void bitclient_generateTxHash(uint32 nonce1, uint32 userExtraNonceLength, uint8* userExtraNonce, uint32 coinBase1Length, uint8* coinBase1, uint32 coinBase2Length, uint8* coinBase2, uint8* txHash)
{
stream_t* streamTXData = streamEx_fromDynamicMemoryRange(1024*32);
stream_writeData(streamTXData, coinBase1, coinBase1Length);
stream_writeData(streamTXData, &nonce1, 4);
stream_writeData(streamTXData, userExtraNonce, userExtraNonceLength);
stream_writeData(streamTXData, coinBase2, coinBase2Length);
sint32 transactionDataLength = 0;
uint8* transactionData = (uint8*)streamEx_map(streamTXData, &transactionDataLength);
// special case, we can use the hash of the transaction
#if 0
int i;
printf("Merkle:\n");
for(i=0; i < transactionDataLength; i++){
printf("%2.2x ", transactionData[i]);
}
printf("\n");
#endif
uint8 hashOut[32];
sha256_context sctx;
sha256_starts(&sctx);
sha256_update(&sctx, transactionData, transactionDataLength);
sha256_finish(&sctx, hashOut);
sha256_starts(&sctx);
sha256_update(&sctx, hashOut, 32);
sha256_finish(&sctx, txHash);
free(transactionData);
stream_destroy(streamTXData);
}
static void calculate_hmac(uint8_t key[32],
char* buf, size_t len, uint8_t res[32]){
int i;
uint8_t hmacbuf[32];
uint8_t hmac_keybuf[64];
sha256_context sc;
for (i = 0; i < 32; i++){
hmac_keybuf[i] = key[i] ^ 0x36;
}
memset(hmac_keybuf + 32, 0x36, 32);
sha256_starts(&sc);
sha256_update(&sc, hmac_keybuf, 32);
sha256_update(&sc, buf, len);
sha256_finish(&sc, hmacbuf);
for (i = 0; i < 32; i++){
hmac_keybuf[i] = key[i] ^ 0x5c;
}
memset(hmac_keybuf + 32, 0x5c, 32);
sha256_starts(&sc);
sha256_update(&sc, hmac_keybuf, 32);
sha256_update(&sc, hmacbuf, 32);
sha256_finish(&sc, res);
}
void do_gpu_sha(){
int i;
uint32_t digest[8*STRIDE];
uint32_t block[20*STRIDE] = {0};
block[(72/4)*STRIDE] = 0x9FEF014;
block[(76/4)*STRIDE] = 0x2a400100;
sha256cl_context ctx;
sha256_init(0,&ctx);
sha256_starts(0,&ctx);
sha256_update(0,&ctx,block,80);
sha256_finish(0,&ctx,digest);
for(i=0; i < 8; i++)
printf("%8.8X",D_REF(digest,7-i,0));
printf("\n");
sha256_starts(0,&ctx);
sha256_update(0,&ctx,digest,32);
sha256_finish(0,&ctx,digest);
for(i=0; i < 8; i++)
printf("%8.8X",D_REF(digest,7-i,0));
printf("\n");
}
void testHash()
{
unsigned char Digest[32];
sha256_context ctx;
sha256_init( &ctx );
sha256_starts( &ctx, 0 );
sha256_update( &ctx, sha256_test_buf[0], sha256_test_buflen[0] );
sha256_finish( &ctx, Digest );
print_buffer(Digest, sizeof(Digest));
memset(Digest, 0, sizeof(Digest));
uint8 buffer[1];
sha256_init( &ctx );
sha256_starts( &ctx, 0 );
buffer[0] = 'a';
sha256_update( &ctx, buffer, 1 );
buffer[0] = 'b';
sha256_update( &ctx, buffer, 1 );
buffer[0] = 'c';
sha256_update( &ctx, buffer, 1 );
buffer[0] = '\0';
sha256_update( &ctx, buffer, 1 );
sha256_finish( &ctx, Digest );
print_buffer(Digest, sizeof(Digest));
}
void hmac_sha256_finish(hmac_sha256_ctx *ctx, unsigned char *mac,
unsigned int mac_size)
{
unsigned char digest_inside[SHA256_DIGEST_SIZE];
unsigned char mac_temp[SHA256_DIGEST_SIZE];
sha256_finish(&ctx->ctx_inside, digest_inside);
sha256_update(&ctx->ctx_outside, digest_inside, SHA256_DIGEST_SIZE);
sha256_finish(&ctx->ctx_outside, mac_temp);
