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Error 87 During Cryptcreatehash

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When you have finished using the hash object, release the handle by calling the CryptDestroyHash function. Théo Forums VB : lire la notice La touche existe pour être utilisée Pensez au tag Pour ceux n'ayant pas l'aide installée : - Aide MSDN pour VB6 - Aide MSDN Navigation menu switched per app? A session key can be derived by using CryptDeriveKey.

After creating a handle to the Crypt Provider using: CryptAcquireContext(hCryptProv, vbNullString, SERVICE_PROVIDER, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT) I use hCryptProv to call the CryptCreateHas function. Join them; it only takes a minute: Sign up Using MS crypto library on server 2012 - CryptCreateHash error code 87: ERROR_INVALID_PARAMETER up vote 1 down vote favorite 1 I am Is it a fallacy, and if so which, to believe we are special because our existence on Earth seems improbable? This handle is used in subsequent calls to CryptHashData and CryptHashSessionKey to hash session keys and other streams of data. http://stackoverflow.com/questions/20543777/using-ms-crypto-library-on-server-2012-cryptcreatehash-error-code-87-error-in

Crypthashdata

I have tried using ULong because that is how the HCRYPTPROV datatype is defined in the MSDN docs. Visit the Trac open source project athttp://trac.edgewall.org/ Forums Tutoriels Magazine FAQs Blogs Chat Newsletter Études Emploi Club Contacts Developpez.com - Visual Basic 6 Forums Autre rubrique X Choisissez d'abord la catégorieensuite And the error it generates (error 87) corresponds to the error handle ERROR_INVALID_PARAMETER. Download in other formats: Plain Text Original Format Powered by Trac 1.0 By Edgewall Software.

Physically locating the server Was any city/town/place named "Washington" prior to 1790? merci d'avance pour votre aide Répondre avec citation 0 0 04/04/2007,08h40 #2 AlainTech Modérateur Consultant informatiqueInscrit enmai 2005Messages4185Détails du profilInformations personnelles :Sexe : Âge : 62Localisation : BelgiqueInformations professionnelles :Activité sContainer = vbNullChar sProvider = MS_DEF_PROV & vbNullChar If Not CBool(CryptAcquireContext(lHCryptprov, ByVal sContainer, ByVal sProvider, PROV_RSA_FULL, 0)) Then bValid = False MsgBox ("Error " & CStr(GetLastError) & " during CryptAcquireContext!") GoTo Cryptcreatehash Calg_sha_256 Register Help Remember Me?

It could possibly be a 32/64 problem. This is most often a pointer that is not valid. Trying to create safe website where security is handled by the website and not the user Can Tex make a footnote to the footnote of a footnote? https://msdn.microsoft.com/en-us/library/windows/desktop/aa379908(v=vs.85).aspx EDIT: Prototypes as requested: Private Declare Function CryptAcquireContext Lib "advapi32.dll" Alias "CryptAcquireContextA" _ (ByRef phProv As IntPtr, _ ByVal pszContainer As String, _ ByVal pszProvider As String, _ ByVal dwProvType As

Not the answer you're looking for? Cryptderivekey merci Répondre avec citation 0 0 04/04/2007,16h27 #4 Theocourant Membre éclairé Inscrit enjanvier 2005Messages618Détails du profilInformations personnelles :Âge : 38Localisation : FranceInformations forums :Inscription : janvier 2005Messages : 618Points : Ces fonctions utilisent la registry pour stocker certaines valeurs et, au moindre problème de corruption de registry, ça ne fonctionne plus. For extended error information, call GetLastError.

Cryptcreatehash Example

Par Franck.H dans le forum Windows Réponses: 7 Dernier message: 02/07/2004, 09h03 [VB6] capture de touche par API Par tomnie dans le forum VB 6 et antérieur Réponses: 4 Dernier message: After one of the functions from this list has been called, CryptHashData and CryptHashSessionKey cannot be called. Crypthashdata Does Zootopia have an intentional Breaking Bad reference? Cryptgethashparam If Not CBool(CryptCreateHash(lHCryptprov, CALG_MD5, 0, 0, lHHash)) Then MsgBox ("Error " & CStr(GetLastError) & " during CryptCreateHash!") GoTo Done End If 'Hash in the password data.

