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(Classic ASP) ARC4 PRNG (Pseudo Random Number Generator)Uses the ARC4 stream encryption algorithm as a pseudo random number generator.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Crypt2") set crypt = Server.CreateObject("Chilkat.Crypt2") ' Set the encryption algorithm to ARC4: crypt.CryptAlgorithm = "arc4" ' We want the encrypted output to be a hex-encoded string. crypt.EncodingMode = "hex" key = "000102030405060708090A0B0C0D0E0F" data = "12345678" ' Key length is 128 bits in this example. crypt.KeyLength = 128 crypt.SetEncodedKey key,"hex" ' Generate 16 "random" 8-byte blocks, encoded as hex strings. ' This example will generate the identical output each time ' it is run. For i = 0 To 15 cipherHex = crypt.EncryptStringENC(data) Response.Write "<pre>" & Server.HTMLEncode( data) & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( cipherHex) & "</pre>" data = cipherHex Next %> </body> </html> |
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