Xojo Plugin

Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

See more Encryption Examples

Computing the hash for a file of any size. Xojo Plugin

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Dim crypt As New Chilkat.Crypt2

// Any type of file may be hashed.
// There is  no size limitation because the file is consumed
// in streaming mode internally.
Dim filename As String
filename = "something.zip"

crypt.HashAlgorithm = "sha1"
crypt.EncodingMode = "hex"

// Other possible EncodingMode settings are: 
// "quoted-printable", "base64", "base32", and "url"

Dim hash As String
hash = crypt.HashFileENC(filename)
System.DebugLog("SHA1:")
System.DebugLog(hash)

// Hash using MD2
crypt.HashAlgorithm = "md2"
hash = crypt.HashFileENC(filename)
System.DebugLog("MD2:")
System.DebugLog(hash)

// Hash using MD5
crypt.HashAlgorithm = "md5"
hash = crypt.HashFileENC(filename)
System.DebugLog("MD5:")
System.DebugLog(hash)

// Hash using SHA-256
crypt.HashAlgorithm = "sha256"
hash = crypt.HashFileENC(filename)
System.DebugLog("SHA256:")
System.DebugLog(hash)

// Hash using SHA-384
crypt.HashAlgorithm = "sha384"
hash = crypt.HashFileENC(filename)
System.DebugLog("SHA384:")
System.DebugLog(hash)

// Hash using SHA-512
crypt.HashAlgorithm = "sha512"
hash = crypt.HashFileENC(filename)
System.DebugLog("SHA512:")
System.DebugLog(hash)

// Hash using HAVAL
// There are two additional properties relevant to HAVAL:
// HavalRounds, and KeyLength.
// HavalRounds can have values of 3, 4, or 5.
// KeyLength can have values of 128, 160, 192, 224, or 256
crypt.HashAlgorithm = "haval"
crypt.HavalRounds = 5
crypt.KeyLength = 256
hash = crypt.HashFileENC(filename)
System.DebugLog("Haval:")
System.DebugLog(hash)