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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/cms/CMSPBEKey.cs

@@ -0,0 +1,84 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+//import javax.crypto.interfaces.PBEKey;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Cms
+{
+	public abstract class CmsPbeKey
+		// TODO Create an equivalent interface somewhere?
+		//	: PBEKey
+		: ICipherParameters
+	{
+		internal readonly char[]	password;
+		internal readonly byte[]	salt;
+		internal readonly int		iterationCount;
+
+		public CmsPbeKey(
+			char[]	password,
+			byte[]	salt,
+			int		iterationCount)
+		{
+			this.password = (char[])password.Clone();
+			this.salt = Arrays.Clone(salt);
+			this.iterationCount = iterationCount;
+		}
+
+		public CmsPbeKey(
+			char[]				password,
+			AlgorithmIdentifier keyDerivationAlgorithm)
+		{
+            if (!keyDerivationAlgorithm.Algorithm.Equals(PkcsObjectIdentifiers.IdPbkdf2))
+				throw new ArgumentException("Unsupported key derivation algorithm: "
+                    + keyDerivationAlgorithm.Algorithm);
+
+			Pbkdf2Params kdfParams = Pbkdf2Params.GetInstance(
+				keyDerivationAlgorithm.Parameters.ToAsn1Object());
+
+			this.password = (char[])password.Clone();
+			this.salt = kdfParams.GetSalt();
+			this.iterationCount = kdfParams.IterationCount.IntValue;
+		}
+
+		~CmsPbeKey()
+		{
+			Array.Clear(this.password, 0, this.password.Length);
+		}
+
+		public byte[] Salt
+		{
+			get { return Arrays.Clone(salt); }
+		}
+
+		public int IterationCount
+		{
+			get { return iterationCount; }
+		}
+
+		public string Algorithm
+		{
+			get { return "PKCS5S2"; }
+		}
+
+		public string Format
+		{
+			get { return "RAW"; }
+		}
+
+		public byte[] GetEncoded()
+		{
+			return null;
+		}
+
+		internal abstract KeyParameter GetEncoded(string algorithmOid);
+	}
+}
+#pragma warning restore
+#endif