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

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+using System;
+using System.Text;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Crypto;
+
+public abstract class PbeParametersGenerator
+{
+	protected byte[] mPassword;
+
+	protected byte[] mSalt;
+
+	protected int mIterationCount;
+
+	public virtual byte[] Password => Arrays.Clone(mPassword);
+
+	public virtual byte[] Salt => Arrays.Clone(mSalt);
+
+	public virtual int IterationCount => mIterationCount;
+
+	public virtual void Init(byte[] password, byte[] salt, int iterationCount)
+	{
+		if (password == null)
+		{
+			throw new ArgumentNullException("password");
+		}
+		if (salt == null)
+		{
+			throw new ArgumentNullException("salt");
+		}
+		mPassword = Arrays.Clone(password);
+		mSalt = Arrays.Clone(salt);
+		mIterationCount = iterationCount;
+	}
+
+	[Obsolete("Use 'Password' property")]
+	public byte[] GetPassword()
+	{
+		return Password;
+	}
+
+	[Obsolete("Use 'Salt' property")]
+	public byte[] GetSalt()
+	{
+		return Salt;
+	}
+
+	[Obsolete("Use version with 'algorithm' parameter")]
+	public abstract ICipherParameters GenerateDerivedParameters(int keySize);
+
+	public abstract ICipherParameters GenerateDerivedParameters(string algorithm, int keySize);
+
+	[Obsolete("Use version with 'algorithm' parameter")]
+	public abstract ICipherParameters GenerateDerivedParameters(int keySize, int ivSize);
+
+	public abstract ICipherParameters GenerateDerivedParameters(string algorithm, int keySize, int ivSize);
+
+	public abstract ICipherParameters GenerateDerivedMacParameters(int keySize);
+
+	public static byte[] Pkcs5PasswordToBytes(char[] password)
+	{
+		if (password == null)
+		{
+			return new byte[0];
+		}
+		return Strings.ToByteArray(password);
+	}
+
+	[Obsolete("Use version taking 'char[]' instead")]
+	public static byte[] Pkcs5PasswordToBytes(string password)
+	{
+		if (password == null)
+		{
+			return new byte[0];
+		}
+		return Strings.ToByteArray(password);
+	}
+
+	public static byte[] Pkcs5PasswordToUtf8Bytes(char[] password)
+	{
+		if (password == null)
+		{
+			return new byte[0];
+		}
+		return Encoding.UTF8.GetBytes(password);
+	}
+
+	[Obsolete("Use version taking 'char[]' instead")]
+	public static byte[] Pkcs5PasswordToUtf8Bytes(string password)
+	{
+		if (password == null)
+		{
+			return new byte[0];
+		}
+		return Encoding.UTF8.GetBytes(password);
+	}
+
+	public static byte[] Pkcs12PasswordToBytes(char[] password)
+	{
+		return Pkcs12PasswordToBytes(password, wrongPkcs12Zero: false);
+	}
+
+	public static byte[] Pkcs12PasswordToBytes(char[] password, bool wrongPkcs12Zero)
+	{
+		if (password == null || password.Length < 1)
+		{
+			return new byte[wrongPkcs12Zero ? 2 : 0];
+		}
+		byte[] array = new byte[(password.Length + 1) * 2];
+		Encoding.BigEndianUnicode.GetBytes(password, 0, password.Length, array, 0);
+		return array;
+	}
+}