Created
October 15, 2021 05:00
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Static class containing utilities to decrypt strings encrypted with the SLX RW EL
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| /// <summary> | |
| /// Static class containing utilities to decrypt strings encrypted with the SLX RW EL | |
| /// </summary> | |
| public class SlxRwEl | |
| { | |
| /// <summary> | |
| /// Decode the specified data. | |
| /// </summary> | |
| /// <param name="data"></param> | |
| /// <param name="key"></param> | |
| /// <returns></returns> | |
| public static String Decrypt(String data, String key) | |
| { | |
| return InvokeRwMethod<String>("RemoveKey", data, key); | |
| } | |
| /// <summary> | |
| /// Decrypt key-less data (only used for RWPASS) | |
| /// </summary> | |
| /// <param name="data"></param> | |
| /// <returns></returns> | |
| public static String Decrypt(String data) | |
| { | |
| return InvokeRwMethod<String>("Remove", data); | |
| } | |
| /// <summary> | |
| /// Encrypt specified data. | |
| /// </summary> | |
| /// <param name="data"></param> | |
| /// <param name="key"></param> | |
| /// <returns></returns> | |
| public static String Encrypt(String data, String key) | |
| { | |
| return InvokeRwMethod<String>("AddKey", data, key); | |
| } | |
| /// <summary> | |
| /// Invoke late-bound method. | |
| /// TODO: add caching. | |
| /// </summary> | |
| /// <typeparam name="T1"></typeparam> | |
| /// <param name="methodName"></param> | |
| /// <param name="args"></param> | |
| /// <returns></returns> | |
| private static T1 InvokeRwMethod<T1>(string methodName, params object[] args) | |
| { | |
| Type t = Type.GetTypeFromProgID("SLXRWEL.SLXRWEOBJ"); | |
| if (t == null) | |
| throw new InvalidOperationException("SLXRWEL is not available."); | |
| object instance = Activator.CreateInstance(t); | |
| try | |
| { | |
| return (T1)t.InvokeMember(methodName, BindingFlags.InvokeMethod, null, instance, args); | |
| } | |
| finally | |
| { | |
| System.Runtime.InteropServices.Marshal.ReleaseComObject(instance); | |
| } | |
| } | |
| } |
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