From a963ef44d61869226f637e27e5d2d269bd66697a Mon Sep 17 00:00:00 2001 From: Natalia Portillo Date: Mon, 2 Feb 2015 16:43:01 +0000 Subject: [PATCH] Corrected Fletcher code --- SharpHash/Checksums/FletcherContext.cs | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/SharpHash/Checksums/FletcherContext.cs b/SharpHash/Checksums/FletcherContext.cs index 17094b1..7181a75 100644 --- a/SharpHash/Checksums/FletcherContext.cs +++ b/SharpHash/Checksums/FletcherContext.cs @@ -178,7 +178,7 @@ namespace SharpHash.Checksums for (int i = 0; i < fileStream.Length; i+=2) { blockBytes = new byte[2]; - fileStream.Read(blockBytes, i, 2); + fileStream.Read(blockBytes, 0, 2); block = BigEndianBitConverter.ToUInt16(blockBytes, 0); localSum1 = (UInt16)((localSum1 + block) % 0xFFFF); localSum2 = (UInt16)((localSum2 + localSum1) % 0xFFFF); @@ -189,16 +189,14 @@ namespace SharpHash.Checksums for (int i = 0; i < fileStream.Length-1; i+=2) { blockBytes = new byte[2]; - fileStream.Read(blockBytes, i, 2); + fileStream.Read(blockBytes, 0, 2); block = BigEndianBitConverter.ToUInt16(blockBytes, 0); localSum1 = (UInt16)((localSum1 + block) % 0xFFFF); localSum2 = (UInt16)((localSum2 + localSum1) % 0xFFFF); } byte[] oddData = new byte[2]; - blockBytes = new byte[1]; - fileStream.Read(blockBytes, (int)(fileStream.Length-2), 1); - oddData[0] = blockBytes[0]; + oddData[0] = (byte)fileStream.ReadByte(); oddData[1] = 0; block = BigEndianBitConverter.ToUInt16(oddData, 0);