Chilkat v11.5.0 Release Notes

Pinned June 2, 2026

  ✨ New Features HttpCurl A new Chilkat class has been added: HttpCurl The Chilkat.HttpCurl class executes curl commands and can automatically resolve dependent values needed by a request. Variables such as {{access_token}}, {{site_id}}, or {{drive_id}} may appear in URLs, headers, query parameters, or request bodies. If a variable is not yet known, HttpCurl builds […]

Chilkat v11.4.0 Release Notes

Pinned April 1, 2026

  ✨ New Features Js A new Chilkat class has been added: Js is a minimal, standards-compliant JavaScript engine designed to embed JavaScript inside applications with very small footprint and fast startup. It executes JavaScript code inside an application without requiring a browser or large runtime. See About the Chilkat.Js JavaScript Engine Ai Provider — […]

ASP Upload Script – Receiving Form Text Fields with File Uploads

May 30, 2008 in Uncategorized

The Chilkat Upload ActiveX component (which is entirely freeware) provides the capability to receive both form text items as well as file uploads in a single HTTP POST. This post provides an example. First we show the HTML FORM with both text and file input fields. Then we show the ASP script to receive the […]

Port 465 is Normally the Implicit SSL SMTP Port, but not always…

May 30, 2008 in Uncategorized

If you open a DOS prompt and telnet to an SMTP server (typically port 25 for non-SSL, port 465 for SSL), you should get a human-readable printable-text “HELLO” message from the non-SSL port, but binary SSL-handshake protocol gobbly-gook from an implicit SSL port. For example: > telnet mail.chilkatsoft.com 25 220 mail.chilkatsoft.com ESMTP MailEnable Service, Version: […]

Keeping an FTP Session Open

May 29, 2008 in Uncategorized

Question: We are making a timed call to an FTP folder to check for new files. Once a file appears, we download it. Is it possible to keep the session open between these timed calls, or should it be closed and re-opened every time we check? The interval is very small 2 seconds, but may […]

Modify Email on IMAP Server?

May 29, 2008 in Uncategorized

Question: I was wondering if the IMAP library for .NET allows me to go into an IMAP server, and change the body of a previous email? Is any email fair game? Or does it have to be in drafts? If so, is there a special way to save it to the server? If this does […]

Choosing Correct C++ Library for Linking

May 28, 2008 in Uncategorized

When linking with a Chilkat C++ library, you must choose the .lib that matches your project’s “code generation” property setting. For example, in VC++ 8.0, these are the Chilkat .lib’s: ChilkatDbg.lib ChilkatDbgDll.lib ChilkatRel.lib ChilkatRelDll.lib If “Dll” is in the library name, it means that you are *not* statically linking with the C runtime libs. Just […]

C# 3DES (Triple-DES) Test Vector

May 22, 2008 in Uncategorized

This post provides C# sample code for matching a test vector (known answer test). 3DES Settings: ECB Mode 192-bit key (i.e. 3 8-bit keys) ASCII Key Bytes: 1234567890123456ABCDEFGH ASCII Text to Encrypt: The quick brown fox jumped over the lazy dog Pads with zero bytes Hexadecimalized Encrypted Result: 13d4d3549493d2870f93c3e0812a06de467e1f9c0bfb16c0 70ede5cabbd3ca62f217a7ae8d47f2c7bf62eb309323b58b C# Code: string keyAscii = […]

PHP Three-Key Triple-DES (3DES) Test Vector

May 22, 2008 in Uncategorized

This post provides PHP sample code for matching a test vector (known answer test). 3DES Settings: ECB Mode 192-bit key (i.e. 3 8-bit keys) ASCII Key Bytes: 1234567890123456ABCDEFGH ASCII Text to Encrypt: The quick brown fox jumped over the lazy dog Pads with zero bytes Hexadecimalized Encrypted Result: 13d4d3549493d2870f93c3e0812a06de467e1f9c0bfb16c0 70ede5cabbd3ca62f217a7ae8d47f2c7bf62eb309323b58b PHP Code: <?php $cipher = […]

POP3 Sessions w.r.t. New Email and Deleting Email

May 22, 2008 in Uncategorized

The POP3 protocol is such that a new session is started after a successful login. The session is a snapshot of the existing emails in the mailbox. Any new email that arrives during the session will not be seen until the session is ended (i.e. you logout) and a new session is started. Also, emails […]