCLI_run(&client));
try_void(ClientCLI_run(&client));
Return RESULT_VOID;
}

8
src/client/client.c
View File

@ -66,7 +66,7 @@ Array(u8) Client_getUserDataKey(Client* client){
Result(void) Client_getServerName(Client* self, str* out_name){
Deferral(1);
try_assert(self != NULL);
try_assert(self->server_connection != NULL);
try_assert(self->server_connection != NULL && "didn't connect to a server yet");
*out_name = self->server_connection->server_name;
@ -76,7 +76,7 @@ Result(void) Client_getServerName(Client* self, str* out_name){
Result(void) Client_getServerDescription(Client* self, str* out_desc){
Deferral(1);
try_assert(self != NULL);
try_assert(self->server_connection != NULL);
try_assert(self->server_connection != NULL && "didn't connect to a server yet");
*out_desc = self->server_connection->server_description;
@ -86,7 +86,7 @@ Result(void) Client_getServerDescription(Client* self, str* out_desc){
Result(void) Client_register(Client* self, u64* out_user_id){
Deferral(1);
try_assert(self != NULL);
try_assert(self->server_connection != NULL);
try_assert(self->server_connection != NULL && "didn't connect to a server yet");
PacketHeader req_head, res_head;
RegisterRequest req;
@ -104,7 +104,7 @@ Result(void) Client_register(Client* self, u64* out_user_id){
Result(void) Client_login(Client* self, u64* out_user_id, u64* out_landing_channel_id){
Deferral(1);
try_assert(self != NULL);
try_assert(self->server_connection != NULL);
try_assert(self->server_connection != NULL && "didn't connect to a server yet");
PacketHeader req_head, res_head;
LoginRequest req;

