init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Pkcs/Pkcs8EncryptedPrivateKeyInfo.cs

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+using System;
+using System.IO;
+using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.IO;
+
+namespace Org.BouncyCastle.Pkcs;
+
+public class Pkcs8EncryptedPrivateKeyInfo
+{
+	private EncryptedPrivateKeyInfo encryptedPrivateKeyInfo;
+
+	private static EncryptedPrivateKeyInfo parseBytes(byte[] pkcs8Encoding)
+	{
+		try
+		{
+			return EncryptedPrivateKeyInfo.GetInstance(pkcs8Encoding);
+		}
+		catch (ArgumentException ex)
+		{
+			throw new PkcsIOException("malformed data: " + ex.Message, ex);
+		}
+		catch (Exception ex2)
+		{
+			throw new PkcsIOException("malformed data: " + ex2.Message, ex2);
+		}
+	}
+
+	public Pkcs8EncryptedPrivateKeyInfo(EncryptedPrivateKeyInfo encryptedPrivateKeyInfo)
+	{
+		this.encryptedPrivateKeyInfo = encryptedPrivateKeyInfo;
+	}
+
+	public Pkcs8EncryptedPrivateKeyInfo(byte[] encryptedPrivateKeyInfo)
+		: this(parseBytes(encryptedPrivateKeyInfo))
+	{
+	}
+
+	public EncryptedPrivateKeyInfo ToAsn1Structure()
+	{
+		return encryptedPrivateKeyInfo;
+	}
+
+	public byte[] GetEncryptedData()
+	{
+		return encryptedPrivateKeyInfo.GetEncryptedData();
+	}
+
+	public byte[] GetEncoded()
+	{
+		return encryptedPrivateKeyInfo.GetEncoded();
+	}
+
+	public PrivateKeyInfo DecryptPrivateKeyInfo(IDecryptorBuilderProvider inputDecryptorProvider)
+	{
+		try
+		{
+			ICipherBuilder cipherBuilder = inputDecryptorProvider.CreateDecryptorBuilder(encryptedPrivateKeyInfo.EncryptionAlgorithm);
+			ICipher cipher = cipherBuilder.BuildCipher(new MemoryInputStream(encryptedPrivateKeyInfo.GetEncryptedData()));
+			Stream stream = cipher.Stream;
+			byte[] obj = Streams.ReadAll(cipher.Stream);
+			Platform.Dispose(stream);
+			return PrivateKeyInfo.GetInstance(obj);
+		}
+		catch (Exception ex)
+		{
+			throw new PkcsException("unable to read encrypted data: " + ex.Message, ex);
+		}
+	}
+}