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https://github.com/jakcron/nstool
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[xcitool] Add PFS preview function.
This commit is contained in:
jakcron
parent
57414aab1c
commit
4019febb23
1 changed files with 92 additions and 148 deletions
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@ -5,90 +5,12 @@
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#include <crypto/rsa.h>
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#include <fnd/io.h>
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#include <fnd/MemoryBlob.h>
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#include <fnd/SimpleTextOutput.h>
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#include <nx/NXCrypto.h>
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#include <nx/xci.h>
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#include <nx/PfsHeader.h>
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enum RomSize
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{
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ROM_SIZE_1GB = 0xFA,
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ROM_SIZE_2GB = 0xF8,
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ROM_SIZE_4GB = 0xF0,
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ROM_SIZE_8GB = 0xE0,
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ROM_SIZE_16GB = 0xE1,
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ROM_SIZE_32GB = 0xE2
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};
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enum XciHeaderFlags
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{
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XCI_FLAG_AUTOBOOT,
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XCI_FLAG_HISTORY_ERASE
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};
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enum CardClockRate
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{
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CLOCK_RATE_25 = 10551312,
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CLOCK_RATE_50 = 10551313,
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};
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static const size_t kXciPageSize = 0x200;
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static const size_t kXciHeaderEncOffset = 0x90;
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static const size_t kXciHeaderEncSize = 0x70;
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#pragma pack (push, 1)
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struct sXciHeader
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{
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char signature[4]; // 0x00 // "HEAD"
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le_uint32_t rom_area_start_page; // 0x04
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le_uint32_t backup_area_start_page; // 0x08
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byte_t key_flag; // 0x0C // bit0-3 = KekIndex, bit4-7 = TitleKeyDecIndex
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byte_t rom_size; // 0x0D // this is an enum
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byte_t card_header_version; // 0x0E // CardHeaderVersion
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byte_t flags; // 0x0F
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le_uint64_t package_id; // 0x10 // stylised as 0x{0:x2}{1:x2}{2:x2}{3:x2}_{4:x2}{5:x2}{6:x2}{7:x2}
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le_uint32_t valid_data_end_page; // 0x18
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byte_t reserved_01[4]; // 0x1C
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byte_t encryption_iv[16]; // 0x20
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le_uint64_t partition_fs_header_address; // 0x30
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le_uint64_t partition_fs_header_size; // 0x38
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byte_t partition_fs_header_hash[0x20]; // 0x40
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byte_t initial_data_hash[0x20]; // 0x60
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le_uint32_t sel_sec; // 0x80
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le_uint32_t sel_t1_key; // 0x84 // SelT1Key
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le_uint32_t sel_key; // 0x88 // SelKey
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le_uint32_t lim_area; // 0x8C
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// START ENCRYPTION
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le_uint32_t fw_version[2]; // 0x90 // [0]=minor, [1]=major
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le_uint32_t acc_ctrl_1; // 0x98
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le_uint32_t wait_1_time_read; // 0x9C // Wait1TimeRead
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le_uint32_t wait_2_time_read; // 0xA0 // Wait2TimeRead
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le_uint32_t wait_1_time_write; // 0xA4 // Wait1TimeWrite
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le_uint32_t wait_2_time_write; // 0xA8 // Wait2TimeWrite
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le_uint32_t fw_mode; // 0xAC
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le_uint32_t cup_version; // 0xB0
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byte_t reserved_03[0x4]; // 0xB4
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byte_t upp_hash[8]; // 0xB8 // stylised as 0x{0:x2}{1:x2}{2:x2}{3:x2}_{4:x2}{5:x2}{6:x2}{7:x2}
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le_uint64_t cup_id; // 0xC0 // cup programID?