memcpy(mac, mac_temp, mac_size);
}
int deriv_passwd(unsigned char *key,
char *password,
unsigned char *salt, int salt_len,
unsigned int iterations)
{
int ret;
unsigned int i;
unsigned char hash[32];
sha256_context ctx;
/* *** Init *** */
ret = 1; // error
i = 0;
/* *** Check args *** */
if((key == NULL) || (password == NULL) || (salt == NULL)
|| (salt_len <= 0) || (iterations == 0))
goto cleanup;
/* *** Get H0 *** */
sha256_starts(&ctx, 0);
sha256_update(&ctx, (unsigned char *)password, strlen(password));
sha256_update(&ctx, salt, salt_len);
sha256_update(&ctx, (unsigned char *)&i, sizeof(int));
sha256_finish(&ctx, hash); //hash == HO
/* *** Hi *** */
for(i = 1; i < iterations; i++)
{
sha256_starts(&ctx, 0);
sha256_update(&ctx, hash, 32);
sha256_update(&ctx, (unsigned char *)password, strlen(password));
sha256_update(&ctx, salt, salt_len);
sha256_update(&ctx, (unsigned char *)&i, sizeof(int));
sha256_finish(&ctx, hash);
}
memcpy(key, hash, 32);
ret = 0; // success
cleanup:
memset(&ctx, 0x00, sizeof(sha256_context));
memset(hash, 0x00, 32);
return ret;
}
static void
yarrow_iterate(quint8 *digest)
{
quint8 v0[SHA256_DIGEST_SIZE];
unsigned i;
memcpy(v0, digest, SHA256_DIGEST_SIZE);
/* When hashed inside the loop, i should run from 1 to
* YARROW_RESEED_ITERATIONS */
for (i = 0; ++i < YARROW_RESEED_ITERATIONS; )
{
quint8 count[4];
sha256_context hash;
sha256_starts(&hash);
/* Hash v_i | v_0 | i */
WRITE_UINT32(count, i);
sha256_update(&hash, digest, SHA256_DIGEST_SIZE);
sha256_update(&hash, v0, sizeof(v0));
sha256_update(&hash, count, sizeof(count));
sha256_finish(&hash,digest);
}
}
SHA256_DIGEST sha256(const void *message, size_t message_len)
{
SHA256_CTX ctxt;
sha256_init(&ctxt);
sha256_update(&ctxt, message, message_len);
return sha256_finish(&ctxt);
}
void verify_sha256_digest(void)
{
struct sha256_region *ptr, *end;
sha256_digest_t digest;
int i;
sha256_context ctx;
sha256_starts(&ctx);
end = &sha256_regions[sizeof(sha256_regions)/sizeof(sha256_regions[0])];
for(ptr = sha256_regions; ptr < end; ptr++) {
sha256_update(&ctx, (uint8_t *)((uintptr_t)ptr->start),
ptr->len);
}
sha256_finish(&ctx, digest);
if (memcmp(digest, sha256_digest, sizeof(digest)) != 0) {
printf("sha256 digests do not match :(\n");
printf(" digest: ");
for(i = 0; i < sizeof(digest); i++) {
printf("%hhx ", digest[i]);
}
printf("\n");
printf("sha256_digest: ");
for(i = 0; i < sizeof(sha256_digest); i++) {
printf("%hhx ", sha256_digest[i]);
}
printf("\n");
for(;;) {
/* loop forever */
}
}
}
static void calc_sha256(BYTE* buffer32,
const uint8* text, size_t size) {
sha256_context ctx;
sha256_starts(&ctx);
sha256_update(&ctx, (uint8*)text, size);
sha256_finish(&ctx, buffer32);
}
static void rpmb_hmac(unsigned char *key, unsigned char *buff, int len,
unsigned char *output)
{
sha256_context ctx;
int i;
unsigned char k_ipad[SHA256_BLOCK_SIZE];
unsigned char k_opad[SHA256_BLOCK_SIZE];
sha256_starts(&ctx);
/* According to RFC 4634, the HMAC transform looks like:
SHA(K XOR opad, SHA(K XOR ipad, text))
where K is an n byte key.
ipad is the byte 0x36 repeated blocksize times
opad is the byte 0x5c repeated blocksize times
and text is the data being protected.