76
src/cryptography/AES.c
View File

@ -13,6 +13,12 @@ static inline void __Array_readNext(u8* dst, Array(u8)* src, size_t size){
*src = Array_sliceFrom(*src, size);
}
static void __calcKeyCheckSum(Array(u8) key, void* dst){
br_sha256_context sha_ctx;
br_sha256_init(&sha_ctx);
br_sha256_update(&sha_ctx, key.data, key.size);
br_sha256_out(&sha_ctx, dst);
}
//////////////////////////////////////////////////////////////////////////////
// AESBlockEncryptor //
@ -21,19 +27,19 @@ static inline void __Array_readNext(u8* dst, Array(u8)* src, size_t size){
void AESBlockEncryptor_construct(AESBlockEncryptor* ptr,
Array(u8) key, const br_block_cbcenc_class* enc_class)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->enc_class = enc_class;
ptr->enc_class->init((void*)ptr->enc_keys, key.data, key.size);
AESBlockEncryptor_changeKey(ptr, key);
ptr->rng_ctx.vtable = &br_hmac_drbg_vtable;
rng_init_sha256_seedFromSystem(&ptr->rng_ctx.vtable);
}
void AESBlockEncryptor_changeKey(AESBlockEncryptor* ptr, Array(u8) key)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->enc_class->init((void*)ptr->enc_keys, key.data, key.size);
__calcKeyCheckSum(key, ptr->key_checksum);
}
Result(u32) AESBlockEncryptor_encrypt(AESBlockEncryptor* ptr,
@ -50,6 +56,7 @@ Result(u32) AESBlockEncryptor_encrypt(AESBlockEncryptor* ptr,
EncryptedBlockHeader header;
memset(&header, 0, sizeof(header));
memcpy(header.key_checksum, ptr->key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE);
header.padding_size = (16 - src.size % 16) % 16;
// write header to buffer
memcpy(ptr->buf, &header, sizeof(header));
@ -89,16 +96,15 @@ Result(u32) AESBlockEncryptor_encrypt(AESBlockEncryptor* ptr,
void AESBlockDecryptor_construct(AESBlockDecryptor* ptr,
Array(u8) key, const br_block_cbcdec_class* dec_class)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->dec_class = dec_class;
ptr->dec_class->init((void*)ptr->dec_keys, key.data, key.size);
AESBlockDecryptor_changeKey(ptr, key);
}
void AESBlockDecryptor_changeKey(AESBlockDecryptor* ptr, Array(u8) key)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->dec_class->init((void*)ptr->dec_keys, key.data, key.size);
__calcKeyCheckSum(key, ptr->key_checksum);
}
Result(u32) AESBlockDecryptor_decrypt(AESBlockDecryptor* ptr,
@ -118,7 +124,14 @@ Result(u32) AESBlockDecryptor_decrypt(AESBlockDecryptor* ptr,
__Array_readNext((void*)&header, &src, sizeof(header));
// decrypt header
ptr->dec_class->run((void*)ptr->dec_keys, ptr->iv, &header, sizeof(header));
// validate decrypted data
if(memcmp(header.key_checksum, ptr->key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE) != 0){
Return RESULT_ERROR("decrypted data is invalid or key is wrong", false);
}
// size of decrypted data without padding
try_assert(src.size >= header.padding_size && "invalid padding size");
u32 decrypted_size = src.size - header.padding_size;
src.size = decrypted_size;
@ -153,23 +166,21 @@ Result(u32) AESBlockDecryptor_decrypt(AESBlockDecryptor* ptr,
void AESStreamEncryptor_construct(AESStreamEncryptor* ptr,
Array(u8) key, const br_block_ctr_class* ctr_class)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->ctr_class = ctr_class;
ptr->ctr_class->init((void*)ptr->ctr_keys, key.data, key.size);
AESStreamEncryptor_changeKey(ptr, key);
ptr->block_counter = 0;
br_hmac_drbg_context rng_ctx;
rng_ctx.vtable = &br_hmac_drbg_vtable;
rng_init_sha256_seedFromSystem(&rng_ctx.vtable);
br_hmac_drbg_generate(&rng_ctx, ptr->iv, __AES_STREAM_IV_SIZE);
ptr->block_counter = 0;
}
void AESStreamEncryptor_changeKey(AESStreamEncryptor* ptr, Array(u8) key)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->ctr_class->init((void*)ptr->ctr_keys, key.data, key.size);
__calcKeyCheckSum(key, ptr->key_checksum);
}
Result(u32) AESStreamEncryptor_encrypt(AESStreamEncryptor* ptr,
@ -178,17 +189,27 @@ Result(u32) AESStreamEncryptor_encrypt(AESStreamEncryptor* ptr,
Deferral(4);
u32 encrypted_size = src.size;
// if it is the beginning of the stream, write IV
