(Swift 3,4,5...) Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

Computing the hash for a file of any size.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let crypt = CkoCrypt2()!

    // 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.hashAlgorithm = "sha1"
    crypt.encodingMode = "hex"

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

    var hash: String? = crypt.hashFileENC(filename)
    print("SHA1:")
    print("\(hash!)")

    // Hash using MD2
    crypt.hashAlgorithm = "md2"
    hash = crypt.hashFileENC(filename)
    print("MD2:")
    print("\(hash!)")

    // Hash using MD5
    crypt.hashAlgorithm = "md5"
    hash = crypt.hashFileENC(filename)
    print("MD5:")
    print("\(hash!)")

    // Hash using SHA-256
    crypt.hashAlgorithm = "sha256"
    hash = crypt.hashFileENC(filename)
    print("SHA256:")
    print("\(hash!)")

    // Hash using SHA-384
    crypt.hashAlgorithm = "sha384"
    hash = crypt.hashFileENC(filename)
    print("SHA384:")
    print("\(hash!)")

    // Hash using SHA-512
    crypt.hashAlgorithm = "sha512"
    hash = crypt.hashFileENC(filename)
    print("SHA512:")
    print("\(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)
    print("Haval:")
    print("\(hash!)")

}