From 7f0f37fca781a578c7736f59cf70c859fdde271a Mon Sep 17 00:00:00 2001 From: Lioncash Date: Mon, 3 Aug 2020 13:18:43 -0400 Subject: partition_data_manager: Make data arrays constexpr Previously the constructor for all of these would run at program startup, consuming time before the application can enter main(). This is also particularly dangerous, given the logging system wouldn't have been initialized properly yet, yet the program would use the logs to signify an error. To rectify this, we can replace the literals with constexpr functions that perform the conversion at compile-time, completely eliminating the runtime cost of initializing these arrays. --- src/core/crypto/partition_data_manager.cpp | 206 ++++++++++++++++------------- 1 file changed, 112 insertions(+), 94 deletions(-) (limited to 'src/core/crypto/partition_data_manager.cpp') diff --git a/src/core/crypto/partition_data_manager.cpp b/src/core/crypto/partition_data_manager.cpp index 7ed71ac3a..4548ee2b2 100644 --- a/src/core/crypto/partition_data_manager.cpp +++ b/src/core/crypto/partition_data_manager.cpp @@ -27,7 +27,7 @@ #include "core/file_sys/vfs_offset.h" #include "core/file_sys/vfs_vector.h" -using namespace Common; +using Common::AsArray; namespace Core::Crypto { @@ -47,105 +47,123 @@ struct Package2Header { }; static_assert(sizeof(Package2Header) == 0x200, "Package2Header has incorrect size."); -const std::array source_hashes{ - "B24BD293259DBC7AC5D63F88E60C59792498E6FC5443402C7FFE87EE8B61A3F0"_array32, // keyblob_mac_key_source - "7944862A3A5C31C6720595EFD302245ABD1B54CCDCF33000557681E65C5664A4"_array32, // master_key_source - "21E2DF100FC9E094DB51B47B9B1D6E94ED379DB8B547955BEF8FE08D8DD35603"_array32, // package2_key_source - "FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"_array32, // aes_kek_generation_source - "FBD10056999EDC7ACDB96098E47E2C3606230270D23281E671F0F389FC5BC585"_array32, // aes_key_generation_source - "C48B619827986C7F4E3081D59DB2B460C84312650E9A8E6B458E53E8CBCA4E87"_array32, // titlekek_source - "04AD66143C726B2A139FB6B21128B46F56C553B2B3887110304298D8D0092D9E"_array32, // key_area_key_application_source - "FD434000C8FF2B26F8E9A9D2D2C12F6BE5773CBB9DC86300E1BD99F8EA33A417"_array32, // key_area_key_ocean_source - "1F17B1FD51AD1C2379B58F152CA4912EC2106441E51722F38700D5937A1162F7"_array32, // key_area_key_system_source - "6B2ED877C2C52334AC51E59ABFA7EC457F4A7D01E46291E9F2EAA45F011D24B7"_array32, // sd_card_kek_source - "D482743563D3EA5DCDC3B74E97C9AC8A342164FA041A1DC80F17F6D31E4BC01C"_array32, // sd_card_save_key_source - "2E751CECF7D93A2B957BD5FFCB082FD038CC2853219DD3092C6DAB9838F5A7CC"_array32, // sd_card_nca_key_source - "1888CAED5551B3EDE01499E87CE0D86827F80820EFB275921055AA4E2ABDFFC2"_array32, // header_kek_source - "8F783E46852DF6BE0BA4E19273C4ADBAEE16380043E1B8C418C4089A8BD64AA6"_array32, // header_key_source - "D1757E52F1AE55FA882EC690BC6F954AC46A83DC22F277F8806BD55577C6EED7"_array32, // rsa_kek_seed3 - "FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"_array32, // rsa_kek_mask0 +// clang-format off +constexpr std::array source_hashes{ + AsArray("B24BD293259DBC7AC5D63F88E60C59792498E6FC5443402C7FFE87EE8B61A3F0"), // keyblob_mac_key_source + AsArray("7944862A3A5C31C6720595EFD302245ABD1B54CCDCF33000557681E65C5664A4"), // master_key_source + AsArray("21E2DF100FC9E094DB51B47B9B1D6E94ED379DB8B547955BEF8FE08D8DD35603"), // package2_key_source + AsArray("FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"), // aes_kek_generation_source + AsArray("FBD10056999EDC7ACDB96098E47E2C3606230270D23281E671F0F389FC5BC585"), // aes_key_generation_source + AsArray("C48B619827986C7F4E3081D59DB2B460C84312650E9A8E6B458E53E8CBCA4E87"), // titlekek_source + AsArray("04AD66143C726B2A139FB6B21128B46F56C553B2B3887110304298D8D0092D9E"), // key_area_key_application_source + AsArray("FD434000C8FF2B26F8E9A9D2D2C12F6BE5773CBB9DC86300E1BD99F8EA33A417"), // key_area_key_ocean_source + AsArray("1F17B1FD51AD1C2379B58F152CA4912EC2106441E51722F38700D5937A1162F7"), // key_area_key_system_source + AsArray("6B2ED877C2C52334AC51E59ABFA7EC457F4A7D01E46291E9F2EAA45F011D24B7"), // sd_card_kek_source + AsArray("D482743563D3EA5DCDC3B74E97C9AC8A342164FA041A1DC80F17F6D31E4BC01C"), // sd_card_save_key_source + AsArray("2E751CECF7D93A2B957BD5FFCB082FD038CC2853219DD3092C6DAB9838F5A7CC"), // sd_card_nca_key_source + AsArray("1888CAED5551B3EDE01499E87CE0D86827F80820EFB275921055AA4E2ABDFFC2"), // header_kek_source + AsArray("8F783E46852DF6BE0BA4E19273C4ADBAEE16380043E1B8C418C4089A8BD64AA6"), // header_key_source + AsArray("D1757E52F1AE55FA882EC690BC6F954AC46A83DC22F277F8806BD55577C6EED7"), // rsa_kek_seed3 + AsArray("FC02B9D37B42D7A1452E71444F1F700311D1132E301A83B16062E72A78175085"), // rsa_kek_mask0 }; - -const std::array keyblob_source_hashes{ - "8A06FE274AC491436791FDB388BCDD3AB9943BD4DEF8094418CDAC150FD73786"_array32, // keyblob_key_source_00 - "2D5CAEB2521FEF70B47E17D6D0F11F8CE2C1E442A979AD8035832C4E9FBCCC4B"_array32, // keyblob_key_source_01 - "61C5005E713BAE780641683AF43E5F5C0E03671117F702F401282847D2FC6064"_array32, // keyblob_key_source_02 - "8E9795928E1C4428E1B78F0BE724D7294D6934689C11B190943923B9D5B85903"_array32, // keyblob_key_source_03 - "95FA33AF95AFF9D9B61D164655B32710ED8D615D46C7D6CC3CC70481B686B402"_array32, // keyblob_key_source_04 - "3F5BE7B3C8B1ABD8C10B4B703D44766BA08730562C172A4FE0D6B866B3E2DB3E"_array32, // keyblob_key_source_05 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_06 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_07 - - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_08 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_09 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0A - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0B - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0C - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0D - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0E - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_0F - - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_10 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_11 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_12 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_13 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_14 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_15 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_16 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_17 - - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_18 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_19 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1A - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1B - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1C - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1D - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1E - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // keyblob_key_source_1F +// clang-format on + +// clang-format off +constexpr std::array keyblob_source_hashes{ + AsArray("8A06FE274AC491436791FDB388BCDD3AB9943BD4DEF8094418CDAC150FD73786"), // keyblob_key_source_00 + AsArray("2D5CAEB2521FEF70B47E17D6D0F11F8CE2C1E442A979AD8035832C4E9FBCCC4B"), // keyblob_key_source_01 + AsArray("61C5005E713BAE780641683AF43E5F5C0E03671117F702F401282847D2FC6064"), // keyblob_key_source_02 + AsArray("8E9795928E1C4428E1B78F0BE724D7294D6934689C11B190943923B9D5B85903"), // keyblob_key_source_03 + AsArray("95FA33AF95AFF9D9B61D164655B32710ED8D615D46C7D6CC3CC70481B686B402"), // keyblob_key_source_04 + AsArray("3F5BE7B3C8B1ABD8C10B4B703D44766BA08730562C172A4FE0D6B866B3E2DB3E"), // keyblob_key_source_05 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_06 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_07 + + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_08 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_09 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0A + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0B + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0C + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0D + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0E + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_0F + + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_10 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_11 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_12 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_13 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_14 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_15 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_16 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_17 + + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_18 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_19 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1A + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1B + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1C + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1D + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1E + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // keyblob_key_source_1F }; - -const std::array master_key_hashes{ - "0EE359BE3C864BB0782E1D70A718A0342C551EED28C369754F9C4F691BECF7CA"_array32, // master_key_00 - "4FE707B7E4ABDAF727C894AAF13B1351BFE2AC90D875F73B2E20FA94B9CC661E"_array32, // master_key_01 - "79277C0237A2252EC3DFAC1F7C359C2B3D121E9DB15BB9AB4C2B4408D2F3AE09"_array32, // master_key_02 - "4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"_array32, // master_key_03 - "75FF1D95D26113550EE6FCC20ACB58E97EDEB3A2FF52543ED5AEC63BDCC3DA50"_array32, // master_key_04 - "EBE2BCD6704673EC0F88A187BB2AD9F1CC82B718C389425941BDC194DC46B0DD"_array32, // master_key_05 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_06 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_07 - - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_08 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_09 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0A - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0B - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0C - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0D - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0E - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_0F - - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_10 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_11 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_12 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_13 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_14 