*/
for (i = 0; i < RPMB_SZ_MAC; i++) {
k_ipad[i] = key[i] ^ 0x36;
k_opad[i] = key[i] ^ 0x5c;
}
/* remaining pad bytes are '\0' XOR'd with ipad and opad values */
for ( ; i < SHA256_BLOCK_SIZE; i++) {
k_ipad[i] = 0x36;
k_opad[i] = 0x5c;
}
sha256_update(&ctx, k_ipad, SHA256_BLOCK_SIZE);
sha256_update(&ctx, buff, len);
sha256_finish(&ctx, output);
/* Init context for second pass */
sha256_starts(&ctx);
/* start with outer pad */
sha256_update(&ctx, k_opad, SHA256_BLOCK_SIZE);
/* then results of 1st hash */
sha256_update(&ctx, output, RPMB_SZ_MAC);
/* finish up 2nd pass */
sha256_finish(&ctx, output);
}
static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void
*dest_buf, int size)
{
if (size < algo->digest_size)
return -1;
sha256_finish((sha256_context *)ctx, dest_buf);
free(ctx);
return 0;
}
void sha256_calculate(const struct image_region region[], int region_count,
uint8_t *checksum)
{
sha256_context ctx;
uint32_t i;
i = 0;
sha256_starts(&ctx);
for (i = 0; i < region_count; i++)
sha256_update(&ctx, region[i].data, region[i].size);
sha256_finish(&ctx, checksum);
}
void set_keys(uint8_t master_key[32]){
sha256_context sh;
uint8_t buf[32];
sha256_starts(&sh);
sha256_update(&sh, "H", 1);
sha256_update(&sh, master_key, 32);
sha256_finish(&sh, hmac_key);
sha256_starts(&sh);
sha256_update(&sh, "R", 1);
sha256_update(&sh, master_key, 32);
sha256_finish(&sh, recordid_key);
sha256_starts(&sh);
sha256_update(&sh, "E", 1);
sha256_update(&sh, master_key, 32);
sha256_finish(&sh, buf);
aes_set_key(&aes, buf, 256);
}
void bitclient_calculateMerkleRoot(uint8* txHashes, uint32 numberOfTxHashes, uint8* merkleRoot)
{
if(numberOfTxHashes <= 0 )
{
printf("bitclient_calculateMerkleRoot: Block has zero transactions (not even coinbase)\n");
memset(merkleRoot, 0, 32);
return;
}
{
// generate transaction data
memcpy(merkleRoot, txHashes, 32);
}
if( numberOfTxHashes > 1 )
{
// build merkle root tree
uint8 hashData[64];
for(uint32 i=1; i<numberOfTxHashes; i++)
{
memcpy(hashData, merkleRoot, 32);
memcpy(hashData+32,txHashes+i*32, 32);
#if 0
printf("Merkle: %d\n", i);
for(uint32 j=0; j < 64; j++){
printf("%2.2x ", hashData[j]);
}
printf("\n");
#endif
uint8 hashOut[32];
sha256_context sha256_ctx;
sha256_starts(&sha256_ctx);
sha256_update(&sha256_ctx, hashData, 32*2);
sha256_finish(&sha256_ctx, hashOut);
sha256_starts(&sha256_ctx);
sha256_update(&sha256_ctx, hashOut, 32);
sha256_finish(&sha256_ctx, merkleRoot);
}
}
}
uint8_t do_sha(){
uint8_t block[80] = {0};
uint8_t digest[32];
uint8_t digest2[32];
block[72] = 1;
//*(uint32_t*)&block[72] = 0x9FEF014;
//*(uint32_t*)&block[76] = 0x2a400100;
//2a400100
sha256_context ctx;
sha256_starts(&ctx);
sha256_update(&ctx,block,80);
sha256_finish(&ctx,digest);
sha256_starts(&ctx);
sha256_update(&ctx,digest,32);
sha256_finish(&ctx,digest2);
#if 1
int i;
for(i=0; i < 32; i++){
printf("%2.2X",digest[31-i]);
}
printf("\n");
for(i=0; i < 32; i++){
printf("%2.2X",digest2[31-i]);
}
printf("\n");
#endif
return digest[0];
}
static int utils_sha256 (lua_State *L)
{
unsigned char digest [32];
// get text to hash
size_t textLength;
const char * text = luaL_checklstring (L, 1, &textLength);
sha256_context ctx;
sha256_starts (&ctx);
sha256_update (&ctx, (UC *) text, textLength);
sha256_finish (&ctx, digest);
lua_pushlstring (L, digest, sizeof digest);
return 1; // number of result fields
} // end of utils_sha256
static int sceSha256Digest(u32 data, int dataLen, u32 digestPtr) {
if (!Memory::IsValidAddress(data) || !Memory::IsValidAddress(digestPtr) || !Memory::IsValidAddress(data + dataLen)) {
ERROR_LOG(HLE, "sceSha256Digest(data=%08x, len=%d, digest=%08x) - bad address(es)", data, dataLen, digestPtr);
return -1;
}
INFO_LOG(HLE, "sceSha256Digest(data=%08x, len=%d, digest=%08x)", data, dataLen, digestPtr);
// Already checked above...
