Decrypt

Description

Decrypts a string that is encrypted with the Encrypt function.

Return value

String, unencrypted.

Category

Other functions, String functions

Syntax

Decrypt(encrypted_string, seed) 

See also

Duplicate, Encrypt

Parameters

Parameter Description
encrypted_string
String or a variable that contains one. String to decrypt
seed
String. The 32-bit key that was used to encrypt the string.

Example

<!--- This example shows the use of Encrypt and Decrypt --->
<h3>Decrypt Example</h3>
<p>This function encrypts/decrypts a string. Enter a string and a key.
<cfif IsDefined("FORM.myString")>
  <cfset string = FORM.myString>
  <cfset key = FORM.myKey>
  <cfset encrypted = encrypt(string, key)>
  <cfset decrypted = decrypt(encrypted, key)>
  <cfoutput>
    <h4><B>The string:</B></h4> #string# <br>
    <h4><B>The key:</B></h4> #key#<br>
    <h4><B>Encrypted:</B></h4> #encrypted#<br>
    <h4><B>Decrypted:</B></h4> #decrypted#<br>
  </cfoutput>
</cfif>
<form action = "encrypt.cfm">
<p>Input your key:
<p><input type = "Text" name = "myKey" value = "foobar">
<p>Enter string to encrypt:
<p><textArea name = "myString" cols = "40" rows = "5" WRAP = "VIRTUAL">
This string will be encrypted (try typing some more)</textArea>
<input type = "Submit" value = "Encrypt my String">
</form>

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