Microsoft hardening DCOM, forcing packet integrity on March 14, 2023
DCOM = Distributed Com Object Model Update Release Behavior Change June 8, 2021 Hardening changes disabled by default, but with ability to enable them using a register key. June 14, 2022 Hardening...
View Articleselect case send data
client side Code: Private Sub sckClient_DataArrival(ByVal bytesTotal As Long) Dim strData As String, strPackets() As String Dim strTrunc As String, bolTrunc As Boolean Dim lonLoop As Long,...
View ArticleClik here to view.
Arrays in Far Memory
Ok, this is an idea I've been playing around with, inspired by some work by Dilettante and The Trick. And much thanks goes out to both of them. My idea was to use those concepts and create a class that...
View ArticleClik here to view.
Encrypted File Transfer
Attached are sample programs that facilitate sending a file over the WAN (Wide Area Network) fully encrypted. Transferring a file unencrypted over the Internet using SimpleSock is usually quite...
View Article[VB6] SHA-3 pure VB6 implementation in 266 LOC
This tiny module includes CryptoSHA3 function that can be used to calculate SHA-3 hash in all bit-sizes: SHA3-224, SHA3-256, SHA3-384 and SHA3-512. The module also includes CryptoKeccak function which...
View Article[VB6/VBA] SHA-3 pure VB implementation incl. HMAC
This mdSha3.bas module includes CryptoSha3 function that can be used to calculate SHA-3 hash in all bit-sizes: SHA3-224, SHA3-256, SHA3-384 and SHA3-512. The module also includes CryptoKeccak function...
View ArticleHere's how to reference the same variable in 2 different ways.
This is similar to the way a union works in C or C++. It works by applying custom settings to a SAFEARRAY structure (aka safe array descriptor). I've done a lot of commenting on the code, so others can...
View ArticleClik here to view.
Large arrays (when arrays don't fit in memory)
Sometimes we need to store a lot of data in memory, but we find two restrictions: 1) VB6, as any 32 bits process, has a limit of using 2 GB RAM. It can be extended to 4 GB setting LARGEADDRESSAWARE but...
View Article[VB6/VBA] X25519 for ECDH key exchange and Ed25519 for EdDSA signatures
This mdCurve25519.bas module implements X25519 key exchange and Ed25519 signatures in pure VB6. EdDSA signatures use SHA-512 hashes internally so you'll need mdSha512.bas from this thread included in...
View ArticleClik here to view.
[VB6/VBA7] CNamespaceWalk (Using the INamespaceWalk interface)
This project is intended to demonstrate how to implement the INamespaceWalk interface. It uses lightweight COM and no .tlb is required and no VTable subclassing is used. This means that the source...
View ArticleClik here to view.
Add-In to change the "default" size of code windows while in IDE design mode
Ok, this is a VB6 Add-In to change the default size of Code windows. On my computer, I always delete the VBW files. So, when I open code windows, their width is some "default" size. On my computer,...
View ArticleClik here to view.
(VB6) ColorDialog: a color dialog replacement
The Windows color dialog seems a bit outdated to me. Here is a new one that can replace it. Current limitations are: since it is a dialog that has some captions, it needs translations to different...
View ArticleClear Immediate Window
This has probably been posted before, but I thought I'd do "my version" of this. Compile the Add-In and save the DLL to wherever your Add-Ins are, and then load it (via your Add-Ins Manager) and you'll...
View ArticleClik here to view.
(VB6) Virtual LED control
It simulates a LED (light emitting diode). Properties: Color: Red/Green/yellow/Blue/White/Custom (the Custom color is defined from properties BorderColor, ColorOn and ColorOff) State: On/Off/Blinking...
View ArticleClik here to view.
Clear Immediate Window (Add-In)
EDIT1: I added the option to "Clear" to the Immediate Window's context menu. It's probably more useful there than as a separate button anyway. This has probably been posted before, but I thought I'd do...
View ArticleClik here to view.
Open module with text editor from Project Window's context menu (Add-In)
This is an add-in I've wanted for a long time. It opens modules (or the VBP file if that's what you're on) from the context menus within the VB6 IDE's Project Explorer Window. Just compile it, save the...
View ArticleClik here to view.
Right-click Type (UDT) usage in code and go to its Declaration (Add-In)
IMHO, this was a major oversight in the VB6 IDE that should have been included. We can right-click in code (getting context menu and selecting "Definition") and go to the declarations of about...
View ArticleClik here to view.
Registry Free Object Instantiation using DirectCOM & RC6
There are a few variations of this kind of reg-free "bootstrapping" module already circulating, but I wanted to write one that was highly commented in the hope that it will help some newcomers better...
View ArticleClik here to view.
LOGIC_GATES in VB6
Dear All Just recently I have developed a code on Logic Gates in VB6. Hope it will be helpful to some of them here. The Original code belongs to Use Adlib Logic, I don't know the name of the Original...
View ArticleClik here to view.
VB6 - GetFile
Attached are sample programs that facilitate downloading a file from a remote server using encryption. It was adapted from SendFile. https://www.vbforums.com/showthread....-File-Transfer The encryption...
View Article