u8 *digest = Memory::GetPointerUnchecked(digestPtr);
sha256_context ctx;
sha256_starts(&ctx);
sha256_update(&ctx, Memory::GetPointerUnchecked(data), dataLen);
sha256_finish(&ctx, digest);
return 0;
}
//Fills in hash and returns the size of the file
size_t CFileManager::GetSHA256FromFile( const char * filename, unsigned char * input ){
FILE * fFile = fopen( filename, "rb" );
if( fFile == NULL ){
return 0;
}
sha256_context * hash = (sha256_context*)calloc( 1, sizeof( sha256_context ) );
char buffer[100];
int nSize=0;
size_t nTotal=0;
if( hash == NULL ){
fclose( fFile );
return 0;
}
//start
sha256_starts( hash );
//crypt
while( !feof( fFile ) ){
nTotal++;
buffer[nSize]=fgetc( fFile );
nSize++;
if( nSize == 100 ){
sha256_update( hash, (unsigned char*)buffer, nSize );
nSize = 0;
}
}
if( nSize > 0 ){
sha256_update( hash, (unsigned char*)buffer, nSize-1 );
nSize = 0;
}
//finish
sha256_finish( hash, input );
free( hash );
fclose( fFile );
return nTotal-1;
}
static void update_purgatory(struct kexec_info *info)
{
static const uint8_t null_buf[256];
sha256_context ctx;
sha256_digest_t digest;
struct sha256_region region[SHA256_REGIONS];
int i, j;
/* Don't do anything if we are not using purgatory */
if (!info->rhdr.e_shdr) {
return;
}
arch_update_purgatory(info);
memset(region, 0, sizeof(region));
sha256_starts(&ctx);
/* Compute a hash of the loaded kernel */
for(j = i = 0; i < info->nr_segments; i++) {
unsigned long nullsz;
/* Don't include purgatory in the checksum. The stack
* in the bss will definitely change, and the .data section
* will also change when we poke the sha256_digest in there.
* A very clever/careful person could probably improve this.
*/
if (info->segment[i].mem == (void *)info->rhdr.rel_addr) {
continue;
}
sha256_update(&ctx, info->segment[i].buf,
info->segment[i].bufsz);
nullsz = info->segment[i].memsz - info->segment[i].bufsz;
while(nullsz) {
unsigned long bytes = nullsz;
if (bytes > sizeof(null_buf)) {
bytes = sizeof(null_buf);
}
sha256_update(&ctx, null_buf, bytes);
nullsz -= bytes;
}
region[j].start = info->segment[i].mem;
region[j].len = info->segment[i].memsz;
j++;
}
sha256_finish(&ctx, digest);
elf_rel_set_symbol(&info->rhdr, "sha256_regions", ®ion,
sizeof(region));
elf_rel_set_symbol(&info->rhdr, "sha256_digest", &digest,
sizeof(digest));
}
static void
yarrow_fast_reseed(struct yarrow256_ctx *ctx)
{
quint8 digest[SHA256_DIGEST_SIZE];
unsigned i;
#if YARROW_DEBUG
fprintf(stderr, "yarrow_fast_reseed\n");
#endif
/* We feed two block of output using the current key into the pool
* before emptying it. */
if (ctx->seeded)
{
quint8 blocks[AES_BLOCK_SIZE * 2];
yarrow_generate_block(ctx, blocks);
yarrow_generate_block(ctx, blocks + AES_BLOCK_SIZE);
sha256_update(&ctx->pools[YARROW_FAST],blocks,sizeof(blocks));
}
sha256_finish(&ctx->pools[YARROW_FAST],digest);
/* Iterate */
yarrow_iterate(digest);
aes_encrypt_key256(digest,&ctx->key);
/* Derive new counter value */
memset(ctx->counter, 0, sizeof(ctx->counter));
//aes_encrypt(&ctx->key, sizeof(ctx->counter), ctx->counter, ctx->counter);
aes_ecb_encrypt(ctx->counter,ctx->counter,sizeof(ctx->counter),&ctx->key);
/* Reset estimates. */
for (i = 0; i<ctx->nsources; i++)
ctx->sources[i].estimate[YARROW_FAST] = 0;
/* New seed file. */
/* FIXME: Extract this into a function of its own. */
for (i = 0; i < sizeof(ctx->seed_file); i+= AES_BLOCK_SIZE)
yarrow_generate_block(ctx, ctx->seed_file + i);
yarrow_gate(ctx);
}
EFI_STATUS
efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
{
EFI_STATUS efi_status;
EFI_FILE *file;
UINTN DataSize;
void *buffer;
sha256_context ctx;
UINT8 hash[SHA256_DIGEST_SIZE];
int i;
InitializeLib(image, systab);
efi_status = simple_file_open(image, loader, &file, EFI_FILE_MODE_READ);
if (efi_status != EFI_SUCCESS) {
