public static byte[] Compress(byte[] buffer)
{
using (MemoryStream ms = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(ms))
{
uint checkSum = 0;
using (Crc crc = new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)))
{
checkSum = BitConverter.ToUInt32(crc.ComputeHash(buffer), 0);
}
byte[] compressed = DeflateBuffer(buffer);
Int32 poslocal = WriteHeader(writer, LocalFileHeader);
WriteLocalFile(writer, "z", checkSum, ( UInt32 )buffer.Length, compressed);
Int32 posCDR = WriteHeader(writer, CentralDirectoryHeader);
UInt32 CDRSize = WriteCentralDirectory(writer, "z", checkSum, ( UInt32 )compressed.Length, ( UInt32 )buffer.Length, poslocal);
Int32 posEOD = WriteHeader(writer, EndOfDirectoryHeader);
WriteEndOfDirectory(writer, 1, CDRSize, posCDR);
return(ms.ToArray());
}
}
public void Constructor4Test()
{
HashChain chain = new HashChain(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), TestVectors.Battery.NumericRepeated, 0, 10, 5);
for (int i = 0; i < NumericCrc32VectorChain.Length; i++)
{
CustomAssert.AreEqual(NumericCrc32VectorChain[i], chain[i]);
}
}
public static byte[] CRCHash(byte[] input)
{
using (Crc crc = new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)))
{
byte[] hash = crc.ComputeHash(input);
Array.Reverse(hash);
return(hash);
}
}
public void Enumerator1Test()
{
HashChain chain = new HashChain(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), TestVectors.Battery.Numeric);
int i = 0;
foreach (byte[] hash in chain)
{
CustomAssert.AreEqual(NumericCrc32VectorChain[i], hash);
i++;
}
}
public void Enumerator3Test()
{
HashChain chain = new HashChain(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), TestVectors.Battery.Numeric);
IEnumerator e = ((IEnumerable)chain).GetEnumerator();
int i = 0;
while (e.MoveNext())
{
CustomAssert.AreEqual(NumericCrc32VectorChain[i], (byte[])e.Current);
i++;
}
}
public void Constructor2Test()
{
HashList list = new HashList(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), 10);
CustomAssert.AreEqual(AlphanumericCrc32TopHash, list.ComputeHash(TestVectors.Battery.Alphanumeric));
for (int i = 0; i < AlphanumericCrc32VectorList.Length; i++)
{
CustomAssert.AreEqual(AlphanumericCrc32VectorList[i], list[i].Hash);
}
Assert.AreEqual(10, list.BlockSize);
}
public void Enumerator1Test()
{
HashList list = new HashList(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), 10);
list.ComputeHash(TestVectors.Battery.Alphanumeric);
int i = 0;
foreach (HashNode node in list)
{
CustomAssert.AreEqual(AlphanumericCrc32VectorList[i], node.Hash);
i++;
}
}
public void Enumerator3Test()
{
HashList list = new HashList(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), 10);
list.ComputeHash(TestVectors.Battery.Alphanumeric);
IEnumerator e = ((IEnumerable)list).GetEnumerator();
int i = 0;
while (e.MoveNext())
{
CustomAssert.AreEqual(AlphanumericCrc32VectorList[i], ((HashNode)e.Current).Hash);
i++;
}
}
private IList <CrcParameters> LoadParameters(string path)
{
var parameters = new List <CrcParameters>();
var lines = File.ReadAllLines(path);
var regex = new Regex(@"width=([^ ]+) poly=([^ ]+) init=([^ ]+) refin=([^ ]+) refout=([^ ]+) xorout=([^ ]+) check=([^ ]+) residue=([^ ]+) name=""(.+)""", RegexOptions.Compiled);
foreach (var line in lines)
{
var correctedLine = line.Replace("0x", "");
var match = regex.Match(correctedLine);
var size = byte.Parse(match.Groups[1].Value);
var poly = ulong.Parse(match.Groups[2].Value, NumberStyles.HexNumber);
var init = ulong.Parse(match.Groups[3].Value, NumberStyles.HexNumber);
var refin = bool.Parse(match.Groups[4].Value);
var refout = bool.Parse(match.Groups[5].Value);
var xorout = ulong.Parse(match.Groups[6].Value, NumberStyles.HexNumber);
var check = ulong.Parse(match.Groups[7].Value, NumberStyles.HexNumber);
var parameter = new CrcParameters(size, poly, init, xorout, refin, refout, check);
parameters.Add(parameter);
}
return(parameters);
}
public void CrcParameterAliasesTest(CrcStandard alias, CrcStandard master)
{
Assert.AreEqual(CrcParameters.GetParameters(master), CrcParameters.GetParameters(alias));
}
static System.Security.Cryptography.HashAlgorithm GetHashAlgorithm(Type type)
{
switch (type)
{
case Type.Adler32: return(new Adler32());
case Type.APHash: return(new APHash());
case Type.BkdrHash: return(new BkdrHash());
case Type.Cksum: return(new Cksum());
case Type.Crc_8Bit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc8Bit)));
case Type.Crc_8BitIcode: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc8BitIcode)));
case Type.Crc_8BitItu: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc8BitItu)));
