Capicom: sign error
From: CVMolina (CVMolina_at_discussions.microsoft.com)
Date: 06/22/05
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Date: Wed, 22 Jun 2005 11:03:01 -0700
Hi,
I'm using CAPICOM 2.0.0.3 for signing in a web app. I'm having an error
during the signing process
with some certificates. Some others works fine.
The error occurs in this line:
"Message = SignedData.Sign(Signer, TRUE)" in the "signCapi" function
The error that appeared in a message box after having selected his
certificate is the following:
"VBScript -2138570157 The signer´s certificate in not valid for signing"
I think this code in this error code page for CAPICOM (
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/seccrypto/security/capicom_error_code.asp
)
correspond to this:
---------------------------------
= 0x80880253 //v2.0,
CAPICOM_E_SIGN_NOT_INITIALIZED
The SignedData object has not been initialized.
To initialize the SignedData object, set the Content property or call
the Verify method.
---------------------------------
Some of the code is:
------------------------------------------------------
Const CAPICOM_URL =
"http://www.microsoft.com/downloads/release.asp?ReleaseID=44155"
Const TITULO_ERROR = "Firma de Texto..."
Const TITULO_INFO = "Verificación de Firma y Certificado..."
' Constantes de la CAPICOM...
Const CAPICOM_MEMORY_STORE = 0
Const CAPICOM_LOCAL_MACHINE_STORE = 1
Const CAPICOM_CURRENT_USER_STORE = 2
Const CAPICOM_MY_STORE = "MY"
Const CAPICOM_ACTIVE_DIRECTORY_USER_STORE = 3
Const CAPICOM_SMART_CARD_USER_STORE = 4
Const CAPICOM_CERT_INFO_SUBJECT_SIMPLE_NAME = 0
Const CAPICOM_STORE_OPEN_READ_ONLY = 0
Const CAPICOM_STORE_OPEN_READ_WRITE = 1
Const CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED = 2
Const CAPICOM_STORE_OPEN_EXISTING_ONLY = 128
Const CAPICOM_STORE_OPEN_INCLUDE_ARCHIVED = 256
Const CAPICOM_VERIFY_SIGNATURE_AND_CERTIFICATE = 1
Const CAPICOM_ENCODE_BASE64 = 1
Dim StoreName : StoreName = "MY"
Dim Signer, SignedData, Certificate, Message, oConvert
Dim oStore
Dim oCertificates
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Function llenarCombos
on error resume next
Set oStore = CreateObject("CAPICOM.Store")
oStore.Open CAPICOM_CURRENT_USER_STORE, CAPICOM_MY_STORE,
CAPICOM_STORE_OPEN_READ_ONLY Or CAPICOM_STORE_OPEN_EXISTING_ONLY
Set oCertificates = oStore.Certificates
Dim oCertificate
For Each oCertificate in oCertificates
If(oCertificate.HasPrivateKey()) Then
agregarOpcion(oCertificate.GetInfo(CAPICOM_CERT_INFO_SUBJECT_SIMPLE_NAME))
End If
Next
End Function
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Function signCapi(texto, certificado)
Set Signer = CreateObject("CAPICOM.Signer")
Signer.Certificate = oCertificates(certificado + 1)
Set oStore = Nothing
Set oCertificates = Nothing
Set SignedData = CreateObject("CAPICOM.SignedData")
Set oConvert = CreateObject("ConvertString.Convert")
SignedData.Content = oConvert.StrConvert(texto)
On Error Resume Next
Message = SignedData.Sign(Signer, TRUE)
If (Err.Number <> 0) Then
MsgBox "Error: " & CStr(Err.Number) & " " & Err.Description
End If
' Muestra la firma...
pkcs7.innerText = Message
pkcs7.style.display = ""
firmarCapi = Message
Set SignedData = Nothing
On Error GoTo 0
End Function
------------------------------------------------------
Thanks!
CVMolina
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