Código:
public class Huella
{
/// <summary>
/// Clase que devuelve el hash en mayusculas como nos indica la web
/// </summary>
/// <param name="source">Cadena a encriptar.</param>
/// <returns>Hash de la cadena.</returns>public string creaHuella(string source)
{
string hash = "";
using (SHA256 sha256Hash = SHA256.Create())
{
hash = GetHash(sha256Hash, source);
return hash.ToUpper();
}
}
private static string GetHash(HashAlgorithm hashAlgorithm, string input)
{
// Convert the input string to a byte array and compute the hash.
byte[] data = hashAlgorithm.ComputeHash(Encoding.UTF8.GetBytes(input));
// Create a new Stringbuilder to collect the bytes
// and create a string.
var sBuilder = new StringBuilder();
// Loop through each byte of the hashed data
// and format each one as a hexadecimal string.
for (int i = 0; i < data.Length; i++)
{
sBuilder.Append(data[i].ToString("x2"));
}
// Return the hexadecimal string.
return sBuilder.ToString();
}
// Verify a hash against a string.
private static bool VerifyHash(HashAlgorithm hashAlgorithm, string input, string hash)
{
// Hash the input.
var hashOfInput = GetHash(hashAlgorithm, input);
// Create a StringComparer an compare the hashes.
StringComparer comparer = StringComparer.OrdinalIgnoreCase;
return comparer.Compare(hashOfInput, hash) == 0;
}
}
Me he comido un corchete al eliminar las salidas a consola, reparado.