Calculo del hash en .net:
Cita:
Imports System.Security.Cryptography
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Dim cadena As String = "Hola, mundo!"
' Convertir la cadena en bytes
Dim cadenaBytes As Byte() = Encoding.UTF8.GetBytes(cadena)
' Crear el objeto SHA256
Dim sha256 As New SHA256Managed()
' Calcular el hash SHA-256
Dim hashBytes As Byte() = sha256.ComputeHash(cadenaBytes)
' Convertir el hash a una cadena hexadecimal
Dim hashString As String = BitConverter.ToString(hashBytes).Replace("-", "")
' Mostrar el hash
' Console.WriteLine("Hash SHA-256 de '" & cadena & "': " & hashString)
MsgBox("Hash SHA-256 de '" & cadena & "': " & hashString)
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