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Do not modify CRC on return, so several calls for return will return same value.

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Natalia Portillo
2018-01-17 23:36:02 +00:00
parent db4ddcc666
commit 4311ca59d3
3 changed files with 15 additions and 15 deletions
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8
DiscImageChef.Checksums/CRC16Context.cs
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@@ -90,9 +90,8 @@ namespace DiscImageChef.Checksums
/// </summary>
public byte[] Final()
{
hashInt ^= CRC16_SEED;
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
return BigEndianBitConverter.GetBytes(hashInt);
return BigEndianBitConverter.GetBytes(hashInt ^ CRC16_SEED);
}
/// <summary>
@@ -100,12 +99,11 @@ namespace DiscImageChef.Checksums
/// </summary>
public string End()
{
hashInt ^= CRC16_SEED;
StringBuilder crc16Output = new StringBuilder();
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
for(int i = 0; i < BigEndianBitConverter.GetBytes(hashInt).Length; i++)
crc16Output.Append(BigEndianBitConverter.GetBytes(hashInt)[i].ToString("x2"));
for(int i = 0; i < BigEndianBitConverter.GetBytes(hashInt ^ CRC16_SEED).Length; i++)
crc16Output.Append(BigEndianBitConverter.GetBytes(hashInt ^ CRC16_SEED)[i].ToString("x2"));
return crc16Output.ToString();
}