describe DC save file formats; add decrypt/encrypt actions
This commit is contained in:
Martin Michelsen
+185
-124
@@ -36,6 +36,12 @@ struct PSOVMSFileHeader {
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/* 0080 */ // parray<parray<uint8_t, 0x200>, num_icons> icon;
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bool checksum_correct() const;
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void check() const;
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inline size_t icon_data_size() const {
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return this->num_icons * 0x200;
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}
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bool is_v2() const;
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} __packed_ws__(PSOVMSFileHeader, 0x80);
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struct PSOGCIFileHeader {
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@@ -292,118 +298,139 @@ struct PSOBBBaseSystemFile : PSOBBMinimalSystemFile {
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// Character files
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struct PSODCNTECharacterFile {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xBB40711D;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint16_t save_count_since_last_inventory_erasure = 1;
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/* 0432:0016 */ le_uint16_t inventory_erasure_count = 0;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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// TODO: Figure out how quest flags work; it's obviously different from 0x80
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// bytes per difficulty like in v1. Is it just 2048 flags shared across all
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// difficulties, instead of 1024 in each difficulty?
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/* 0460:0044 */ parray<uint8_t, 0x100> quest_flags;
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/* 0560:0144 */ le_uint16_t bank_meseta;
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/* 0562:0146 */ le_uint16_t num_bank_items;
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/* 0564:0148 */ parray<ItemData, 60> bank_items;
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/* 0A14:05F8 */ GuildCardDCNTE guild_card;
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/* 0A8F:0673 */ uint8_t unknown_s1; // Probably actually unused
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/* 0A90:0674 */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 0AA0:0684 */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 0AB0:0694 */
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} __packed_ws__(PSODCNTECharacterFile, 0xAB0);
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/* 0000 */ le_uint32_t checksum = 0;
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struct Character {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xBB40711D;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint16_t save_count_since_last_inventory_erasure = 1;
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/* 0432:0016 */ le_uint16_t inventory_erasure_count = 0;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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// TODO: Figure out how quest flags work; it's obviously different from 0x80
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// bytes per difficulty like in v1. Is it just 2048 flags shared across all
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// difficulties, instead of 1024 in each difficulty?
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/* 0460:0044 */ parray<uint8_t, 0x100> quest_flags;
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/* 0560:0144 */ le_uint16_t bank_meseta;
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/* 0562:0146 */ le_uint16_t num_bank_items;
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/* 0564:0148 */ parray<ItemData, 60> bank_items;
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/* 0A14:05F8 */ GuildCardDCNTE guild_card;
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/* 0A8F:0673 */ uint8_t unknown_s1; // Probably actually unused
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/* 0A90:0674 */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 0AA0:0684 */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 0AB0:0694 */
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} __packed_ws__(Character, 0xAB0);
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/* 0004 */ Character character;
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/* 0AB4 */ le_uint32_t round2_seed = 0;
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/* 0AB8 */
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} __packed_ws__(PSODCNTECharacterFile, 0xAB8);
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struct PSODC112000CharacterFile {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xBB40711D;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint16_t save_count_since_last_inventory_erasure = 1;
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/* 0432:0016 */ le_uint16_t inventory_erasure_count = 0;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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// TODO: Figure out how quest flags work; it's obviously different from 0x80
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// bytes per difficulty like in v1. Is it just 2048 flags shared across all
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// difficulties, instead of 1024 in each difficulty?
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/* 0460:0044 */ parray<uint8_t, 0x100> quest_flags;
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/* 0560:0144 */ le_uint16_t bank_meseta;
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/* 0562:0146 */ le_uint16_t num_bank_items;
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/* 0564:0148 */ parray<ItemData, 60> bank_items;
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/* 0A14:05F8 */ GuildCardDC guild_card;
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/* 0A91:0675 */ parray<uint8_t, 3> unknown_s1; // Probably actually unused
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/* 0A94:0678 */ parray<SaveFileSymbolChatEntryDCXB, 12> symbol_chats;
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/* 0EB4:0A98 */ parray<SaveFileShortcutEntryDC, 20> shortcuts;
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/* 13B4:0F98 */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 13C4:0FA8 */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 13D4:0FB8 */
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} __packed_ws__(PSODC112000CharacterFile, 0x13D4);
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/* 0000 */ le_uint32_t checksum = 0;
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struct Character {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xBB40711D;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint16_t save_count_since_last_inventory_erasure = 1;
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/* 0432:0016 */ le_uint16_t inventory_erasure_count = 0;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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// TODO: Figure out how quest flags work; it's obviously different from 0x80
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// bytes per difficulty like in v1. Is it just 2048 flags shared across all
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// difficulties, instead of 1024 in each difficulty?
