Classic ASP

UN/EDIFACT Syntax Level A Encoding/Decoding

Demonstrates the new "eda" encoding that can be used throughout Chilkat starting in v9.5.0.65.

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Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' Note: Requires Chilkat v9.5.0.65 or greater.

set sb = Server.CreateObject("Chilkat.StringBuilder")
success = sb.Append("The 5 men of 223rd St")
Response.Write "<pre>" & Server.HTMLEncode( sb.GetAsString()) & "</pre>"

' Encode the utf-8 byte representation of the string in the 
' UN/EDIFACT syntax level A character set.
success = sb.Encode("eda","utf-8")
Response.Write "<pre>" & Server.HTMLEncode( sb.GetAsString()) & "</pre>"

' EDA Output should be: BTME027FCF6CFARFI94JT6.)F(14KJ2U

' Decode back to the original string.
success = sb.Decode("eda","utf-8")
Response.Write "<pre>" & Server.HTMLEncode( sb.GetAsString()) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "----") & "</pre>"

' The following requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' The "eda" encoding can be used anywhere within Chilkat.
' For example, with the Crypt2 API
set crypt = Server.CreateObject("Chilkat.Crypt2")
crypt.CryptAlgorithm = "aes"
crypt.CipherMode = "cbc"
crypt.KeyLength = 256
crypt.EncodingMode = "eda"

ivHex = "000102030405060708090A0B0C0D0E0F"
crypt.SetEncodedIV ivHex,"hex"
keyHex = "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F"
crypt.SetEncodedKey keyHex,"hex"

encStr = crypt.EncryptStringENC("The quick brown fox jumps over the lazy dog.")
' The output is UN/EDIFACT syntax level A 
Response.Write "<pre>" & Server.HTMLEncode( encStr) & "</pre>"

' Now decrypt:
decStr = crypt.DecryptStringENC(encStr)
Response.Write "<pre>" & Server.HTMLEncode( decStr) & "</pre>"

%>
</body>
</html>