Print(L"Failed to open %s\n", loader);
return efi_status;
}
efi_status = simple_file_read_all(file, &DataSize, &buffer);
if (efi_status != EFI_SUCCESS) {
Print(L"Failed to read %s\n", loader);
goto out_close_file;
}
sha256_starts(&ctx);
sha256_update(&ctx, buffer, DataSize);
sha256_finish(&ctx, hash);
for (i = 0; i < SHA256_DIGEST_SIZE; i++) {
Print(L"%02x", hash[i]);
}
Print(L"\n");
for (i = 0; i < SHA256_DIGEST_SIZE; i++) {
if (hash[i] != check[i]) {
Print(L"Not matched!\n");
}
}
FreePool(buffer);
out_close_file:
simple_file_close(file);
return efi_status;
}
/* genera tutte le chiavi wpa possibili per ssid-series-macAddr specificati */
int generateKeys(unsigned long int ssid, unsigned long int series, unsigned char *macAddr)
{
int i;
for(serial = userOptions.startSerial; serial < userOptions.endSerial; serial++) /* per ogni serial... */
{
if(cycle % PRINT_RATE == 0)
{
printProgress();
}
sprintf(seriesXserial, "%05dX%07d", series, serial); /* crea la stringa serie-X-seriale */
/* calcola l'hash SHA256(fixedPadding + serie-X-seriale + MAC) */
sha256_starts(shaCtx);
sha256_update(shaCtx, fixedPadding, sizeof(fixedPadding));
sha256_update(shaCtx, seriesXserial, SERIESXSERIAL_SIZE);
sha256_update(shaCtx, macAddr, MAC_SIZE);
sha256_finish(shaCtx, hash);
/* converte l'hash in caratteri ASCII */
for(i = 0; i < WPA_SIZE; i++) wpa[i] = charset[hash[i]];
if(userOptions.opMode == FINDKEY) /* stiamo cercando una chiave particolare */
{
if(isWpaCorrect() == TRUE)
{
return KEYFOUND;
}
}
else if(userOptions.opMode == GENFILE) /* stiamo generando il dizionario */
{
if(writeWpaToBuffer() == FAILURE)
{
lastErr = FILE_ERR;
return FAILURE;
}
}
cycle++;
}
return SUCCESS;
}
static void
yarrow_slow_reseed(struct yarrow256_ctx *ctx)
{
quint8 digest[SHA256_DIGEST_SIZE];
unsigned i;
#if YARROW_DEBUG
fprintf(stderr, "yarrow_slow_reseed\n");
#endif
/* Get digest of the slow pool*/
sha256_finish(&ctx->pools[YARROW_SLOW], digest);
/* Feed it into the fast pool */
sha256_update(&ctx->pools[YARROW_FAST],digest, sizeof(digest));
yarrow_fast_reseed(ctx);
/* Reset estimates. */
for (i = 0; i<ctx->nsources; i++)
ctx->sources[i].estimate[YARROW_SLOW] = 0;
}
Ti::TiValue TiUtilsModule::sha256(Ti::TiValue value)
{
Ti::TiValue val;
QString str = value.toString();
unsigned char *key = NULL;
key = (unsigned char*)qstrdup(str.toLocal8Bit().constData());
unsigned char hash[32];
sha256_context ctx;
sha256_starts(&ctx);
sha256_update(&ctx, key, str.length());
sha256_finish(&ctx, hash);
QByteArray result = QByteArray(reinterpret_cast<const char *>(hash)).toHex();
// for some reason we're getting 4 extra characters
QString returnString = QString(result);
returnString.remove(returnString.length() - 4, 4);
val.setString(returnString);
return val;
}
static void sha256_finish_wrap( void *ctx, unsigned char *output )
{
sha256_finish( (sha256_context *) ctx, output );
}
u32 NcchPadgen()
{
u32 result;
NcchInfo *info = (NcchInfo*)0x20316000;
SeedInfo *seedinfo = (SeedInfo*)0x20400000;
if (DebugFileOpen("/slot0x25KeyX.bin")) {
u8 slot0x25KeyX[16] = {0};
if (!DebugFileRead(&slot0x25KeyX, 16, 0)) {
FileClose();
return 1;
}
FileClose();
setup_aeskeyX(0x25, slot0x25KeyX);
} else {
Debug("7.x game decryption will fail on less than 7.x!");
}
if (DebugFileOpen("/seeddb.bin")) {
if (!DebugFileRead(seedinfo, 16, 0)) {
FileClose();
return 1;
}
if (!seedinfo->n_entries || seedinfo->n_entries > MAX_ENTRIES) {
Debug("Too many/few seeddb entries.");
return 1;
}
if (!DebugFileRead(seedinfo->entries, seedinfo->n_entries * sizeof(SeedInfoEntry), 16)) {
FileClose();
return 1;
}
FileClose();
} else {
// Debug("Warning, didn't open seeddb.bin");
Debug("9.x seed crypto game decryption will fail!");
}
if (!DebugFileOpen("/ncchinfo.bin"))
return 1;
if (!DebugFileRead(info, 16, 0)) {
