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Derive additional SD card keys

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Alex Barney 2019-08-11 16:36:21 -05:00
parent 614adb2a31
commit 2f4df2eef3
2 changed files with 84 additions and 58 deletions
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85
KEYS.md
View file

@ -45,58 +45,61 @@ This template contains the keys needed to derive all the keys used by hactoolnet
Fill out the template with the actual keys to get a working keyfile. Fill out the template with the actual keys to get a working keyfile.
``` ```
master_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
master_key_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
master_key_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
master_key_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
master_key_03 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_03 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
master_key_04 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_04 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
master_key_05 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_05 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_mac_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_mac_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_key_source_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_key_source_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_key_source_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_key_source_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_key_source_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_key_source_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_key_source_03 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_key_source_03 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_key_source_04 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_key_source_04 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
keyblob_key_source_05 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX keyblob_key_source_05 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
package1_key_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX package1_key_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
package1_key_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX package1_key_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
package1_key_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX package1_key_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
package1_key_03 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX package1_key_03 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
package1_key_04 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX package1_key_04 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
package2_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX package2_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
aes_kek_generation_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX aes_kek_generation_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
aes_key_generation_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX aes_key_generation_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
titlekek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX titlekek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
key_area_key_application_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX key_area_key_application_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
key_area_key_ocean_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX key_area_key_ocean_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
key_area_key_system_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX key_area_key_system_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
sd_card_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX sd_card_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
sd_card_save_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX sd_card_save_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
sd_card_nca_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX sd_card_nca_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
sd_card_custom_storage_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
header_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX header_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
header_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX header_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
xci_header_key = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX xci_header_key = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
retail_specific_aes_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX retail_specific_aes_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
per_console_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX per_console_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
eticket_rsa_kek = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX eticket_rsa_kek = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
bis_key_source_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX bis_key_source_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
bis_key_source_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX bis_key_source_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
bis_key_source_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX bis_key_source_02 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
bis_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX bis_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
save_mac_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX save_mac_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
save_mac_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX save_mac_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
save_mac_sd_card_kek_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
save_mac_sd_card_key_source = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
``` ```
### Console-unique keys ### Console-unique keys

