It should be: Public Const MS. More provider names @ MSDN. There are other typos as well and I guess some missing API calls too, I'm too tired to debug it more. Besides that the sample has some oddities..
I guess the worst is to use Get. Last. Error API, VB6 provides Err. Last. Dll. Error to be used instead of Get. Last. Error, because VB6 may itself make some API calls which then would give you invalid result from Get. Last. Error API as it may have the error code for an API call that VB6 made in the background. So it is much better to use Err. Last. Dll. Error.
Private Declare Function CryptAcquireContext Lib 'advapi32.dll' Alias 'CryptAcquireContextA' . Private Declare Function CryptDecrypt Lib 'advapi32.dll' API Description : The CryptDecrypt function is used to decrypt data that was previously encrypted via the CryptEncrypt function. VB Declaration : Show Multiline Public.
Questionbrown. 71. Fri, 1. 4 Jun 2. 01.
VB6 to VB.NET Convert decrypt function. Posted on 2010-07-04 Visual Basic.NET; Algorithms; 1 Verified Solution. Declare Function CryptDecrypt Lib 'advapi32.dll' (ByVal hkey As IntPtr,
So we have a VB6 serialization library that we use to encrypt a string and save the string do a . We read this file for licensing. We are writing the libraries in c# now and I put all the same code in that vb.
Advapi32 patch for Windows 7. For the 32-bit version, just take the patch for the dll in SysWOW64. Final in CryptEncrypt and CryptDecrypt. You should declare it as 'bool' not 'int'. Try with this and tell me if it corrects your problem.-- Mounir IDRASSI IDRIX. The CryptDecrypt function decrypts data previously encrypted by using the CryptEncrypt function. Before calling CryptDecrypt. Advapi32.dll: See also. The large table on this page lists all the functions that appear in the export directory of any known version of ADVAPI32.DLL. CryptDecrypt: 4.0 from Windows NT 4.0, and higher : documented . All gists; GitHub; Sign up for a GitHub account Sign in. Instantly share code, notes, and snippets.
Any help would be appreciated. Replies. Stefan Hoffmann on Sun, 1. Jun 2. 01. 3 1. 0: 3. See Louise. fr answer in. Mon, 1. 7 Jun 2. 01. This is the solution I used and the results are different. Selte on Mon, 1. 7 Jun 2.
Step through both implementations simultaneously, tracking the data on each step. You'll find the line where things start going wrong in no time, and will be able to fix it. Mon, 1. 7 Jun 2. 01. Everything is identical except for the part where is does Crypt. Decrypt call. Once it return from vb. Once it return from vb.
Once it return from vb. Up until this line everything is pretty much the same. Thu, 2. 0 Jun 2. 01. How can I move this thread to that forum? Marcel Roma on Fri, 2.
Jun 2. 01. 3 0. 9: 4. Hi,just marshal your ciphertext as a byte array (using whatever encoding was used originally), and you'll be fine.