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(Swift 2) ARC4 PRNG (Pseudo Random Number Generator)Uses the ARC4 stream encryption algorithm as a pseudo random number generator.
func chilkatTest() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let crypt = CkoCrypt2() // Set the encryption algorithm to ARC4: crypt.CryptAlgorithm = "arc4" // We want the encrypted output to be a hex-encoded string. crypt.EncodingMode = "hex" var key: String? = "000102030405060708090A0B0C0D0E0F" var data: String? = "12345678" // Key length is 128 bits in this example. crypt.KeyLength = 128 crypt.SetEncodedKey(key, encoding: "hex") // Generate 16 "random" 8-byte blocks, encoded as hex strings. // This example will generate the identical output each time // it is run. var cipherHex: String? var i: Int for i = 0; i <= 15; i++ { cipherHex = crypt.EncryptStringENC(data) print("\(data!)") print("\(cipherHex!)") data = cipherHex } } |
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