// if it is the beginning of the stream,
if(ptr->block_counter == 0){
// write IV generated during initialization
__Array_writeNext(&dst, ptr->iv, __AES_STREAM_IV_SIZE);
encrypted_size = AESStreamEncryptor_calcDstSize(encrypted_size);
// encrypt checksum
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
memcpy(key_checksum, ptr->key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE);
ptr->block_counter = ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->iv, ptr->block_counter,
key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE);
// write checksum to dst
__Array_writeNext(&dst, key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE);
}
try_assert(dst.size >= encrypted_size);
// encrypt full buffers
while(src.size > __AES_BUFFER_SIZE){
__Array_readNext(ptr->buf, &src, __AES_BUFFER_SIZE);
ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->block_counter = ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->iv, ptr->block_counter,
ptr->buf, __AES_BUFFER_SIZE);
__Array_writeNext(&dst, ptr->buf, __AES_BUFFER_SIZE);
@ -197,13 +218,12 @@ Result(u32) AESStreamEncryptor_encrypt(AESStreamEncryptor* ptr,
// encrypt remaining data
if(src.size > 0){
memcpy(ptr->buf, src.data, src.size);
ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->block_counter = ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->iv, ptr->block_counter,
ptr->buf, src.size);
memcpy(dst.data, ptr->buf, src.size);
}
ptr->block_counter++;
Return RESULT_VALUE(u, encrypted_size);
}
@ -215,11 +235,8 @@ Result(u32) AESStreamEncryptor_encrypt(AESStreamEncryptor* ptr,
void AESStreamDecryptor_construct(AESStreamDecryptor* ptr,
Array(u8) key, const br_block_ctr_class* ctr_class)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->ctr_class = ctr_class;
ptr->ctr_class->init((void*)ptr->ctr_keys, key.data, key.size);
AESStreamDecryptor_changeKey(ptr, key);
ptr->block_counter = 0;
}
@ -227,6 +244,7 @@ void AESStreamDecryptor_changeKey(AESStreamDecryptor* ptr, Array(u8) key)
{
assert(key.size == 16 || key.size == 24 || key.size == 32);
ptr->ctr_class->init((void*)ptr->ctr_keys, key.data, key.size);
__calcKeyCheckSum(key, ptr->key_checksum);
}
Result(u32) AESStreamDecryptor_decrypt(AESStreamDecryptor* ptr,
@ -234,9 +252,22 @@ Result(u32) AESStreamDecryptor_decrypt(AESStreamDecryptor* ptr,
{
Deferral(4);
// if it is the beginning of the stream, read IV
// if it is the beginning of the stream
if(ptr->block_counter == 0){
// read random IV
__Array_readNext(ptr->iv, &src, __AES_STREAM_IV_SIZE);
// read checksum
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
__Array_readNext(key_checksum, &src, __AES_BLOCK_KEY_CHECKSUM_SIZE);
// decrypt checksum
ptr->block_counter = ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->iv, ptr->block_counter,
key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE);
// validate decrypted data
if(memcmp(key_checksum, ptr->key_checksum, __AES_BLOCK_KEY_CHECKSUM_SIZE) != 0){
Return RESULT_ERROR("decrypted data is invalid or key is wrong", false);
}
}
// size without IV
u32 decrypted_size = src.size;
@ -245,7 +276,7 @@ Result(u32) AESStreamDecryptor_decrypt(AESStreamDecryptor* ptr,
// decrypt full buffers
while(src.size > __AES_BUFFER_SIZE){
__Array_readNext(ptr->buf, &src, __AES_BUFFER_SIZE);
ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->block_counter = ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->iv, ptr->block_counter,
ptr->buf, __AES_BUFFER_SIZE);
__Array_writeNext(&dst, ptr->buf, __AES_BUFFER_SIZE);
@ -254,12 +285,11 @@ Result(u32) AESStreamDecryptor_decrypt(AESStreamDecryptor* ptr,
// decrypt remaining data
if(src.size > 0){
memcpy(ptr->buf, src.data, src.size);
ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->block_counter = ptr->ctr_class->run((void*)ptr->ctr_keys,
ptr->iv, ptr->block_counter,
ptr->buf, src.size);
memcpy(dst.data, ptr->buf, src.size);
}
ptr->block_counter++;
Return RESULT_VALUE(u, decrypted_size);
}