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byte_t reserved_04[0x38];
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// END ENCRYPTION
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};
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struct sInitialData
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{
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byte_t key_source[16]; // { package_id[8], zeros[8]}
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byte_t title_key_enc[16];
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byte_t ccm_mac[16];
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byte_t ccm_nonce[12];
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}; // sizeof() = 512 (1 page)
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struct sKeyDataArea
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{
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sInitialData initial_data; // AES128-CCM encrypted {titlekey[16]}
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byte_t encrypted_00[0x200*6]; // AES128-CTR encrypted {titlekey[16]}
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byte_t encrypted_00_aesctr_data[0x100]; // RSA2048-OAEP-SHA256 encrypted AES-CTR data used for encrypted_00 {key[16],iv[16]}
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byte_t reserved_01[0x100];
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}; // sizeof() = 512*8 (8 pages)
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#pragma pack (pop)
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/*
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struct sXciKeyData
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{
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crypto::aes::sAes128Key xci_header_encryption_key;
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@ -97,13 +19,12 @@ struct sXciKeyData
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crypto::rsa::sRsa2048Key card_key_area_oeap_key;
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};
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/*
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void getTitleKeyFromInitialData(const byte_t* initialData, crypto::aes::sAes128Key& titleKey)
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{
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const sInitialData* data = (const sInitialData*)initialData;
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crypto::aes::sAes128Key ccmKey;
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crypto::aes::AesEcbDecrypt(data->key_source, 16, key_data.initial_data_key.key, ccmKey.key);
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//crypto::aes::AesCcmDecrypt(data->title_key_enc, 16, ccmKey.key, data->ccm_nonce, data->ccm_mac, titleKey.key);
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crypto::aes::AesCcmDecrypt(data->title_key_enc, 16, ccmKey.key, data->ccm_nonce, data->ccm_mac, titleKey.key);
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}
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*/
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@ -122,22 +43,22 @@ inline const char* getRomSizeStr(byte_t rom_size)
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const char* str = "unknown";
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switch (rom_size)
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{
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case (ROM_SIZE_1GB) :
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case (nx::xci::ROM_SIZE_1GB) :
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str = "1GB";
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break;
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case (ROM_SIZE_2GB) :
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case (nx::xci::ROM_SIZE_2GB) :
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str = "2GB";
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break;
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case (ROM_SIZE_4GB) :
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case (nx::xci::ROM_SIZE_4GB) :
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str = "4GB";
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break;
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case (ROM_SIZE_8GB) :
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case (nx::xci::ROM_SIZE_8GB) :
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str = "8GB";
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break;
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case (ROM_SIZE_16GB) :
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case (nx::xci::ROM_SIZE_16GB) :
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str = "16GB";
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break;
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case (ROM_SIZE_32GB) :
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case (nx::xci::ROM_SIZE_32GB) :
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str = "32GB";
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break;
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}
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@ -149,10 +70,10 @@ inline const char* getCardClockRate(uint32_t acc_ctrl_1)
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const char* str = "unknown";
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switch (acc_ctrl_1)
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{
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case (CLOCK_RATE_25) :
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case (nx::xci::CLOCK_RATE_25) :
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str = "20 MHz";
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break;
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case (CLOCK_RATE_50) :
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case (nx::xci::CLOCK_RATE_50) :
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str = "50 MHz";
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break;
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@ -160,44 +81,14 @@ inline const char* getCardClockRate(uint32_t acc_ctrl_1)
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return str;
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}
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void dumpHxdStyleSector(byte_t* out, size_t len)
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void printXciHeader(const nx::sXciHeader& hdr, bool is_decrypted)
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{
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// iterate over 0x10 blocks
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for (size_t i = 0; i < (len / crypto::aes::kAesBlockSize); i++)
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crypto::aes::sAesIvCtr iv;
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for (size_t i = 0; i < sizeof(iv); i++)
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{
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// for block i print each byte
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for (size_t j = 0; j < crypto::aes::kAesBlockSize; j++)
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{
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printf("%02X ", out[i*crypto::aes::kAesBlockSize + j]);
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}
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printf(" ");
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for (size_t j = 0; j < crypto::aes::kAesBlockSize; j++)
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{