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_15 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_16 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_17 - - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_18 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_19 - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1A - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1B - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1C - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1D - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1E - "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1F +// clang-format on + +// clang-format off +constexpr std::array master_key_hashes{ + AsArray("0EE359BE3C864BB0782E1D70A718A0342C551EED28C369754F9C4F691BECF7CA"), // master_key_00 + AsArray("4FE707B7E4ABDAF727C894AAF13B1351BFE2AC90D875F73B2E20FA94B9CC661E"), // master_key_01 + AsArray("79277C0237A2252EC3DFAC1F7C359C2B3D121E9DB15BB9AB4C2B4408D2F3AE09"), // master_key_02 + AsArray("4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"), // master_key_03 + AsArray("75FF1D95D26113550EE6FCC20ACB58E97EDEB3A2FF52543ED5AEC63BDCC3DA50"), // master_key_04 + AsArray("EBE2BCD6704673EC0F88A187BB2AD9F1CC82B718C389425941BDC194DC46B0DD"), // master_key_05 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_06 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_07 + + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_08 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_09 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0A + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0B + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0C + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0D + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0E + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0F + + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_10 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_11 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_12 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_13 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_14 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_15 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_16 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_17 + + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_18 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_19 + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1A + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1B + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1C + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1D + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1E + AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_1F }; +// clang-format on + +static constexpr u8 CalculateMaxKeyblobSourceHash() { + const auto is_zero = [](const auto& data) { + // TODO: Replace with std::all_of whenever mingw decides to update their + // libraries to include the constexpr variant of it. + for (const auto element : data) { + if (element != 0) { + return false; + } + } + return true; + }; -static u8 CalculateMaxKeyblobSourceHash() { for (s8 i = 0x1F; i >= 0; --i) { - if (keyblob_source_hashes[i] != SHA256Hash{}) + if (!is_zero(keyblob_source_hashes[i])) { return static_cast(i + 1); + } } return 0; -- cgit v1.2.3 From 4f2acc54f5f981838476e766a20cbfacd7a03dd2 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Tue, 4 Aug 2020 01:14:20 -0400 Subject: partition_data_manager: Update master key hashes Fills in some hashes that were previously unhandled. --- src/core/crypto/partition_data_manager.cpp | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'src/core/crypto/partition_data_manager.cpp') diff --git a/src/core/crypto/partition_data_manager.cpp b/src/core/crypto/partition_data_manager.cpp index 4548ee2b2..5dcd847ba 100644 --- a/src/core/crypto/partition_data_manager.cpp +++ b/src/core/crypto/partition_data_manager.cpp @@ -116,12 +116,12 @@ constexpr std::array master_key_hashes{ AsArray("4F36C565D13325F65EE134073C6A578FFCB0008E02D69400836844EAB7432754"), // master_key_03 AsArray("75FF1D95D26113550EE6FCC20ACB58E97EDEB3A2FF52543ED5AEC63BDCC3DA50"), // master_key_04 AsArray("EBE2BCD6704673EC0F88A187BB2AD9F1CC82B718C389425941BDC194DC46B0DD"), // master_key_05 - AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_06 - AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_07 + AsArray("9497E6779F5D840F2BBA1DE4E95BA1D6F21EFC94717D5AE5CA37D7EC5BD37A19"), // master_key_06 + AsArray("4EC96B8CB01B8DCE382149443430B2B6EBCB2983348AFA04A25E53609DABEDF6"), // master_key_07 - AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_08 - AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_09 - AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0A + AsArray("2998E2E23609BC2675FF062A2D64AF5B1B78DFF463B24119D64A1B64F01B2D51"), // master_key_08 + AsArray("9D486A98067C44B37CF173D3BF577891EB6081FF6B4A166347D9DBBF7025076B"), // master_key_09 + AsArray("4EC5A237A75A083A9C5F6CF615601522A7F822D06BD4BA32612C9CEBBB29BD45"), // master_key_0A AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0B AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0C AsArray("0000000000000000000000000000000000000000000000000000000000000000"), // master_key_0D -- cgit v1.2.3