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https://github.com/GreemDev/Ryujinx.git
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38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
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using System.IO;
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namespace Ryujinx.HLE.Utilities
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{
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public static class FontUtils
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{
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private static readonly uint FontKey = 0x06186249;
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public static byte[] DecryptFont(Stream BFTTFStream)
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{
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uint KXor(uint In) => In ^ 0x06186249;
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using (BinaryReader Reader = new BinaryReader(BFTTFStream))
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{
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using (MemoryStream TTFStream = new MemoryStream())
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{
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using (BinaryWriter Output = new BinaryWriter(TTFStream))
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{
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if (KXor(Reader.ReadUInt32()) != 0x18029a7f)
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{
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throw new InvalidDataException("Error: Input file is not in BFTTF format!");
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}
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BFTTFStream.Position += 4;
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for (int i = 0; i < (BFTTFStream.Length - 8) / 4; i++)
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{
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Output.Write(KXor(Reader.ReadUInt32()));
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}
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return TTFStream.ToArray();
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}
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}
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}
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}
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}
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}
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