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printf("%c", isalnum(out[i*crypto::aes::kAesBlockSize + j]) ? out[i*crypto::aes::kAesBlockSize + j] : '.');
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}
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printf("\n");
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iv.iv[15-i] = hdr.encryption_iv[i];
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}
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/*
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for (size_t i = 0; i < len % crypto::aes::kAesBlockSize; i++)
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{
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printf("%02X ", out[(len / crypto::aes::kAesBlockSize)*crypto::aes::kAesBlockSize + i]);
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}
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for (size_t i = 0; i < crypto::aes::kAesBlockSize - (len % crypto::aes::kAesBlockSize); i++)
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{
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printf(" ");
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}
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for (size_t i = 0; i < len % crypto::aes::kAesBlockSize; i++)
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{
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printf("%c", out[(len / crypto::aes::kAesBlockSize)*crypto::aes::kAesBlockSize + i]);
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}
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*/
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}
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void printXciHeader(const sXciHeader& hdr, bool is_decrypted)
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{
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be_uint64_t *aes_iv, *hash;
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printf("[XCI HEADER]\n");
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printf(" Magic: HEAD\n");
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printf(" RomAreaStartPage: 0x%0x (0x%" PRIx64 ")\n", hdr.rom_area_start_page.get(), blockToAddr(hdr.rom_area_start_page.get()));
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@ -208,20 +99,21 @@ void printXciHeader(const sXciHeader& hdr, bool is_decrypted)
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printf(" RomSize: 0x%x (%s)\n", hdr.rom_size, getRomSizeStr(hdr.rom_size));
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printf(" CardHeaderVersion: %d\n", hdr.card_header_version);
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printf(" Flags: 0x%x\n", hdr.flags);
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printf(" AutoBoot: %s\n", getBoolStr(_HAS_BIT(hdr.flags, XCI_FLAG_AUTOBOOT)));
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printf(" HistoryErase: %s\n", getBoolStr(_HAS_BIT(hdr.flags, XCI_FLAG_HISTORY_ERASE)));
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printf(" AutoBoot: %s\n", getBoolStr(_HAS_BIT(hdr.flags, nx::xci::FLAG_AUTOBOOT)));
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printf(" HistoryErase: %s\n", getBoolStr(_HAS_BIT(hdr.flags, nx::xci::FLAG_HISTORY_ERASE)));
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printf(" RepairTool: %s\n", getBoolStr(_HAS_BIT(hdr.flags, nx::xci::FLAG_REPAIR_TOOL)));
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printf(" PackageId: 0x%" PRIx64 "\n", hdr.package_id.get());
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printf(" ValidDataEndPage: 0x%x (0x%" PRIx64 ")\n", hdr.valid_data_end_page.get(), blockToAddr(hdr.valid_data_end_page.get()));
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aes_iv = (be_uint64_t*)hdr.encryption_iv;
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printf(" AesIv: %016" PRIX64 "%016" PRIX64"\n", aes_iv[0].get(), aes_iv[1].get());
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printf(" AesIv: ");
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fnd::SimpleTextOutput::hexDump(iv.iv, sizeof(iv));
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printf(" PartitionFs:\n");
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printf(" Offset: 0x%" PRIx64 "\n", hdr.partition_fs_header_address.get());
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printf(" Size: 0x%" PRIx64 "\n", hdr.partition_fs_header_size.get());
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hash = (be_uint64_t*)hdr.partition_fs_header_hash;
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printf(" Hash: %016" PRIX64 "%016" PRIX64 "%016" PRIX64 "%016" PRIX64"\n", hash[0].get(),hash[1].get(),hash[2].get(),hash[3].get());
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printf(" Hash: ");
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fnd::SimpleTextOutput::hexDump(hdr.partition_fs_header_hash, 0x20);
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printf(" InitialData:\n");
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hash = (be_uint64_t*)hdr.initial_data_hash;
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printf(" Hash: %016" PRIX64 "%016" PRIX64 "%016" PRIX64 "%016" PRIX64"\n", hash[0].get(),hash[1].get(),hash[2].get(),hash[3].get());
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printf(" Hash: ");
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fnd::SimpleTextOutput::hexDump(hdr.initial_data_hash, 0x20);
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printf(" SelSec: 0x%x\n", hdr.sel_sec.get());
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printf(" SelT1Key: 0x%x\n", hdr.sel_t1_key.get());
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printf(" SelKey: 0x%x\n", hdr.sel_key.get());
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@ -229,7 +121,7 @@ void printXciHeader(const sXciHeader& hdr, bool is_decrypted)
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if (is_decrypted == true)
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{
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printf(" FwVersion: v%d.%d\n", hdr.fw_version[1].get(), hdr.fw_version[0].get());
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printf(" FwVersion: v%d.%d\n", hdr.fw_version[nx::xci::FWVER_MAJOR].get(), hdr.fw_version[nx::xci::FWVER_MINOR].get());
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printf(" AccCtrl1: 0x%x\n", hdr.acc_ctrl_1.get());
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printf(" CardClockRate: %s\n", getCardClockRate(hdr.acc_ctrl_1.get()));
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printf(" Wait1TimeRead: 0x%x\n", hdr.wait_1_time_read.get());
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@ -237,17 +129,41 @@ void printXciHeader(const sXciHeader& hdr, bool is_decrypted)
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printf(" Wait1TimeWrite: 0x%x\n", hdr.wait_1_time_write.get());
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printf(" Wait2TimeWrite: 0x%x\n", hdr.wait_2_time_write.get());
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printf(" FwMode: 0x%x\n", hdr.fw_mode.get());
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printf(" CupVersion: %d\n", hdr.cup_version.get());
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hash = (be_uint64_t*)hdr.upp_hash;
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printf(" UppHash: %016" PRIX64 "\n", hash[0].get());
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printf(" CupId: %016" PRIx64 "\n", hdr.cup_id.get());
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printf(" UppVersion: %d\n", hdr.upp_version.get());