37
src/LibHac/Keyset.cs
View file

@ -15,6 +15,8 @@ namespace LibHac
/// </summary> /// </summary>
private const int UsedKeyblobCount = 6; private const int UsedKeyblobCount = 6;
private const int SdCardKeyIdCount = 3;
public byte[][] KeyblobKeys { get; } = Util.CreateJaggedArray<byte[][]>(0x20, 0x10); public byte[][] KeyblobKeys { get; } = Util.CreateJaggedArray<byte[][]>(0x20, 0x10);
public byte[][] KeyblobMacKeys { get; } = Util.CreateJaggedArray<byte[][]>(0x20, 0x10); public byte[][] KeyblobMacKeys { get; } = Util.CreateJaggedArray<byte[][]>(0x20, 0x10);
public byte[][] EncryptedKeyblobs { get; } = Util.CreateJaggedArray<byte[][]>(0x20, 0xB0); public byte[][] EncryptedKeyblobs { get; } = Util.CreateJaggedArray<byte[][]>(0x20, 0xB0);
@ -35,11 +37,13 @@ namespace LibHac
public byte[] KeyAreaKeyOceanSource { get; } = new byte[0x10]; public byte[] KeyAreaKeyOceanSource { get; } = new byte[0x10];
public byte[] KeyAreaKeySystemSource { get; } = new byte[0x10]; public byte[] KeyAreaKeySystemSource { get; } = new byte[0x10];
public byte[] SaveMacKekSource { get; } = new byte[0x10]; public byte[] SaveMacKekSource { get; } = new byte[0x10];
public byte[] SaveMacSdCardKekSource { get; } = new byte[0x10];
public byte[] SaveMacKeySource { get; } = new byte[0x10]; public byte[] SaveMacKeySource { get; } = new byte[0x10];
public byte[] SaveMacSdCardKeySource { get; } = new byte[0x10];
public byte[] TitleKekSource { get; } = new byte[0x10]; public byte[] TitleKekSource { get; } = new byte[0x10];
public byte[] HeaderKekSource { get; } = new byte[0x10]; public byte[] HeaderKekSource { get; } = new byte[0x10];
public byte[] SdCardKekSource { get; } = new byte[0x10]; public byte[] SdCardKekSource { get; } = new byte[0x10];
public byte[][] SdCardKeySources { get; } = Util.CreateJaggedArray<byte[][]>(2, 0x20); public byte[][] SdCardKeySources { get; } = Util.CreateJaggedArray<byte[][]>(SdCardKeyIdCount, 0x20);
public byte[] HeaderKeySource { get; } = new byte[0x20]; public byte[] HeaderKeySource { get; } = new byte[0x20];
public byte[] HeaderKey { get; } = new byte[0x20]; public byte[] HeaderKey { get; } = new byte[0x20];
public byte[] XciHeaderKey { get; } = new byte[0x10]; public byte[] XciHeaderKey { get; } = new byte[0x10];
@ -58,9 +62,10 @@ namespace LibHac
public byte[] DeviceKey { get; } = new byte[0x10]; public byte[] DeviceKey { get; } = new byte[0x10];
public byte[][] BisKeys { get; } = Util.CreateJaggedArray<byte[][]>(4, 0x20); public byte[][] BisKeys { get; } = Util.CreateJaggedArray<byte[][]>(4, 0x20);
public byte[] SaveMacKey { get; } = new byte[0x10]; public byte[] SaveMacKey { get; } = new byte[0x10];
public byte[] SaveMacSdCardKey { get; } = new byte[0x10];
public byte[] SdSeed { get; } = new byte[0x10]; public byte[] SdSeed { get; } = new byte[0x10];
public byte[][] SdCardKeySourcesSpecific { get; } = Util.CreateJaggedArray<byte[][]>(2, 0x20); public byte[][] SdCardKeySourcesSpecific { get; } = Util.CreateJaggedArray<byte[][]>(SdCardKeyIdCount, 0x20);
public byte[][] SdCardKeys { get; } = Util.CreateJaggedArray<byte[][]>(2, 0x20); public byte[][] SdCardKeys { get; } = Util.CreateJaggedArray<byte[][]>(SdCardKeyIdCount, 0x20);
public RSAParameters EticketExtKeyRsa { get; set; } public RSAParameters EticketExtKeyRsa { get; set; }
@ -336,7 +341,7 @@ namespace LibHac
var sdKek = new byte[0x10]; var sdKek = new byte[0x10];
Crypto.GenerateKek(MasterKeys[0], SdCardKekSource, sdKek, AesKekGenerationSource, AesKeyGenerationSource); Crypto.GenerateKek(MasterKeys[0], SdCardKekSource, sdKek, AesKekGenerationSource, AesKeyGenerationSource);
for (int k = 0; k < SdCardKeySources.Length; k++) for (int k = 0; k < SdCardKeyIdCount; k++)
{ {
for (int i = 0; i < 0x20; i++) for (int i = 0; i < 0x20; i++)
{ {
@ -344,10 +349,24 @@ namespace LibHac
} }
} }
for (int k = 0; k < SdCardKeySourcesSpecific.Length; k++) for (int k = 0; k < SdCardKeyIdCount; k++)
{ {
Crypto.DecryptEcb(sdKek, SdCardKeySourcesSpecific[k], SdCardKeys[k], 0x20); Crypto.DecryptEcb(sdKek, SdCardKeySourcesSpecific[k], SdCardKeys[k], 0x20);
} }
// Derive sd card save key
if (!SaveMacSdCardKekSource.IsEmpty() && !SaveMacSdCardKeySource.IsEmpty())
{
var keySource = new byte[0x10];
for (int i = 0; i < 0x10; i++)
{
keySource[i] = (byte)(SaveMacSdCardKeySource[i] ^ SdSeed[i]);
}
Crypto.GenerateKek(MasterKeys[0], SaveMacSdCardKekSource, sdKek, AesKekGenerationSource, null);
Crypto.DecryptEcb(sdKek, keySource, SaveMacSdCardKey, 0x10);
}
} }
internal static readonly string[] KakNames = { "application", "ocean", "system" }; internal static readonly string[] KakNames = { "application", "ocean", "system" };
@ -572,10 +591,13 @@ namespace LibHac
new KeyValue("titlekek_source", 0x10, 100, set => set.TitleKekSource), new KeyValue("titlekek_source", 0x10, 100, set => set.TitleKekSource),
new KeyValue("save_mac_kek_source", 0x10, 110, set => set.SaveMacKekSource), new KeyValue("save_mac_kek_source", 0x10, 110, set => set.SaveMacKekSource),
new KeyValue("save_mac_sd_card_kek_source", 0x10, 110, set => set.SaveMacSdCardKekSource),
new KeyValue("save_mac_key_source", 0x10, 110, set => set.SaveMacKeySource), new KeyValue("save_mac_key_source", 0x10, 110, set => set.SaveMacKeySource),
new KeyValue("save_mac_sd_card_key_source", 0x10, 110, set => set.SaveMacSdCardKeySource),
new KeyValue("sd_card_kek_source", 0x10, 110, set => set.SdCardKekSource), new KeyValue("sd_card_kek_source", 0x10, 110, set => set.SdCardKekSource),
new KeyValue("sd_card_nca_key_source", 0x20, 110, set => set.SdCardKeySources[1]),
new KeyValue("sd_card_save_key_source", 0x20, 110, set => set.SdCardKeySources[0]), new KeyValue("sd_card_save_key_source", 0x20, 110, set => set.SdCardKeySources[0]),
new KeyValue("sd_card_nca_key_source", 0x20, 110, set => set.SdCardKeySources[1]),
new KeyValue("sd_card_custom_storage_key_source", 0x20, 110, set => set.SdCardKeySources[2]),
new KeyValue("eticket_rsa_kek", 0x10, 120, set => set.EticketRsaKek), new KeyValue("eticket_rsa_kek", 0x10, 120, set => set.EticketRsaKek),
new KeyValue("ssl_rsa_kek", 0x10, 120, set => set.SslRsaKek), new KeyValue("ssl_rsa_kek", 0x10, 120, set => set.SslRsaKek),
@ -620,7 +642,8 @@ namespace LibHac
new KeyValue("sd_seed", 0x10, 10, set => set.SdSeed), new KeyValue("sd_seed", 0x10, 10, set => set.SdSeed),
new KeyValue("device_key", 0x10, 40, set => set.DeviceKey), new KeyValue("device_key", 0x10, 40, set => set.DeviceKey),
new KeyValue("save_mac_key", 0x10, 60, set => set.SaveMacKey) new KeyValue("save_mac_key", 0x10, 60, set => set.SaveMacKey),
new KeyValue("save_mac_sd_card_key", 0x10, 60, set => set.SaveMacSdCardKey)
}; };
for (int slot = 0; slot < 0x20; slot++) for (int slot = 0; slot < 0x20; slot++)