FileClose();
return 1;
}
if (!info->n_entries || info->n_entries > MAX_ENTRIES) {
Debug("Too many/few entries in ncchinfo.bin");
return 1;
}
if (info->ncch_info_version != 0xF0000004) {
Debug("Wrong version ncchinfo.bin");
return 1;
}
if (!DebugFileRead(info->entries, info->n_entries * sizeof(NcchInfoEntry), 16)) {
FileClose();
return 1;
}
FileClose();
Debug("Number of entries: %i", info->n_entries);
for(u32 i = 0; i < info->n_entries; i++) {
Debug("Creating pad number: %i. Size (MB): %i", i+1, info->entries[i].size_mb);
PadInfo padInfo = {.setKeyY = 1, .size_mb = info->entries[i].size_mb};
memcpy(padInfo.CTR, info->entries[i].CTR, 16);
memcpy(padInfo.filename, info->entries[i].filename, 112);
if (info->entries[i].uses7xCrypto && info->entries[i].usesSeedCrypto) {
u8 keydata[32];
memcpy(keydata, info->entries[i].keyY, 16);
u32 found_seed = 0;
for (u32 j = 0; j < seedinfo->n_entries; j++) {
if (seedinfo->entries[j].titleId == info->entries[i].titleId) {
found_seed = 1;
memcpy(&keydata[16], seedinfo->entries[j].external_seed, 16);
break;
}
}
if (!found_seed)
{
Debug("Failed to find seed in seeddb.bin");
return 0;
}
u8 sha256sum[32];
sha256_context shactx;
sha256_starts(&shactx);
sha256_update(&shactx, keydata, 32);
sha256_finish(&shactx, sha256sum);
memcpy(padInfo.keyY, sha256sum, 16);
}
else
memcpy(padInfo.keyY, info->entries[i].keyY, 16);
if(info->entries[i].uses7xCrypto == 0xA) // won't work on an Old 3DS
padInfo.keyslot = 0x18;
else if(info->entries[i].uses7xCrypto >> 8 == 0xDEC0DE) // magic value to manually specify keyslot
padInfo.keyslot = info->entries[i].uses7xCrypto & 0x3F;
else if(info->entries[i].uses7xCrypto)
padInfo.keyslot = 0x25;
else
padInfo.keyslot = 0x2C;
Debug("Using keyslot: %02X", padInfo.keyslot);
result = CreatePad(&padInfo);
if (!result)
Debug("Done!");
else
return 1;
}
return 0;
}
static void SHA256_Final(unsigned char digest[32], SHA256_CTX *ctx)
{
sha256_finish(ctx, digest);
}
/* Restore the checksum before writing */
hdr->prolog_checksum = checksum_ref;
printf("Image checksum...OK!\n");
return 0;
}
#elif defined(CONFIG_ARMADA_3700) /* Armada 3700 */
static int check_image_header(void)
{
struct common_tim_data *hdr = (struct common_tim_data *)get_load_addr();
int image_num;
u8 hash_160_output[SHA1_SUM_LEN];
u8 hash_256_output[SHA256_SUM_LEN];
sha1_context hash1_text;
sha256_context hash256_text;
u8 *hash_output;
u32 hash_algorithm_id;
u32 image_size_to_hash;
u32 flash_entry_addr;
u32 *hash_value;
u32 internal_hash[HASH_SUM_LEN];
const u8 *buff;
u32 num_of_image = hdr->num_images;
u32 version = hdr->version;
u32 trusted = hdr->trusted;
/* bubt checksum validation only supports nontrusted images */
if (trusted == 1) {
printf("bypass image validation, ");
printf("only untrusted image is supported now\n");
return 0;
}
/* only supports image version 3.5 and 3.6 */
if (version != IMAGE_VERSION_3_5_0 && version != IMAGE_VERSION_3_6_0) {
printf("Error: Unsupported Image version = 0x%08x\n", version);
return -ENOEXEC;
}
/* validate images hash value */
for (image_num = 0; image_num < num_of_image; image_num++) {
struct mvebu_image_info *info =
(struct mvebu_image_info *)(get_load_addr() +
sizeof(struct common_tim_data) +
image_num * sizeof(struct mvebu_image_info));
hash_algorithm_id = info->hash_algorithm_id;
image_size_to_hash = info->image_size_to_hash;
flash_entry_addr = info->flash_entry_addr;
hash_value = info->hash;
buff = (const u8 *)(get_load_addr() + flash_entry_addr);
if (image_num == 0) {
/*
* The first image includes hash values in its content.
* For hash calculation, we need to save the original
* hash values to a local variable that will be
* copied back for comparsion and set all zeros to
* the orignal hash values for calculating new value.
