net9.0 
namespace System.Security.Cryptography
{
    public class Rfc2898DeriveBytes : DeriveBytes
    {
        [Obsolete("Rfc2898DeriveBytes.CryptDeriveKey is obsolete and is not supported. Use PasswordDeriveBytes.CryptDeriveKey instead.", DiagnosticId = "SYSLIB0033", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
        public byte[]! CryptDeriveKey(string! algname, string! alghashname, int keySize, byte[]! rgbIV);
    }
}
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Reference this API
.NET 5.06.07.08.09.0
.NET Core 2.02.12.23.03.1
.NET Framework 4.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard 2.02.1
Information specific to net9.0
Assembly

System.Security.Cryptography , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Obsolete SYSLIB0033: Rfc2898DeriveBytes.CryptDeriveKey is obsolete and is not supported. Use PasswordDeriveBytes.CryptDeriveKey instead.
Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API