case Type.Crc_8BitMaxim: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc8BitMaxim)));
case Type.Crc_8BitWcdma: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc8BitWcdma)));
case Type.Crc_16Bit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16Bit)));
case Type.Crc_16BitCcitt: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitCcitt)));
case Type.Crc_16BitKermit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitKermit)));
case Type.Crc_16BitMaxim: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitMaxim)));
case Type.Crc_16BitUsb: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitUsb)));
case Type.Crc_16BitArc: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitArc)));
case Type.Crc_16BitIbm: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitIbm)));
case Type.Crc_16BitLha: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitLha)));
case Type.Crc_16BitCcittFalse: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitCcittFalse)));
case Type.Crc_16BitX25: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitX25)));
case Type.Crc_16BitXkermit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitXkermit)));
case Type.Crc_16BitXmodem: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitXmodem)));
case Type.Crc_16BitZmodem: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc16BitZmodem)));
case Type.Crc_24Bit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc24Bit)));
case Type.Crc_24BitOpenPgp: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc24BitOpenPgp)));
case Type.Crc_32Bit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)));
case Type.Crc_32BitBzip2: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitBzip2)));
case Type.Crc_32BitPkzip: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitPkzip)));
case Type.Crc_32BitIscsi: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitIscsi)));
case Type.Crc_32BitItu: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitItu)));
case Type.Crc_32BitJam: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitJam)));
case Type.Crc_32BitMpeg2: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitMpeg2)));
case Type.Crc_32BitPosix: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitPosix)));
case Type.Crc_32BitCksum: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32BitCksum)));
case Type.Crc_64Bit: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc64Bit)));
case Type.Crc_64BitWE: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc64BitWE)));
case Type.Crc_64BitIso: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc64BitIso)));
case Type.Crc_64BitJones: return(new Crc(CrcParameters.GetParameters(CrcStandard.Crc64BitJones)));
case Type.Dha256: return(new Dha256());
case Type.DjbHash: return(new DjbHash());
case Type.ElfHash: return(new ElfHash());
case Type.Fcs16: return(new Fcs16());
case Type.Fcs32: return(new Fcs32());
case Type.Fletcher_8: return(new Fletcher(FletcherParameters.GetParameters(FletcherStandard.Fletcher8Bit)));
case Type.Fletcher_16: return(new Fletcher(FletcherParameters.GetParameters(FletcherStandard.Fletcher16Bit)));
case Type.Fletcher_32: return(new Fletcher(FletcherParameters.GetParameters(FletcherStandard.Fletcher32Bit)));
case Type.FNV_32_0: return(new Fnv(FnvParameters.GetParameters(FnvStandard.Fnv32BitType0)));
case Type.FNV_32_1: return(new Fnv(FnvParameters.GetParameters(FnvStandard.Fnv32BitType1)));
case Type.FNV_32_1a: return(new Fnv(FnvParameters.GetParameters(FnvStandard.Fnv32BitType1A)));
case Type.FNV_64_0: return(new Fnv(FnvParameters.GetParameters(FnvStandard.Fnv64BitType0)));
case Type.FNV_64_1: return(new Fnv(FnvParameters.GetParameters(FnvStandard.Fnv64BitType1)));
case Type.FNV_64_1a: return(new Fnv(FnvParameters.GetParameters(FnvStandard.Fnv64BitType1A)));
case Type.GHash3: return(new GHash(GHashParameters.GetParameters(GHashStandard.GHash3)));
case Type.GHash5: return(new GHash(GHashParameters.GetParameters(GHashStandard.GHash5)));
case Type.GOST: return(new GostHash());
case Type.HAS160: return(new Has160());
case Type.HAVAL_3_128: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval128Bit3Pass)));
case Type.HAVAL_4_128: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval128Bit4Pass)));
case Type.HAVAL_5_128: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval128Bit5Pass)));
case Type.HAVAL_3_160: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval160Bit3Pass)));
case Type.HAVAL_4_160: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval160Bit4Pass)));
case Type.HAVAL_5_160: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval160Bit5Pass)));
case Type.HAVAL_3_192: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval192Bit3Pass)));
