System.Web.Configuration.MachineKeySection.SetDecryptionKey C# (CSharp) Method

		void SetDecryptionKey (string key)
		{
			if ((key == null) || key.StartsWith ("AutoGenerate")) {
				decryption_key = AutoGenerate (MachineKeyRegistryStorage.KeyType.Encryption);
			} else {
				try {
					decryption_key = MachineKeySectionUtils.GetBytes (key, key.Length);
					DecryptionTemplate.Key = decryption_key;
				}
				catch {
					decryption_key = null;
					throw new ArgumentException ("Invalid key length");
				}
			}
		}