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/* 0460:0044 */ parray<uint8_t, 0x100> quest_flags;
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/* 0560:0144 */ le_uint16_t bank_meseta;
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/* 0562:0146 */ le_uint16_t num_bank_items;
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/* 0564:0148 */ parray<ItemData, 60> bank_items;
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/* 0A14:05F8 */ GuildCardDC guild_card;
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/* 0A91:0675 */ parray<uint8_t, 3> unknown_s1; // Probably actually unused
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/* 0A94:0678 */ parray<SaveFileSymbolChatEntryDCXB, 12> symbol_chats;
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/* 0EB4:0A98 */ parray<SaveFileShortcutEntryDC, 20> shortcuts;
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/* 13B4:0F98 */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 13C4:0FA8 */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 13D4:0FB8 */
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} __packed_ws__(Character, 0x13D4);
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/* 0004 */ Character character;
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/* 13D8 */ le_uint32_t round2_seed = 0;
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} __packed_ws__(PSODC112000CharacterFile, 0x13DC);
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struct PSODCV1CharacterFile {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xA205B064;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint32_t save_count = 1;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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/* 0460:0044 */ QuestFlagsV1 quest_flags;
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/* 05E0:01C4 */ PlayerBank60 bank;
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/* 0B88:076C */ GuildCardDC guild_card;
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/* 0C05:07E9 */ parray<uint8_t, 3> unknown_s1; // Probably actually unused
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/* 0C08:07EC */ parray<SaveFileSymbolChatEntryDCXB, 12> symbol_chats;
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/* 1028:0C0C */ parray<SaveFileShortcutEntryDC, 20> shortcuts;
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/* 1528:110C */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 1538:111C */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 1548:112C */
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} __packed_ws__(PSODCV1CharacterFile, 0x1548);
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/* 0000 */ le_uint32_t checksum = 0;
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struct Character {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xA205B064;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint32_t save_count = 1;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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/* 0460:0044 */ QuestFlagsV1 quest_flags;
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/* 05E0:01C4 */ PlayerBank60 bank;
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/* 0B88:076C */ GuildCardDC guild_card;
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/* 0C05:07E9 */ parray<uint8_t, 3> unknown_s1; // Probably actually unused
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/* 0C08:07EC */ parray<SaveFileSymbolChatEntryDCXB, 12> symbol_chats;
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/* 1028:0C0C */ parray<SaveFileShortcutEntryDC, 20> shortcuts;
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/* 1528:110C */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 1538:111C */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 1548:112C */
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} __packed_ws__(Character, 0x1548);
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/* 0004 */ Character character;
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/* 154C */ le_uint32_t round2_seed = 0;
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} __packed_ws__(PSODCV1CharacterFile, 0x1550);
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struct PSODCV2CharacterFile {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xA205B064;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint32_t save_count = 1;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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/* 0460:0044 */ QuestFlags quest_flags;
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/* 0660:0244 */ PlayerBank60 bank;
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/* 0C08:07EC */ GuildCardDC guild_card;
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/* 0C85:0869 */ parray<uint8_t, 3> unknown_s1; // Probably actually unused
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/* 0C88:086C */ parray<SaveFileSymbolChatEntryDCXB, 12> symbol_chats;
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/* 10A8:0C8C */ parray<SaveFileShortcutEntryDC, 20> shortcuts;
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/* 15A8:118C */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 15B8:119C */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 15C8:11AC */ PlayerRecordsBattle battle_records;
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/* 15E0:11C4 */ PlayerRecordsChallengeDC challenge_records;
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/* 1680:1264 */ parray<le_uint16_t, 20> tech_menu_shortcut_entries;
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// The Choice Search config is stored here as 32-bit integers, even though
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// it's represented with 16-bit integers in the various commands that send it
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// to and from the server. The order of the entries here is the same (that
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// is, the first two of these ints are entries[0], the second two are
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// entries[1], etc.).
