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Code Issues Releases Activity

HashAlgorithm.ComputerHash isn't thread safe,

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This commit is contained in:
Keivan Beigi 2015-05-11 16:06:31 -07:00
parent 852f97012f
commit cce280d260
1 changed files with 6 additions and 5 deletions
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11
src/NzbDrone.Common/Crypto/HashConverter.cs
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@ -1,6 +1,4 @@
using System; using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography; using System.Security.Cryptography;
using System.Text; using System.Text;
@ -8,12 +6,15 @@ namespace NzbDrone.Common.Crypto
{ {
public static class HashConverter public static class HashConverter
{ {
private static SHA1 HashAlgorithm = SHA1.Create(); private static readonly SHA1 Sha1 = SHA1.Create();
public static int GetHashInt31(string target) public static int GetHashInt31(string target)
{ {
var hash = HashAlgorithm.ComputeHash(Encoding.Default.GetBytes(target)); byte[] hash;
lock (Sha1)
{
hash = Sha1.ComputeHash(Encoding.Default.GetBytes(target));
}
return BitConverter.ToInt32(hash, 0) & 0x7fffffff; return BitConverter.ToInt32(hash, 0) & 0x7fffffff;
} }
} }