public void GlobalSetup()
{
var path = Path.GetDirectoryName(typeof(StringHash).GetTypeInfo().Assembly.Location);
path = Path.Combine(path, "Files", "JEOPARDY_CSV.csv");
List <byte[]> list = new();
using var reader = new StreamReader(path);
using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);
csv.Read();
csv.ReadHeader();
StringBuilder stringBuilder = new StringBuilder();
while (csv.Read())
{
var str = csv.GetField <string>(6);
stringBuilder.Append(" " + str);
list.Add(Encoding.UTF8.GetBytes(str));
}
_sentences = list.ToArray();
_longText = Encoding.UTF8.GetBytes(stringBuilder.ToString());
list.Clear();
path = Path.GetDirectoryName(typeof(StringHash).GetTypeInfo().Assembly.Location);
using var streamReader = new StreamReader(new FileStream(Path.Combine(path, "Files", "words.txt"), FileMode.Open));
while (!streamReader.EndOfStream)
{
list.Add(Encoding.UTF8.GetBytes(streamReader.ReadLine() ?? ""));
}
_words = list.ToArray();
_sha1 = System.Data.HashFunction.HashAlgorithm.HashAlgorithmWrapperFactory.Instance.Create(
new HashAlgorithmWrapperConfig()
{
InstanceFactory = SHA1.Create
});
_md5 = System.Data.HashFunction.HashAlgorithm.HashAlgorithmWrapperFactory.Instance.Create(
new HashAlgorithmWrapperConfig()
{
InstanceFactory = MD5.Create
});
_sha512 = System.Data.HashFunction.HashAlgorithm.HashAlgorithmWrapperFactory.Instance.Create(
new HashAlgorithmWrapperConfig()
{
InstanceFactory = SHA512.Create
});
_blake2 = System.Data.HashFunction.Blake2.Blake2BFactory.Instance.Create();
_city = System.Data.HashFunction.CityHash.CityHashFactory.Instance.Create();
_fnv1 = System.Data.HashFunction.FNV.FNV1Factory.Instance.Create();
_fnv1A = System.Data.HashFunction.FNV.FNV1aFactory.Instance.Create();
_jenkins3 = System.Data.HashFunction.Jenkins.JenkinsLookup3Factory.Instance.Create();
_murmur3 = System.Data.HashFunction.MurmurHash.MurmurHash3Factory.Instance.Create();
_pearson = System.Data.HashFunction.Pearson.PearsonFactory.Instance.Create();
_xxHash = System.Data.HashFunction.xxHash.xxHashFactory.Instance.Create();
}
/// <summary>
/// return hash
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] CalculateHash(byte[] data)
{
Blake2BConfig config = new Blake2BConfig();
config.HashSizeInBits = 256;
IBlake2B blake2B = Blake2BFactory.Instance.Create(config);
return(blake2B.ComputeHash(data).Hash);
}
/// <summary>
/// use UTF8 encode data and calculate hash
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] CalculateHash(string data)
{
Blake2BConfig config = new Blake2BConfig();
config.HashSizeInBits = 256;
IBlake2B blake2B = Blake2BFactory.Instance.Create(config);
byte[] bytes = Encoding.UTF8.GetBytes(data);
return(blake2B.ComputeHash(bytes).Hash);
}
/**************************************************************************/
static Macroscope()
{
SuppressStaticDebugMsg = true;
BlakeHasher = Blake2BFactory.Instance.Create();
ShaHasher = HashAlgorithm.Create("SHA256");
}