/// <summary>
/// Calculates SHA-512 hash value for the given bytes array.
/// </summary>
/// <param name="data">Data bytes array</param>
/// <param name="index">Offset of byte sequence</param>
/// <param name="length">Sequence length</param>
/// <returns>Hash bytes</returns>
public static byte[] Hash(byte[] data, int index, int length)
{
Contract.Requires <ArgumentNullException>(data != null);
Contract.Requires <ArgumentOutOfRangeException>(index >= 0 && length >= 0);
Contract.Requires <ArgumentException>((index + length) <= data.Length);
var hasher = new Sha512();
hasher.Update(data, index, length);
return(hasher.Finalize());
}
/// <summary>
/// Calculates SHA-512 hash value for the given bytes array.
/// </summary>
/// <param name="data">Data bytes array</param>
/// <param name="index">Offset of byte sequence</param>
/// <param name="length">Sequence length</param>
/// <returns>Hash bytes</returns>
public static byte[] Hash(byte[] data, int index, int length)
{
Contract.Requires<ArgumentNullException>(data != null);
Contract.Requires<ArgumentOutOfRangeException>(index >= 0 && length >= 0);
Contract.Requires<ArgumentException>((index + length) <= data.Length);
var hasher = new Sha512();
hasher.Update(data, index, length);
return hasher.Finalize();
}