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printf(" UppHash: ");
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fnd::SimpleTextOutput::hexDump(hdr.upp_hash, 8);
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printf(" UppId: %016" PRIx64 "\n", hdr.upp_id.get());
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}
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}
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void printXciPartitionFs(const nx::PfsHeader& pfs, const std::string& partition_name)
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{
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printf("[PartitionFS]\n");
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printf(" Type: %s\n", pfs.getFsType() == pfs.TYPE_PFS0 ? "PFS0" : "HFS0");
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if (partition_name.empty())
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{
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printf(" FileSystem: (%d files)\n", pfs.getFileList().getSize());
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}
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else
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{
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printf(" %s/\n", partition_name.c_str());
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}
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for (size_t i = 0; i < pfs.getFileList().getSize(); i++)
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{
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printf(" %s", pfs.getFileList()[i].name.c_str());
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if (pfs.getFsType() == pfs.TYPE_PFS0)
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printf(" (offset=0x%" PRIx64 ", size=0x%" PRIx64 ")\n", pfs.getFileList()[i].offset, pfs.getFileList()[i].size);
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else
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printf(" (offset=0x%" PRIx64 ", size=0x%" PRIx64 ", hash_protected_size=0x%" PRIx64 ")\n", pfs.getFileList()[i].offset, pfs.getFileList()[i].size, pfs.getFileList()[i].hash_protected_size);
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}
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}
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void decryptXciHeader(const byte_t* src, byte_t* dst)
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{
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const byte_t* src_iv = ((const sXciHeader*)src)->encryption_iv;
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const byte_t* src_iv = ((const nx::sXciHeader*)src)->encryption_iv;
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byte_t iv[crypto::aes::kAesBlockSize];
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for (size_t i = 0; i < crypto::aes::kAesBlockSize; i++)
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@ -256,10 +172,10 @@ void decryptXciHeader(const byte_t* src, byte_t* dst)
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}
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// copy plain
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memcpy(dst, src, kXciHeaderEncOffset);
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memcpy(dst, src, nx::xci::kHeaderEncOffset);
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// decrypt encrypted
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crypto::aes::AesCbcDecrypt(src + kXciHeaderEncOffset, kXciHeaderEncSize, crypto::aes::nx::prod::xci_header_key, iv, dst + kXciHeaderEncOffset);
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// decrypt encrypted data
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crypto::aes::AesCbcDecrypt(src + nx::xci::kHeaderEncOffset, nx::xci::kHeaderEncSize, crypto::aes::nx::prod::xci_header_key, iv, dst + nx::xci::kHeaderEncOffset);
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}
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int main(int argc, char** argv)
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@ -271,12 +187,40 @@ int main(int argc, char** argv)
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}
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fnd::MemoryBlob xciFile;
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fnd::io::readFile(argv[1], 0x100, 0x100, xciFile);
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fnd::MemoryBlob tmp;
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fnd::io::readFile(argv[1], 0x100, sizeof(nx::sXciHeader), tmp);
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decryptXciHeader(tmp.getBytes(), tmp.getBytes());
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sXciHeader* hdr = (sXciHeader*)xciFile.getBytes();
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decryptXciHeader(xciFile.getBytes(), xciFile.getBytes());
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printXciHeader(*hdr, true);
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nx::sXciHeader hdr;
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memcpy((void*)&hdr, tmp.getBytes(), sizeof(nx::sXciHeader));
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printXciHeader(hdr, true);
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crypto::sha::sSha256Hash testHash;
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// read root PFS
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fnd::io::readFile(argv[1], hdr.partition_fs_header_address.get(), hdr.partition_fs_header_size.get(), tmp);
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crypto::sha::Sha256(tmp.getBytes(), tmp.getSize(), testHash.bytes);
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if (testHash.compare(hdr.partition_fs_header_hash) == false)
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{
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throw fnd::Exception("xcitool", "Bad root partition hash");
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}
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nx::PfsHeader rootPfs;
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rootPfs.importBinary(tmp.getBytes(), tmp.getSize());
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printXciPartitionFs(rootPfs, "xci:");
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// read sub PFS
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for (size_t i = 0; i < rootPfs.getFileList().getSize(); i++)
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{
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fnd::io::readFile(argv[1], hdr.partition_fs_header_address.get() + rootPfs.getFileList()[i].offset, rootPfs.getFileList()[i].hash_protected_size, tmp);
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crypto::sha::Sha256(tmp.getBytes(), tmp.getSize(), testHash.bytes);
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if (testHash.compare(rootPfs.getFileList()[i].hash) == false)
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{
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throw fnd::Exception("xcitool", "Bad partition hash");
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}
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nx::PfsHeader pfs;
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pfs.importBinary(tmp.getBytes(), tmp.getSize());
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printXciPartitionFs(pfs, "xci:/" + rootPfs.getFileList()[i].name);
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}
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return 0;
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}
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