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/* 16A8:128C */ parray<le_uint32_t, 10> choice_search_config;
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/* 16D0:12B4 */ parray<uint8_t, 4> unknown_a2;
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/* 16D4:12B8 */ pstring<TextEncoding::ASCII, 0x10> v2_serial_number;
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/* 16E4:12C8 */ pstring<TextEncoding::ASCII, 0x10> v2_access_key;
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/* 16F4:12D8 */
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} __packed_ws__(PSODCV2CharacterFile, 0x16F4);
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/* 0000 */ le_uint32_t checksum = 0;
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struct Character {
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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/* 0000:---- */ PlayerInventory inventory;
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/* 034C:---- */ PlayerDispDataDCPCV3 disp;
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/* 041C:0000 */ le_uint32_t validation_flags = 0;
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/* 0420:0004 */ le_uint32_t creation_timestamp = 0;
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/* 0424:0008 */ le_uint32_t signature = 0xA205B064;
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/* 0428:000C */ le_uint32_t play_time_seconds = 0;
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/* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
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/* 0430:0014 */ le_uint32_t save_count = 1;
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/* 0434:0018 */ pstring<TextEncoding::ASCII, 0x1C> ppp_username;
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/* 0450:0034 */ pstring<TextEncoding::ASCII, 0x10> ppp_password;
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/* 0460:0044 */ QuestFlags quest_flags;
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/* 0660:0244 */ PlayerBank60 bank;
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/* 0C08:07EC */ GuildCardDC guild_card;
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/* 0C85:0869 */ parray<uint8_t, 3> unknown_s1; // Probably actually unused
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/* 0C88:086C */ parray<SaveFileSymbolChatEntryDCXB, 12> symbol_chats;
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/* 10A8:0C8C */ parray<SaveFileShortcutEntryDC, 20> shortcuts;
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/* 15A8:118C */ pstring<TextEncoding::ASCII, 0x10> v1_serial_number;
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/* 15B8:119C */ pstring<TextEncoding::ASCII, 0x10> v1_access_key;
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/* 15C8:11AC */ PlayerRecordsBattle battle_records;
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/* 15E0:11C4 */ PlayerRecordsChallengeDC challenge_records;
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/* 1680:1264 */ parray<le_uint16_t, 20> tech_menu_shortcut_entries;
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// The Choice Search config is stored here as 32-bit integers, even though
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// it's represented with 16-bit integers in the various commands that send it
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// to and from the server. The order of the entries here is the same (that
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// is, the first two of these ints are entries[0], the second two are
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// entries[1], etc.).
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/* 16A8:128C */ parray<le_uint32_t, 10> choice_search_config;
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/* 16D0:12B4 */ parray<uint8_t, 4> unknown_a2;
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/* 16D4:12B8 */ pstring<TextEncoding::ASCII, 0x10> v2_serial_number;
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/* 16E4:12C8 */ pstring<TextEncoding::ASCII, 0x10> v2_access_key;
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/* 16F4:12D8 */
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} __packed_ws__(Character, 0x16F4);
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/* 0004 */ Character character;
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/* 16F0 */ le_uint32_t round2_seed = 0;
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} __packed_ws__(PSODCV2CharacterFile, 0x16FC);
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struct PSOPCCharacterFile { // PSO______SYS and PSO______SYD
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// See PSOGCCharacterFile::Character for descriptions of fields' meanings.
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@@ -517,7 +544,7 @@ struct PSOGCCharacterFile {
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// ------zA BCDEFG-- HHHIIIJJ KLMNOPQR
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// z = Function key setting (BB; 0 = menu shortcuts; 1 = chat shortcuts).
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// This bit is unused by PSO GC.
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// A = Keyboard controls (BB; 0 = on; 1 = off). Note that A is also used
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// A = Keyboard controls (BB; 0 = on; 1 = off). This field is also used
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// by PSO GC, but its function is currently unknown.
