MACROMEDIA COLDFUSION 4.5-CFML LANGUAGE Reference page 568

544
<CFOUTPUT>#charData#</CFOUTPUT>
</P>
<!----------------------------------------------------------------------
Create a Base 64 representation of this string.
----------------------------------------------------------------------->
<CFSET data64=toBase64(charData)>
<!----------------------------------------------------------------------
Convert string to binary.
----------------------------------------------------------------------->
<CFSET binaryData=toBinary(data64)>
<!----------------------------------------------------------------------
Convert binary back to Base 64.
----------------------------------------------------------------------->
<CFSET another64=toBase64(binaryData)>
<!----------------------------------------------------------------------
Compare another64 with data64 to ensure that they are equal.
----------------------------------------------------------------------->
<CFIF another64 eq data64>
<H3>Base 64 representations are identical.</H3>
<CFELSE>
<H3>Conversion error.</H3>
</CFIF>
</BODY>
</HTML>
CFML Language Reference