9
src/cryptography/AES.h
View File

@ -1,6 +1,7 @@
#pragma once
#include "tlibc/collections/Array.h"
#include "tlibc/errors.h"
#include "tlibc/magic.h"
#include "bearssl_block.h"
#include "cryptography.h"
@ -15,7 +16,9 @@
#define AESStream_DEFAULT_CLASS (&br_aes_big_ctr_vtable)
#define __AES_BLOCK_KEY_CHECKSUM_SIZE br_sha256_SIZE
typedef struct EncryptedBlockHeader {
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
u8 padding_size;
} ATTRIBUTE_ALIGNED(16) EncryptedBlockHeader;
@ -32,6 +35,7 @@ typedef struct AESBlockEncryptor {
u8 enc_keys[sizeof(br_aes_big_cbcenc_keys)];
u8 buf[__AES_BUFFER_SIZE];
u8 iv[__AES_BLOCK_IV_SIZE];
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
br_hmac_drbg_context rng_ctx;
} AESBlockEncryptor;
@ -59,6 +63,7 @@ typedef struct AESBlockDecryptor {
u8 dec_keys[sizeof(br_aes_big_cbcdec_keys)];
u8 buf[__AES_BUFFER_SIZE];
u8 iv[__AES_BLOCK_IV_SIZE];
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
} AESBlockDecryptor;
/// @param key supported sizes: 16, 24, 32
@ -85,6 +90,7 @@ typedef struct AESStreamEncryptor {
u8 ctr_keys[sizeof(br_aes_big_ctr_keys)];
u8 buf[__AES_BUFFER_SIZE];
u8 iv[__AES_STREAM_IV_SIZE];
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
u32 block_counter;
} AESStreamEncryptor;
@ -97,7 +103,7 @@ void AESStreamEncryptor_construct(AESStreamEncryptor* ptr, Array(u8) key, const
void AESStreamEncryptor_changeKey(AESStreamEncryptor* ptr, Array(u8) key);
/// use this only at the beginning of the stream
#define AESStreamEncryptor_calcDstSize(src_size) (src_size + __AES_STREAM_IV_SIZE)
#define AESStreamEncryptor_calcDstSize(src_size) (__AES_STREAM_IV_SIZE + __AES_BLOCK_KEY_CHECKSUM_SIZE + src_size)
/// @brief If ptr->block_counter == 0, writes random IV to `dst`. After that writes encrypted data to dst.
/// @param src array of any size
@ -114,6 +120,7 @@ typedef struct AESStreamDecryptor {
u8 ctr_keys[sizeof(br_aes_big_ctr_keys)];
u8 buf[__AES_BUFFER_SIZE];
u8 iv[__AES_STREAM_IV_SIZE];
u8 key_checksum[__AES_BLOCK_KEY_CHECKSUM_SIZE];
u32 block_counter;
} AESStreamDecryptor;