case Type.HAVAL_4_192: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval192Bit4Pass)));
case Type.HAVAL_5_192: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval192Bit5Pass)));
case Type.HAVAL_3_224: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval224Bit3Pass)));
case Type.HAVAL_4_224: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval224Bit4Pass)));
case Type.HAVAL_5_224: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval224Bit5Pass)));
case Type.HAVAL_3_256: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval256Bit3Pass)));
case Type.HAVAL_4_256: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval256Bit4Pass)));
case Type.HAVAL_5_256: return(new Haval(HavalParameters.GetParameters(HavalStandard.Haval256Bit5Pass)));
case Type.JenkinsHash: return(new JenkinsHash());
case Type.JSHash: return(new JSHash());
case Type.MD2: return(new MD2());
case Type.MD4: return(new MD4());
case Type.MD5: return(new MD5());
case Type.Panama: return(new Panama());
case Type.Pjw32: return(new Pjw32());
case Type.RIPEMD128: return(new RipeMD128());
case Type.RIPEMD160: return(new RipeMD160());
case Type.RIPEMD256: return(new RipeMD256());
case Type.RIPEMD320: return(new RipeMD320());
case Type.RSHash: return(new RSHash());
case Type.SdbmHash: return(new SdbmHash());
case Type.SHA0: return(new Sha0());
case Type.SHA1: return(new Sha1());
case Type.SHA224: return(new Sha224());
case Type.SHA256: return(new Sha256());
case Type.SHA384: return(new Sha384());
case Type.SHA512: return(new Sha512());
case Type.Snefru_4_128: return(new Snefru2(Snefru2Parameters.GetParameters(Snefru2Standard.Snefru128Bit4Pass)));
case Type.Snefru_4_256: return(new Snefru2(Snefru2Parameters.GetParameters(Snefru2Standard.Snefru256Bit4Pass)));
case Type.Snefru_8_128: return(new Snefru2(Snefru2Parameters.GetParameters(Snefru2Standard.Snefru128Bit8Pass)));
case Type.Snefru_8_256: return(new Snefru2(Snefru2Parameters.GetParameters(Snefru2Standard.Snefru256Bit8Pass)));
case Type.Sum_8: return(new Sum(SumParameters.GetParameters(SumStandard.Sum8Bit)));
case Type.Sum_16: return(new Sum(SumParameters.GetParameters(SumStandard.Sum16Bit)));
case Type.Sum_24: return(new Sum(SumParameters.GetParameters(SumStandard.Sum24Bit)));
case Type.Sum_32: return(new Sum(SumParameters.GetParameters(SumStandard.Sum32Bit)));
case Type.Sum_64: return(new Sum(SumParameters.GetParameters(SumStandard.Sum64Bit)));
case Type.SumBsd: return(new SumBsd());
case Type.SumSysV: return(new SumSysV());
case Type.Tiger_3_128: return(new Tiger(TigerParameters.GetParameters(TigerStandard.Tiger128BitVersion1)));
case Type.Tiger_3_160: return(new Tiger(TigerParameters.GetParameters(TigerStandard.Tiger160BitVersion1)));
case Type.Tiger_3_192: return(new Tiger(TigerParameters.GetParameters(TigerStandard.Tiger192BitVersion1)));
case Type.Tiger2_128: return(new Tiger(TigerParameters.GetParameters(TigerStandard.Tiger128BitVersion2)));
case Type.Tiger2_160: return(new Tiger(TigerParameters.GetParameters(TigerStandard.Tiger160BitVersion2)));
case Type.Tiger2_192: return(new Tiger(TigerParameters.GetParameters(TigerStandard.Tiger192BitVersion2)));
case Type.Whirlpool: return(new Whirlpool());
case Type.Xum32: return(new Xum32());
case Type.Xor8: return(new Xor8());
default: throw new NotImplementedException();
}
}
public static SimpleCrcInputStream <T> Wrap <T>(this CrcParameters <T> parameters, IAsyncSimpleInputStream <byte> @base, bool leaveBaseUndisposed = false)
{
return(new SimpleCrcInputStream <T>(@base, parameters, leaveBaseUndisposed));
}
public void ConstructorBadInitTest()
{
HashChain chain = new HashChain(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), TestVectors.Battery.Numeric, 0);
}
public SimpleCrcInputStream(IAsyncSimpleInputStream <byte> @base, CrcParameters <T> crcParameters, bool leaveBaseUndisposed = false) :
this(@base, crcParameters.CreateCalculator(), leaveBaseUndisposed)
{
}
protected bool Equals(CrcParameters other)
{
return(Size == other.Size && Polynomial == other.Polynomial && InitialValue == other.InitialValue && FinalXorValue == other.FinalXorValue && ReflectInput == other.ReflectInput && ReflectOutput == other.ReflectOutput && ExpectedCheck == other.ExpectedCheck);
}
public void EqualsNullTest()
{
Assert.IsFalse(CrcParameters.GetParameters(CrcStandard.Crc32Bit).Equals(null));
}
public void CrcOrderTest(int order)
{
CrcParameters param = new CrcParameters(order, 1, 1, 1, true);
}
public void BadIndexTest()
{
HashChain chain = new HashChain(new Crc(CrcParameters.GetParameters(CrcStandard.Crc32Bit)), TestVectors.Battery.Numeric);
byte[] test = chain[-1];
}