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HashAlgorithm.ComputerHash isn't thread safe,
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@ -1,6 +1,4 @@
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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.Security.Cryptography;
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using System.Text;
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@ -8,12 +6,15 @@ namespace NzbDrone.Common.Crypto
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{
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public static class HashConverter
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{
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private static SHA1 HashAlgorithm = SHA1.Create();
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private static readonly SHA1 Sha1 = SHA1.Create();
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public static int GetHashInt31(string target)
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{
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var hash = HashAlgorithm.ComputeHash(Encoding.Default.GetBytes(target));
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byte[] hash;
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lock (Sha1)
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{
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hash = Sha1.ComputeHash(Encoding.Default.GetBytes(target));
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}
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return BitConverter.ToInt32(hash, 0) & 0x7fffffff;
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}
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}
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