* First image original format :
* x...x (datum1) x...x(orig. hash values) x...x(datum2)
* Replaced first image format :
* x...x (datum1) 0...0(hash values) x...x(datum2)
*/
memcpy(internal_hash, hash_value,
sizeof(internal_hash));
memset(hash_value, 0, sizeof(internal_hash));
}
if (image_size_to_hash == 0) {
printf("Warning: Image_%d hash checksum is disabled, ",
image_num);
printf("skip the image validation.\n");
continue;
}
switch (hash_algorithm_id) {
case SHA1_SUM_LEN:
sha1_starts(&hash1_text);
sha1_update(&hash1_text, buff, image_size_to_hash);
sha1_finish(&hash1_text, hash_160_output);
hash_output = hash_160_output;
break;
case SHA256_SUM_LEN:
sha256_starts(&hash256_text);
sha256_update(&hash256_text, buff, image_size_to_hash);
sha256_finish(&hash256_text, hash_256_output);
hash_output = hash_256_output;
break;
default:
printf("Error: Unsupported hash_algorithm_id = %d\n",
hash_algorithm_id);
return -ENOEXEC;
}
if (image_num == 0)
memcpy(hash_value, internal_hash,
sizeof(internal_hash));
if (memcmp(hash_value, hash_output, hash_algorithm_id) != 0) {
printf("Error: Image_%d checksum is not correct\n",
image_num);
return -ENOEXEC;
}
}
printf("Image checksum...OK!\n");
return 0;
}
SEXP digest(SEXP Txt, SEXP Algo, SEXP Length, SEXP Skip, SEXP Leave_raw) {
FILE *fp=0;
char *txt;
int algo = INTEGER_VALUE(Algo);
int length = INTEGER_VALUE(Length);
int skip = INTEGER_VALUE(Skip);
int leaveRaw = INTEGER_VALUE(Leave_raw);
SEXP result = NULL;
char output[128+1], *outputp = output; /* 33 for md5, 41 for sha1, 65 for sha256, 128 for sha512; plus trailing NULL */
int nChar;
int output_length = -1;
if (IS_RAW(Txt)) { /* Txt is either RAW */
txt = (char*) RAW(Txt);
nChar = LENGTH(Txt);
} else { /* or a string */
txt = (char*) STRING_VALUE(Txt);
nChar = strlen(txt);
}
if (skip>0) {
if (skip>=nChar) nChar=0;
else {
nChar -= skip;
txt += skip;
}
}
if (length>=0 && length<nChar) nChar = length;
switch (algo) {
case 1: { /* md5 case */
md5_context ctx;
output_length = 16;
unsigned char md5sum[16];
int j;
md5_starts( &ctx );
md5_update( &ctx, (uint8 *) txt, nChar);
md5_finish( &ctx, md5sum );
memcpy(output, md5sum, 16);
if (!leaveRaw)
for(j = 0; j < 16; j++)
sprintf(output + j * 2, "%02x", md5sum[j]);
break;
}
case 2: { /* sha1 case */
int j;
sha1_context ctx;
output_length = 20;
unsigned char sha1sum[20];
sha1_starts( &ctx );
sha1_update( &ctx, (uint8 *) txt, nChar);
sha1_finish( &ctx, sha1sum );
memcpy(output, sha1sum, 20);
if (!leaveRaw)
for( j = 0; j < 20; j++ )
sprintf( output + j * 2, "%02x", sha1sum[j] );
break;
}
case 3: { /* crc32 case */
unsigned long val, l;
l = nChar;
val = digest_crc32(0L, 0, 0);
val = digest_crc32(val, (unsigned char*) txt, (unsigned) l);
sprintf(output, "%2.2x", (unsigned int) val);
break;
}
case 4: { /* sha256 case */
int j;
sha256_context ctx;
output_length = 32;
unsigned char sha256sum[32];
sha256_starts( &ctx );
sha256_update( &ctx, (uint8 *) txt, nChar);
sha256_finish( &ctx, sha256sum );
memcpy(output, sha256sum, 32);
if(!leaveRaw)
for( j = 0; j < 32; j++ )
sprintf( output + j * 2, "%02x", sha256sum[j] );
break;
}
case 5: { /* sha2-512 case */
int j;
SHA512_CTX ctx;
output_length = SHA512_DIGEST_LENGTH;
uint8_t sha512sum[output_length], *d = sha512sum;
SHA512_Init(&ctx);
SHA512_Update(&ctx, (uint8 *) txt, nChar);
// Calling SHA512_Final, because SHA512_End will already
// convert the hash to a string, and we also want RAW
SHA512_Final(sha512sum, &ctx);
memcpy(output, sha512sum, output_length);
// adapted from SHA512_End
if(!leaveRaw) {
for (j = 0; j < output_length; j++) {
*outputp++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*outputp++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*outputp = (char)0;
}
break;
}
case 101: { /* md5 file case */
int j;
md5_context ctx;
output_length = 16;
unsigned char buf[1024];
unsigned char md5sum[16];
if (!(fp = fopen(txt,"rb"))) {
error("Cannot open input file: %s", txt);