Works fine in Vista and XP. Neither server has yet been updated to Windows Server 2012 R2, it is running the out-of-the box version of the OS. If CryptCreateHash(hCryptProv, CALG_MD5, 0, 0, hHash) = 0 Then Dim _error As Integer = Err.LastDllError Throw New CryptoException("Error during CryptCreateHash. Forum Actions Marquer les forums comme lus Bugs & Suggestions Réseau social Groupes Liste des utilisateurs FAQ forum Voir l'équipe du site Blogs Agenda Règles Blogs Projets Recherche avancée Index du Cryptsethashparam

After creating a handle to the Crypt Provider using: CryptAcquireContext(hCryptProv, vbNullString, SERVICE_PROVIDER, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)I use hCryptProv to call the CryptCreateHas function. However I still haven't got this to work properly, please could you take a look at my new question? There are already APIs for that or you can use the fully managed versions –Mgetz Dec 13 '13 at 14:38 add a comment| 1 Answer 1 active oldest votes up vote Elle peut servir à d'autres!

if(hHash) CryptDestroyHash(hHash); if(hCryptProv) CryptReleaseContext(hCryptProv,0); Requirements Minimum supported client Windows XP [desktop apps only] Minimum supported server Windows Server 2003 [desktop apps only] Header Wincrypt.h Library Advapi32.lib DLL Advapi32.dll See also Hash and Digital Cryptcreatehash C# We appreciate your feedback. Below is the complete code for my program I made that creates and displays the MD5 hash for the text "This is a test.".

Browse other questions tagged c# .net vb.net winapi advapi32 or ask your own question.

Voici le code du cryptage, avec en gras les lignes qui bloquent : Code : Sélectionner tout - Visualiser dans une fenêtre à part 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529 Option Explicit Private Declare Function CryptAcquireContext If lHExchgKey Then CryptDestroyKey (lHExchgKey) 'Destroy hash object. And since it's failing in the most basic parts of the Crypto API, I fear I may not be able to use it. Cryptsignhash The code in question calls the CryptCreateHash function of advapi32.dll - a Microsoft crypto library.

By trial and error though, I managed to figure out what was wrong. To start viewing messages, select the forum that you want to visit from the selection below. If lHHash Then CryptDestroyHash (lHHash) 'Release provider handle. Return value If the function succeeds, the function returns TRUE.

NTE_BAD_KEY A keyed hash algorithm, such as CALG_MAC, is specified by Algid, and the hKey parameter is either zero or it specifies a key handle that is not valid. Property mode set to 100644 File size: 10.7 KB Line 1/* -*- Mode: C; c-basic-offset:4 ; -*- */2/*  $Id: MPICH_pwd.cpp,v 1.2 2002/09/27 21:11:12 toonen Exp $3 *4 *  (C) 2001 by Argonne National Laboratory.5 *  If the function fails, it returns FALSE. As I said before this code has worked perfectly for many years on a variety of environments - including a Windows Server 2012 test machine used by the Developers.

Downloads and tools Windows 10 dev tools Visual Studio Windows SDK Windows Store badges Essentials API reference (Windows apps) API reference (desktop apps) Code samples How-to guides (Windows apps) Learning resources Pensez aussi à voter pour les réponses qui vous ont aidés. ------------ Je dois beaucoup de mes connaissances à mes erreurs! Syntax C++ Copy BOOL WINAPI CryptCreateHash( _In_  HCRYPTPROV hProv, _In_  ALG_ID     Algid, _In_  HCRYPTKEY  hKey, _In_  DWORD      dwFlags, _Out_ HCRYPTHASH *phHash ); Parameters hProv [in] A handle to a CSP created by a call to CryptAcquireContext. WebDéveloppement Web et Webmarketing Développement Web AJAX Apache ASP CSS Dart Flash / Flex JavaScript PHP Ruby & Rails TypeScript Web sémantique Webmarketing (X)HTML EDIEnvironnements de Développement Intégré EDI 4D Delphi

The Windows 7 was a fresh installation, anyways, I traced it down to having to create a new key the first time you run the crypto service, after that, it loads If Not CBool(CryptGetUserKey(lHCryptprov, AT_SIGNATURE, lHCryptKey)) Then bValid = False MsgBox ("Error " & CStr(GetLastError) & " during CryptGetUserKey!") GoTo ReleaseHandles: End If lSignatureLen = Len(sSignature) 'Verify signature. If CryptCreateHash(hCryptProv, CALG_MD5, 0, 0, hHash) = 0 Then Dim _error As Integer = Err.LastDllError Throw New CryptoException("Error during CryptCreateHash. asked 2 years ago viewed 1626 times active 1 year ago Linked 1 Calling advapi.dll using Pinvoke: CryptDecrypt and CryptEncrypt unexpected behaviour 0 Why long datatype work for this marshalling?

Possibly this is a 32/64 bit related issue, presuming advapi32.dll is 32bit? What's happening is the program works PERFECTLY up to the part where there it tries to release that handle, and only THEN there is an error. Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders What's New? A couple ByRef arguments should have been ByVal instead.