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Generate PIC for hybrid discs using layerbreak

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This commit is contained in:
Deterous
2023-11-25 02:08:29 +13:00
parent 43e8517bf0
commit 652cd4aa52
2 changed files with 98 additions and 70 deletions
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LibIRD/IRD.cs
+13 -15
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@@ -406,8 +406,7 @@ namespace LibIRD
private protected static byte[] GenerateD1(byte[] key)
{
// Validate key
if (key == null)
throw new ArgumentNullException(nameof(key));
ArgumentNullException.ThrowIfNull(key, nameof(key));
if (key.Length != 16)
throw new ArgumentException("Disc Key must be a byte array of length 16", nameof(key));
@@ -441,8 +440,7 @@ namespace LibIRD
private protected static byte[] GenerateDiscKey(byte[] d1)
{
// Validate key
if (d1 == null)
throw new ArgumentNullException(nameof(d1));
ArgumentNullException.ThrowIfNull(d1, nameof(d1));
if (d1.Length != 16)
throw new ArgumentException("Disc Key must be a byte array of length 16", nameof(d1));
@@ -476,7 +474,7 @@ namespace LibIRD
private protected static byte[] GenerateD2(byte[] d2)
{
// Validate id
if (d2 == null) throw new ArgumentNullException(nameof(d2));
ArgumentNullException.ThrowIfNull(d2, nameof(d2));
if (d2.Length != 16) throw new ArgumentException("Disc ID must be a byte array of length 16", nameof(d2));
// Setup AES encryption
@@ -509,8 +507,7 @@ namespace LibIRD
private protected static byte[] GenerateDiscID(byte[] d2)
{
// Validate id
if (d2 == null)
throw new ArgumentNullException(nameof(d2));
ArgumentNullException.ThrowIfNull(d2 , nameof(d2));
if (d2.Length != 16)
throw new ArgumentException("Disc ID must be a byte array of length 16", nameof(d2));
@@ -545,8 +542,7 @@ namespace LibIRD
{
// Validate .getkey.log file path
if (getKeyLog == null)
throw new ArgumentNullException(nameof(getKeyLog));
ArgumentNullException.ThrowIfNull(getKeyLog, nameof(getKeyLog));
if (!File.Exists(getKeyLog))
throw new FileNotFoundException(nameof(getKeyLog));
@@ -643,20 +639,22 @@ namespace LibIRD
// Redump-style IRDs set the lowest bit of ExtraConfig to 1
ExtraConfig |= 0x01;
// Redump-style IRDs use fields in PS3_DISC.SFB
// Redump-style IRDs use fields from PS3_DISC.SFB
using DiscUtils.Streams.SparseStream s = reader.OpenFile("PS3_DISC.SFB", FileMode.Open, FileAccess.Read);
// Parse PS3_DISC.SFB file
PS3_DiscSFB ps3_DiscSFB = new(s);
bool title_id_found = ps3_DiscSFB.Field.TryGetValue("TITLE_ID", out string title_id);
// If a valid TITLE_ID field is present, remove the hyphen to fit into standard IRD file
if (ps3_DiscSFB.Field.ContainsKey("TITLE_ID") && ps3_DiscSFB.Field["TITLE_ID"].Length == 10 && ps3_DiscSFB.Field["TITLE_ID"][4] == '-')
TitleID = string.Concat(ps3_DiscSFB.Field["TITLE_ID"].AsSpan(0, 4), ps3_DiscSFB.Field["TITLE_ID"].AsSpan(5, 5));
if (title_id_found && title_id.Length == 10 && title_id[4] == '-')
TitleID = string.Concat(title_id.AsSpan(0, 4), title_id.AsSpan(5, 5));
// If the version field is present, this is a multi-game disc
// Redump-style IRDs use the VERSION field from PS3_DISC.SFB instead of VERSION from PARAM.SFO
if (ps3_DiscSFB.Field.ContainsKey("VERSION"))
DiscVersion = ps3_DiscSFB.Field["VERSION"];
bool version_found = ps3_DiscSFB.Field.TryGetValue("VERSION", out string disc_version);
if (version_found)
DiscVersion = disc_version;
}
// Read PS3 Metadata from PARAM.SFO