wasSharp
| /Cryptography/Extensions.cs |
|---|
| @@ -0,0 +1,50 @@ |
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
| // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| using System; |
| using System.Text; |
| using System.Threading.Tasks; |
| namespace wasSharp |
| { |
| public static class Extensions |
| { |
| /// <summary> |
| /// Combine two UUIDs together by taking the MD5 hash of a byte array |
| /// containing both UUIDs |
| /// </summary> |
| /// <param name="first">First UUID to combine</param> |
| /// <param name="second">Second UUID to combine</param> |
| /// <returns>The UUID product of the combination</returns> |
| public static Guid CombineXOR(this Guid p, Guid q) |
| { |
| var l = p.ToByteArray(); |
| var r = q.ToByteArray(); |
| byte[] combine = new byte[16]; |
| Parallel.For(0, 16, i => |
| { |
| combine[i] = (byte)(l[i] ^ r[i]); |
| }); |
| return new Guid(combine); |
| } |
| /// <summary> |
| /// Converts a byte array to a hexadecimal string. |
| /// </summary> |
| /// <param name="bytes"></param> |
| /// <returns></returns> |
| public static string ToHexString(this byte[] bytes) |
| { |
| StringBuilder str = new StringBuilder(); |
| for (int i = 0; i < bytes.Length; i++) |
| str.AppendFormat("{0:X2}", bytes[i]); |
| return str.ToString(); |
| } |
| } |
| } |