1.01 pre1:

added preferences to switch encryption+kdf and to edit kdf parameters (for AES and Argon2)

src/KeePassLib2Android/Cryptography/Cipher/CipherPool.cs

@@ -46,7 +46,6 @@ namespace KeePassLib.Cryptography.Cipher
 					cp = new CipherPool();
 					cp.AddCipher(new StandardAesEngine());
 					cp.AddCipher(new ChaCha20Engine());
-
 					m_poolGlobal = cp;
 				}
 
@@ -161,5 +160,12 @@ namespace KeePassLib.Cryptography.Cipher
 				return m_vCiphers[nIndex];
 			}
 		}
+
+		public IEnumerable<ICipherEngine> Engines
+		{
+			get {
+				return m_vCiphers;
+			}
+		}
 	}
 }

src/KeePassLib2Android/Cryptography/KeyDerivation/AesKdf.cs

@@ -122,6 +122,7 @@ namespace KeePassLib.Cryptography.KeyDerivation
 				// Try to use the native library first
 				if (NativeLib.TransformKey256(pbNewKey, pbKeySeed32, uNumRounds))
 				{
+					//no need to hash, this is already done in the native library.
 					byte[] pbKey = new byte[32];
 					Array.Copy(pbNewKey, pbKey, pbNewKey.Length);