init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/BufferedCipherBase.cs

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+namespace Org.BouncyCastle.Crypto;
+
+public abstract class BufferedCipherBase : IBufferedCipher
+{
+	protected static readonly byte[] EmptyBuffer = new byte[0];
+
+	public abstract string AlgorithmName { get; }
+
+	public abstract void Init(bool forEncryption, ICipherParameters parameters);
+
+	public abstract int GetBlockSize();
+
+	public abstract int GetOutputSize(int inputLen);
+
+	public abstract int GetUpdateOutputSize(int inputLen);
+
+	public abstract byte[] ProcessByte(byte input);
+
+	public virtual int ProcessByte(byte input, byte[] output, int outOff)
+	{
+		byte[] array = ProcessByte(input);
+		if (array == null)
+		{
+			return 0;
+		}
+		if (outOff + array.Length > output.Length)
+		{
+			throw new DataLengthException("output buffer too short");
+		}
+		array.CopyTo(output, outOff);
+		return array.Length;
+	}
+
+	public virtual byte[] ProcessBytes(byte[] input)
+	{
+		return ProcessBytes(input, 0, input.Length);
+	}
+
+	public abstract byte[] ProcessBytes(byte[] input, int inOff, int length);
+
+	public virtual int ProcessBytes(byte[] input, byte[] output, int outOff)
+	{
+		return ProcessBytes(input, 0, input.Length, output, outOff);
+	}
+
+	public virtual int ProcessBytes(byte[] input, int inOff, int length, byte[] output, int outOff)
+	{
+		byte[] array = ProcessBytes(input, inOff, length);
+		if (array == null)
+		{
+			return 0;
+		}
+		if (outOff + array.Length > output.Length)
+		{
+			throw new DataLengthException("output buffer too short");
+		}
+		array.CopyTo(output, outOff);
+		return array.Length;
+	}
+
+	public abstract byte[] DoFinal();
+
+	public virtual byte[] DoFinal(byte[] input)
+	{
+		return DoFinal(input, 0, input.Length);
+	}
+
+	public abstract byte[] DoFinal(byte[] input, int inOff, int length);
+
+	public virtual int DoFinal(byte[] output, int outOff)
+	{
+		byte[] array = DoFinal();
+		if (outOff + array.Length > output.Length)
+		{
+			throw new DataLengthException("output buffer too short");
+		}
+		array.CopyTo(output, outOff);
+		return array.Length;
+	}
+
+	public virtual int DoFinal(byte[] input, byte[] output, int outOff)
+	{
+		return DoFinal(input, 0, input.Length, output, outOff);
+	}
+
+	public virtual int DoFinal(byte[] input, int inOff, int length, byte[] output, int outOff)
+	{
+		int num = ProcessBytes(input, inOff, length, output, outOff);
+		return num + DoFinal(output, outOff + num);
+	}
+
+	public abstract void Reset();
+}