return(NULL);
}
if (skip > 0) fseek(fp, skip, SEEK_SET);
md5_starts( &ctx );
if (length>=0) {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0
&& length>0) {
if (nChar>length) nChar=length;
md5_update( &ctx, buf, nChar );
length -= nChar;
}
} else {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0)
md5_update( &ctx, buf, nChar );
}
fclose(fp);
md5_finish( &ctx, md5sum );
memcpy(output, md5sum, 16);
if (!leaveRaw)
for(j = 0; j < 16; j++)
sprintf(output + j * 2, "%02x", md5sum[j]);
break;
}
case 102: { /* sha1 file case */
int j;
sha1_context ctx;
output_length = 20;
unsigned char buf[1024];
unsigned char sha1sum[20];
if (!(fp = fopen(txt,"rb"))) {
error("Cannot open input file: %s", txt);
return(NULL);
}
if (skip > 0) fseek(fp, skip, SEEK_SET);
sha1_starts ( &ctx );
if (length>=0) {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0
&& length>0) {
if (nChar>length) nChar=length;
sha1_update( &ctx, buf, nChar );
length -= nChar;
}
} else {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0)
sha1_update( &ctx, buf, nChar );
}
fclose(fp);
sha1_finish ( &ctx, sha1sum );
memcpy(output, sha1sum, 20);
if(!leaveRaw)
for( j = 0; j < 20; j++ )
sprintf( output + j * 2, "%02x", sha1sum[j] );
break;
}
case 103: { /* crc32 file case */
unsigned char buf[1024];
unsigned long val;
if (!(fp = fopen(txt,"rb"))) {
error("Cannot open input file: %s", txt);
return(NULL);
}
if (skip > 0) fseek(fp, skip, SEEK_SET);
val = digest_crc32(0L, 0, 0);
if (length>=0) {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0
&& length>0) {
if (nChar>length) nChar=length;
val = digest_crc32(val , buf, (unsigned) nChar);
length -= nChar;
}
} else {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0)
val = digest_crc32(val , buf, (unsigned) nChar);
}
fclose(fp);
sprintf(output, "%2.2x", (unsigned int) val);
break;
}
case 104: { /* sha256 file case */
int j;
sha256_context ctx;
output_length = 32;
unsigned char buf[1024];
unsigned char sha256sum[32];
if (!(fp = fopen(txt,"rb"))) {
error("Cannot open input file: %s", txt);
return(NULL);
}
if (skip > 0) fseek(fp, skip, SEEK_SET);
sha256_starts ( &ctx );
if (length>=0) {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0
&& length>0) {
if (nChar>length) nChar=length;
sha256_update( &ctx, buf, nChar );
length -= nChar;
}
} else {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0)
sha256_update( &ctx, buf, nChar );
}
fclose(fp);
sha256_finish ( &ctx, sha256sum );
memcpy(output, sha256sum, 32);
if(!leaveRaw)
for( j = 0; j < 32; j++ )
sprintf( output + j * 2, "%02x", sha256sum[j] );
break;
}
case 105: { /* sha2-512 file case */
int j;
SHA512_CTX ctx;
output_length = SHA512_DIGEST_LENGTH;
uint8_t sha512sum[output_length], *d = sha512sum;
unsigned char buf[1024];
if (!(fp = fopen(txt,"rb"))) {
error("Cannot open input file: %s", txt);
return(NULL);
}
if (skip > 0) fseek(fp, skip, SEEK_SET);
SHA512_Init(&ctx);
if (length>=0) {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0
&& length>0) {
if (nChar>length) nChar=length;
SHA512_Update( &ctx, buf, nChar );
length -= nChar;
}
} else {
while( ( nChar = fread( buf, 1, sizeof( buf ), fp ) ) > 0)
SHA512_Update( &ctx, buf, nChar );
}
fclose(fp);
// Calling SHA512_Final, because SHA512_End will already
// convert the hash to a string, and we also want RAW
SHA512_Final(sha512sum, &ctx);
memcpy(output, sha512sum, output_length);
// adapted from SHA512_End
if(!leaveRaw) {
for (j = 0; j < output_length; j++) {
*outputp++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*outputp++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*outputp = (char)0;
}
break;
}
default: {
error("Unsupported algorithm code");
return(NULL);
}
}
if (leaveRaw && output_length > 0) {
PROTECT(result=allocVector(RAWSXP, output_length));
memcpy(RAW(result), output, output_length);
} else {
PROTECT(result=allocVector(STRSXP, 1));
SET_STRING_ELT(result, 0, mkChar(output));
}
UNPROTECT(1);
return result;
}