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(Classic ASP) PBKDF2 - Derive Key from PasswordDemonstrates how to derive a symmetric encryption key from a password using PBKDF2. For more information, see https://www.chilkatsoft.com/key_derivation_pbkdf2.asp
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set crypt = Server.CreateObject("Chilkat.Crypt2") pw = "password" pwCharset = "utf-8" ' Such as sha256, sha512 hashAlg = "sha256" ' 16 bytes saltHex = "78578E5A5D63CB0668AB39B21C8637FA" iterationCount = 100000 ' Derive a 256-bit key from the password. outputBitLen = 256 ' The derived key is returned as a hex or base64 encoded string. ' (Note: The salt argument must be a string that also uses ' the same encoding.) enc = "hex" hexKey = crypt.Pbkdf2(pw,pwCharset,hashAlg,saltHex,iterationCount,outputBitLen,enc) Response.Write "<pre>" & Server.HTMLEncode( hexKey) & "</pre>" ' Sample output: ' AE96E261E32792D0FD6F0E72F8E872D046F7DB4C1FA7C83892EC73C49F461B70 %> </body> </html> |
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