/// <summary>
/// Initializes a new instance of the <see cref="Crc32"/> class.
/// </summary>
public Crc32()
{
this.table = Crc32.InitializeTable(Crc32.DefaultPolynomial);
this.seed = Crc32.DefaultSeed;
this.hash = this.seed;
}
/// <summary>
/// When overridden in a derived class, finalizes the hash computation after the last data is processed by the cryptographic stream object.
/// </summary>
/// <returns>The computed hash code.</returns>
protected override byte[] HashFinal()
{
byte[] hashBuffer = Crc32.UIntToBigEndianBytes(~this.hash);
this.HashValue = hashBuffer;
return(hashBuffer);
}
/// <summary>
/// Hashes the core.
/// </summary>
/// <param name="array">The buffer.</param>
public uint CalculateHash2(byte[] array)
{
return(Crc32.CalculateHash(this.table, this.hash, array, 0, array.Length));
}
/// <summary>
/// Hashes the core.
/// </summary>
/// <param name="array">The buffer.</param>
/// <param name="start">The start.</param>
/// <param name="length">The length.</param>
protected override void HashCore(byte[] array, int start, int length)
{
this.hash = Crc32.CalculateHash(this.table, this.hash, array, start, length);
}