35 lines
966 B
C#
35 lines
966 B
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Security.Cryptography;
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namespace TJAPlayer3
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{
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internal class CCrypto
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{
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internal static readonly char[] chars =
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890".ToCharArray();
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public static string GetUniqueKey(int size)
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{
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byte[] data = new byte[4 * size];
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using (var crypto = RandomNumberGenerator.Create())
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{
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crypto.GetBytes(data);
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}
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StringBuilder result = new StringBuilder(size);
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for (int i = 0; i < size; i++)
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{
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var rnd = BitConverter.ToUInt32(data, i * 4);
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var idx = rnd % chars.Length;
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result.Append(chars[idx]);
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}
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return result.ToString();
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}
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}
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}
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