FuseTry-Archive/RamDavisk/WebDAVSharp.Server/Utilities/Md5Util.cs

using System.Linq;
using System.Security.Cryptography;
using System.Text;

namespace WebDAVSharp.Server.Utilities
{
    /// <summary>
    ///     For generating an MD5 hash
    /// </summary>
    /// <remarks>
    ///     Source: <see href="https://gist.github.com/kristopherjohnson/3021045" />
    /// </remarks>
    internal static class Md5Util
    {
        /// <summary>
        ///     Compute hash for string encoded as UTF8
        /// </summary>
        /// <param name="s">String to be hashed</param>
        /// <returns>32-character hex string</returns>
        public static string Md5HashStringForUtf8String(string s)
        {
            byte[] bytes = Encoding.UTF8.GetBytes(s);

            MD5 md5 = MD5.Create();
            byte[] hashBytes = md5.ComputeHash(bytes);

            return HexStringFromBytes(hashBytes);
        }

        /// <summary>
        ///     Convert an array of bytes to a string of hex digits
        /// </summary>
        /// <param name="bytes">Array of bytes</param>
        /// <returns>
        ///     String of hex digits
        /// </returns>
        public static string HexStringFromBytes(byte[] bytes)
        {
            StringBuilder sb = new StringBuilder(1000);
            foreach (string hex in bytes.Select(b => b.ToString("x2")))
                sb.Append(hex);
            return sb.ToString();
        }
    }
}