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// G = Choice search setting (0 = enabled; 1 = disabled)
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// H = Player lobby labels (0 = name; 1 = name, language, and level;
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@@ -555,7 +582,7 @@ struct PSOGCCharacterFile {
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/* 2794:2378 */ be_uint32_t unknown_f8 = 0;
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/* 2798:237C */
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} __packed_ws__(Character, 0x2798);
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/* 00004 */ parray<Character, 7> characters;
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/* 00004 */ parray<Character, 7> characters; // 0-3: main chars, 4-6: temps
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/* 1152C */ pstring<TextEncoding::ASCII, 0x10> serial_number; // As %08X (not decimal)
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/* 1153C */ pstring<TextEncoding::ASCII, 0x10> access_key;
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/* 1154C */ pstring<TextEncoding::ASCII, 0x10> password;
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@@ -760,13 +787,13 @@ struct PSOBBCharacterFile {
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uint8_t language,
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const PlayerDispDataBBPreview& preview,
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std::shared_ptr<const LevelTable> level_table);
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static std::shared_ptr<PSOBBCharacterFile> create_from_dc_v2(const PSODCV2CharacterFile& dc);
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static std::shared_ptr<PSOBBCharacterFile> create_from_dc_v2(const PSODCV2CharacterFile::Character& dc);
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static std::shared_ptr<PSOBBCharacterFile> create_from_gc_nte(const PSOGCNTECharacterFileCharacter& gc_nte);
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static std::shared_ptr<PSOBBCharacterFile> create_from_gc(const PSOGCCharacterFile::Character& gc);
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static std::shared_ptr<PSOBBCharacterFile> create_from_ep3(const PSOGCEp3CharacterFile::Character& ep3);
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static std::shared_ptr<PSOBBCharacterFile> create_from_xb(const PSOXBCharacterFileCharacter& xb);
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PSODCV2CharacterFile to_dc_v2() const;
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PSODCV2CharacterFile::Character to_dc_v2() const;
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PSOGCNTECharacterFileCharacter to_gc_nte() const;
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PSOGCCharacterFile::Character to_gc() const;
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PSOXBCharacterFileCharacter to_xb(uint64_t xb_user_id) const;
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@@ -811,11 +838,45 @@ void save_psochar(
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////////////////////////////////////////////////////////////////////////////////
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// Guild Card files
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struct PSODCV2GuildCardFile {
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// TODO: Fill this out.
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/* 0000 */ parray<uint8_t, 0x330C> unknown_a1;
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/* 330C */
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} __packed_ws__(PSODCV2GuildCardFile, 0x330C);
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struct PSODCNTEGuildCardFile {
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// Note: DC NTE does not encrypt the Guild Card file
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struct Entry {
|
||||
/* 0000 */ GuildCardDCNTE guild_card;
|
||||
/* 007B */ uint8_t unknown_a1 = 0; // Probably actually unused
|
||||
/* 007C */
|
||||
} __packed_ws__(Entry, 0x7C);
|
||||
/* 0000 */ parray<Entry, 100> entries;
|
||||
/* 3070 */
|
||||
} __packed_ws__(PSODCNTEGuildCardFile, 0x3070);
|
||||
|
||||
struct PSODCGuildCardFileEntry {
|
||||
/* 0000 */ GuildCardDC guild_card;
|
||||
/* 007D */ parray<uint8_t, 3> unknown_a1 = 0; // Probably actually unused
|
||||
/* 0080 */
|
||||