78
src/db/idb.c
View File

@ -5,12 +5,18 @@
#include "cryptography/AES.h"
#include <pthread.h>
static const char KEY_CHALLENGE_PLAIN[16] = "key is correct!";
#define KEY_CHALLENGE_PLAIN_SIZE sizeof(KEY_CHALLENGE_PLAIN)
#define KEY_CHALLENGE_CIPHER_SIZE AESBlockEncryptor_calcDstSize(KEY_CHALLENGE_PLAIN_SIZE)
typedef struct TableFileHeader {
Magic32 magic;
u16 version;
bool _dirty_bit;
bool encrypted;
u32 row_size;
/* encrypted KEY_CHALLENGE_PLAIN */
u8 key_challenge[KEY_CHALLENGE_CIPHER_SIZE];
} ATTRIBUTE_ALIGNED(256) TableFileHeader;
typedef struct Table {
@ -105,16 +111,12 @@ static Result(bool) Table_getDirtyBit(Table* t){
Return RESULT_VALUE(i, t->header._dirty_bit);
}
static u32 Table_calcEncryptedRowSize(Table* t){
return AESBlockEncryptor_calcDstSize(t->header.row_size);
}
static Result(void) Table_calculateRowCount(Table* t){
Deferral(4);
try(i64 file_size, i, file_getSize(t->table_file));
i64 data_size = file_size - sizeof(t->header);
i64 row_size_in_file = t->header.encrypted
? Table_calcEncryptedRowSize(t)
? AESBlockEncryptor_calcDstSize(t->header.row_size)
: t->header.row_size;
if(data_size % row_size_in_file != 0){
//TODO: fix table instead of trowing error
@ -137,7 +139,11 @@ static Result(void) Table_validateHeader(Table* t){
t->table_file_path.data);
}
//TODO: check version
if(t->header.version != IDB_VERSION){
Return RESULT_ERROR_FMT(
"Table file '%s' was created for IDBv%u, which is incompatible with v%u",
t->table_file_path.data, t->header.version, (u32)IDB_VERSION);
}
try(bool dirty_bit, i, Table_getDirtyBit(t));
if(dirty_bit){
@ -151,20 +157,40 @@ static Result(void) Table_validateHeader(Table* t){
}
static Result(void) Table_validateEncryption(Table* t){
Deferral(1);
bool db_encrypted = t->db->aes_key.size != 0;
if(t->header.encrypted && !db_encrypted){
return RESULT_ERROR_FMT("Table '%s' is encrypted, but db->aes_key is not set."
Return RESULT_ERROR_FMT(
"Table '%s' is encrypted, but encryption key is not set."
"Database '%s' is encrypted and must have not-null encryption key.",
t->name.data, t->db->db_dir.data);
}
if(!t->header.encrypted && db_encrypted){
return RESULT_ERROR_FMT("table '%s' is not encrypted, but db->aes_key is set."
Return RESULT_ERROR_FMT(
"Table '%s' is not encrypted, but encryption key is set."
"Do not set encryption key for not encrypted database '%s'.",
t->name.data, t->db->db_dir.data);
}
return RESULT_VOID;
// validate aes encryption key
if(t->header.encrypted){
try_void(
AESBlockDecryptor_decrypt(
&t->dec,
Array_construct_size(t->header.key_challenge, KEY_CHALLENGE_CIPHER_SIZE),
t->enc_buf
)
);
if(memcmp(t->enc_buf.data, KEY_CHALLENGE_PLAIN, KEY_CHALLENGE_PLAIN_SIZE) != 0){
Return RESULT_ERROR_FMT(
"Encryption key for table '%s' is wrong",
t->name.data);
}
}
Return RESULT_VOID;
}
static Result(void) Table_validateRowSize(Table* t, u32 row_size){
@ -177,6 +203,7 @@ static Result(void) Table_validateRowSize(Table* t, u32 row_size){
return RESULT_VOID;
}
Result(IncrementalDB*) idb_open(str db_dir, NULLABLE(Array(u8) aes_key)){
Deferral(16);
try_assert(aes_key.size == 0 || aes_key.size == 16 || aes_key.size == 24 || aes_key.size == 32);
@ -190,7 +217,6 @@ Result(IncrementalDB*) idb_open(str db_dir, NULLABLE(Array(u8) aes_key)){
if(aes_key.size != 0){
db->aes_key = Array_copy(aes_key);
//TODO: validate aes encryption key
}
db->db_dir = str_copy(db_dir);
@ -242,14 +268,23 @@ Result(Table*) idb_getOrCreateTable(IncrementalDB* db, str table_name, u32 row_s
t->changes_file_path = str_from_cstr(
strcat_malloc(db->db_dir.data, path_seps, t->name.data, ".idb-changes"));
bool table_exists = file_exists(t->table_file_path.data);
bool table_file_exists = file_exists(t->table_file_path.data);
// open or create file with table data
try(t->table_file, p, file_openOrCreateReadWrite(t->table_file_path.data));
// open or create file with backups of updated rows
try(t->changes_file, p, file_openOrCreateReadWrite(t->changes_file_path.data));
if(table_exists){
// init encryptor and decryptor now to use them in table header validation/creation
if(db->aes_key.size != 0) {
AESBlockEncryptor_construct(&t->enc, db->aes_key, AESBlockEncryptor_DEFAULT_CLASS);
AESBlockDecryptor_construct(&t->dec, db->aes_key, AESBlockDecryptor_DEFAULT_CLASS);
u32 row_size_in_file = AESBlockEncryptor_calcDstSize(row_size);
t->enc_buf = Array_alloc_size(row_size_in_file);
}
// init header
if(table_file_exists){
// read table file
try_void(Table_readHeader(t));
try_void(Table_validateHeader(t));
@ -260,20 +295,21 @@ Result(Table*) idb_getOrCreateTable(IncrementalDB* db, str table_name, u32 row_s
else {
// create table file
t->header.magic.n = TABLE_FILE_MAGIC.n;
t->header.row_size = row_size;
t->header.version = IDB_VERSION;
t->header.encrypted = db->aes_key.size != 0;
t->header._dirty_bit = false;
t->header.row_size = row_size;
memset(t->header.key_challenge, 0, KEY_CHALLENGE_CIPHER_SIZE);
try_void(
AESBlockEncryptor_encrypt(
&t->enc,
Array_construct_size((void*)KEY_CHALLENGE_PLAIN, KEY_CHALLENGE_PLAIN_SIZE),
Array_construct_size(t->header.key_challenge, KEY_CHALLENGE_CIPHER_SIZE)
)
);
try_void(Table_writeHeader(t));
}
if(t->header.encrypted){
AESBlockEncryptor_construct(&t->enc, db->aes_key, AESBlockEncryptor_DEFAULT_CLASS);
AESBlockDecryptor_construct(&t->dec, db->aes_key, AESBlockDecryptor_DEFAULT_CLASS);
u32 row_size_in_file = Table_calcEncryptedRowSize(t);
t->enc_buf = Array_alloc_size(row_size_in_file);
}
if(!HashMap_tryPush(&db->tables_map, t->name, &t)){
Return RESULT_ERROR_FMT(
"Table '%s' is already open",
@ -331,7 +367,7 @@ Result(void) idb_updateRows(Table* t, u64 id, const void* src, u64 count){
try_stderrcode(pthread_mutex_lock(&t->mutex));
Defer(pthread_mutex_unlock(&t->mutex));
if(id + count >= t->row_count){
if(id + count > t->row_count){
Return RESULT_ERROR_FMT(
"Can't update "FMT_u64" rows at index "FMT_u64
" because table '%s' has only "FMT_u64" rows",

2
src/db/idb.h
View File

@ -2,7 +2,7 @@
#include "tlibc/errors.h"
#define IDB_VERSION 1
#define IDB_VERSION 2
#define IDB_AES_KEY_SIZE 32
typedef struct IncrementalDB IncrementalDB;