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

Computing the hash for a file of any size.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    crypt := chilkat.NewCrypt2()

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

    crypt.SetHashAlgorithm("sha1")
    crypt.SetEncodingMode("hex")

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

    hash := crypt.HashFileENC(filename)
    fmt.Println("SHA1:")
    fmt.Println(*hash)

    // Hash using MD2
    crypt.SetHashAlgorithm("md2")
    hash = crypt.HashFileENC(filename)
    fmt.Println("MD2:")
    fmt.Println(*hash)

    // Hash using MD5
    crypt.SetHashAlgorithm("md5")
    hash = crypt.HashFileENC(filename)
    fmt.Println("MD5:")
    fmt.Println(*hash)

    // Hash using SHA-256
    crypt.SetHashAlgorithm("sha256")
    hash = crypt.HashFileENC(filename)
    fmt.Println("SHA256:")
    fmt.Println(*hash)

    // Hash using SHA-384
    crypt.SetHashAlgorithm("sha384")
    hash = crypt.HashFileENC(filename)
    fmt.Println("SHA384:")
    fmt.Println(*hash)

    // Hash using SHA-512
    crypt.SetHashAlgorithm("sha512")
    hash = crypt.HashFileENC(filename)
    fmt.Println("SHA512:")
    fmt.Println(*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.SetHashAlgorithm("haval")
    crypt.SetHavalRounds(5)
    crypt.SetKeyLength(256)
    hash = crypt.HashFileENC(filename)
    fmt.Println("Haval:")
    fmt.Println(*hash)

    crypt.DisposeCrypt2()