} __packed_ws__(PSODCGuildCardFileEntry, 0x80);
|
||||
|
||||
struct PSODC112000GuildCardFile {
|
||||
// Note: 11/2000 does not encrypt the Guild Card file
|
||||
/* 0000 */ parray<PSODCGuildCardFileEntry, 100> entries;
|
||||
/* 3200 */
|
||||
} __packed_ws__(PSODC112000GuildCardFile, 0x3200);
|
||||
|
||||
struct PSODCV1V2GuildCardFile {
|
||||
struct EncryptedSection {
|
||||
/* 0000 */ le_uint32_t checksum = 0;
|
||||
/* 0004 */ parray<PSODCGuildCardFileEntry, 100> entries;
|
||||
/* 3204 */ le_int16_t music_volume = 0;
|
||||
/* 3206 */ int8_t sound_volume = 0;
|
||||
/* 3207 */ uint8_t language = 1;
|
||||
/* 3208 */ le_uint32_t server_time_delta_frames = 540000; // 648000 on DCv1
|
||||
/* 320C */ le_uint32_t creation_timestamp = 0;
|
||||
/* 3210 */ le_uint32_t round2_seed = 0;
|
||||
/* 3214 */
|
||||
} __packed_ws__(EncryptedSection, 0x3214);
|
||||
/* 0000 */ EncryptedSection encrypted_section;
|
||||
/* 3214 */ parray<uint8_t, 0x100> event_flags;
|
||||
/* 3314 */
|
||||
} __packed_ws__(PSODCV1V2GuildCardFile, 0x3314);
|
||||
|
||||
struct PSOPCGuildCardFile { // PSO______GUD
|
||||
/* 0000 */ le_uint32_t checksum = 0;
|
||||
@@ -979,14 +1040,14 @@ std::string decrypt_fixed_size_data_section_s(
|
||||
size_t size,
|
||||
uint32_t round1_seed,
|
||||
bool skip_checksum = false,
|
||||
uint64_t override_round2_seed = 0xFFFFFFFFFFFFFFFF) {
|
||||
int64_t override_round2_seed = -1) {
|
||||
if (size < 2 * sizeof(U32T<BE>)) {
|
||||
throw std::runtime_error("data size is too small");
|
||||
}
|
||||
std::string decrypted = decrypt_data_section<BE>(data_section, size, round1_seed);
|
||||
|
||||
uint32_t round2_seed = override_round2_seed < 0x100000000
|
||||
? static_cast<uint32_t>(override_round2_seed)
|
||||
uint32_t round2_seed = (override_round2_seed >= 0)
|
||||
? override_round2_seed
|
||||
: reinterpret_cast<const U32T<BE>*>(decrypted.data() + decrypted.size() - sizeof(U32T<BE>))->load();
|
||||
PSOV2Encryption round2_crypt(round2_seed);
|
||||
if (BE) {
|
||||
@@ -1011,13 +1072,13 @@ std::string decrypt_fixed_size_data_section_s(
|
||||
return decrypted;
|
||||
}
|
||||
|
||||
template <typename StructT, bool BE>
|
||||
template <typename StructT, bool BE, size_t ChecksumLength = sizeof(StructT)>
|
||||
StructT decrypt_fixed_size_data_section_t(
|
||||
const void* data_section,
|
||||
size_t size,
|
||||
uint32_t round1_seed,
|
||||
bool skip_checksum = false,
|
||||
uint64_t override_round2_seed = 0xFFFFFFFFFFFFFFFF) {
|
||||
int64_t override_round2_seed = -1) {
|
||||
|
||||
std::string decrypted = decrypt_data_section<BE>(data_section, size, round1_seed);
|
||||
if (decrypted.size() < sizeof(StructT)) {
|
||||
@@ -1025,7 +1086,7 @@ StructT decrypt_fixed_size_data_section_t(
|
||||
}
|
||||
StructT ret = *reinterpret_cast<const StructT*>(decrypted.data());
|
||||
|
||||
PSOV2Encryption round2_crypt(override_round2_seed < 0x100000000 ? override_round2_seed : ret.round2_seed.load());
|
||||
PSOV2Encryption round2_crypt((override_round2_seed >= 0) ? override_round2_seed : ret.round2_seed.load());
|
||||
if (BE) {
|
||||
round2_crypt.encrypt_big_endian(&ret, offsetof(StructT, round2_seed));
|
||||
} else {
|
||||
@@ -1035,7 +1096,7 @@ StructT decrypt_fixed_size_data_section_t(
|
||||
if (!skip_checksum) {
|
||||
uint32_t expected_crc = ret.checksum;
|
||||
ret.checksum = 0;
|
||||
uint32_t actual_crc = phosg::crc32(&ret, sizeof(ret));
|
||||
uint32_t actual_crc = phosg::crc32(&ret, ChecksumLength);
|
||||
ret.checksum = expected_crc;
|
||||
if (expected_crc != actual_crc) {
|
||||
throw std::runtime_error(phosg::string_printf(
|
||||
@@ -1070,12 +1131,12 @@ std::string encrypt_fixed_size_data_section_s(const void* data, size_t size, uin
|
||||
return encrypt_data_section<BE>(encrypted.data(), encrypted.size(), round1_seed);
|
||||
}
|
||||
|
||||
template <typename StructT, bool BE>
|
||||
template <typename StructT, bool BE, size_t ChecksumLength = sizeof(StructT)>
|
||||
std::string encrypt_fixed_size_data_section_t(const StructT& s, uint32_t round1_seed) {
|
||||
StructT encrypted = s;
|
||||
encrypted.checksum = 0;
|
||||
encrypted.round2_seed = phosg::random_object<uint32_t>();
|
||||
encrypted.checksum = phosg::crc32(&encrypted, sizeof(encrypted));
|
||||
encrypted.checksum = phosg::crc32(&encrypted, ChecksumLength);
|
||||
|
||||
PSOV2Encryption round2_crypt(encrypted.round2_seed);
|
||||
if (BE) {
|
||||
|
||||
Reference in New Issue
Block a user