'Rfc2898DeriveBytes.Rfc2898DeriveBytes(byte[], byte[], int)' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(byte[], byte[], int)' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

Non-nullable property 'Client' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

'Application.MainPage.set' is obsolete: 'This property is deprecated. Initialize your application by overriding Application.CreateWindow rather than setting MainPage. To modify the root page in an active application, use Windows[0].Page for applications with a single window. For applications with multiple windows, use Application.Windows to identify and update the root page on the correct window. Additionally, each element features a Window property, accessible when it's part of the current window.'

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(byte[], byte[], int)' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

Non-nullable property 'Client' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

'Application.MainPage.set' is obsolete: 'This property is deprecated. Initialize your application by overriding Application.CreateWindow rather than setting MainPage. To modify the root page in an active application, use Windows[0].Page for applications with a single window. For applications with multiple windows, use Application.Windows to identify and update the root page on the correct window. Additionally, each element features a Window property, accessible when it's part of the current window.'

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Non-nullable property 'Client' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

'Application.MainPage.set' is obsolete: 'This property is deprecated. Initialize your application by overriding Application.CreateWindow rather than setting MainPage. To modify the root page in an active application, use Windows[0].Page for applications with a single window. For applications with multiple windows, use Application.Windows to identify and update the root page on the correct window. Additionally, each element features a Window property, accessible when it's part of the current window.'

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(byte[], byte[], int)' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(byte[], byte[], int)' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(byte[], byte[], int)' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)