https://bugs.documentfoundation.org/show_bug.cgi?id=93221
Bug ID: 93221
Summary: "object variable not set" fault with Basic using
CryptographicService with 64 bit LibreOffice an 64 bit
windows
Product: LibreOffice
Version: 5.0.0.5 release
Hardware: Other
OS: Windows (All)
Status: UNCONFIRMED
Severity: major
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
I downloaded and installed the latest LibreOffice 64 bit version and since I
did that my cryptography Basic code does not work. It throws the "object
variable not set" error message.
This code is what I use. I modified the original code because the MD5 sometimes
generates shorter than 32 character code and need to be filled with a 0 at the
start of the MD5 code, which is another problem in the Cryptographic service,
but I removed it and put it back as the original code to make sure that not my
modification cause it. It turns out that it throws the same error message that
way too.
It throws the error at the line TextHash = objDecrypt.GetTextHash(strText,
strAlgorithm)
When I was using it with my modification it throws the error at this line
tempText = objDecrypt.GetTextHash(strText, strAlgorithm)
Below is the complete set of Basic code for the original functioning without
the zero correction.
REM texthash(CONCATENATE(A2,"idta"),"MD5"))
REM Propósito: Computes hashes (message digests) of text and files using
following hashing algorithms: MD2, MD5, SHA-1, SHA-256, SHA-384 and SHA-512
REM Informações sobre o Módulo: Módulo Padrão = basMain
REM Convenção para nomeclatura das versões: a.mm[.dd]: Nome do Revisor (e-mail)
REM Autor: Claudio Gomes Riella ([email protected])
REM Versões:
REM 1.10.01 (1º/10/2009): Claudio Gomes Riella ([email protected])
REM Parâmetros<-Argumentos: Main
REM FileHash(strFullPathName as String, strAlgorithm
As String) <- Calc function FILEHASH(Cell; Algorithm)
REM TextHash(strText as String, strAlgorithm As String)
<- Calc function TEXTHASH(Cell; Algorithm)
REM Resultados: return message digests
REM Requisitos mínimos: BrOffice.org 3.1.0 ou OpenOffice.org 3.1.0 +
Cryptographic Service 1.10.01
REM Licença: LGPL
Sub Main
Dim strFullPathName as String, sbNewLine as String
sbNewLine = Chr(13) + Chr(10)
strFullPathName = inputbox ("Insert the path of file")
msgbox "File is """ & strFullPathName & """" & sbNewLine & "FileHash: " &
FileHash(strFullPathName, "MD5") & sbNewLine & "TextHash: " &
TextHash(strFullPathName, "MD5")
End Sub
Function FileHash(strFullPathName as String, strAlgorithm As String)
Dim objDecrypt As Object
Set objDecrypt =
CreateUnoService("org.openoffice.Cryptographic.CryptographicService")
FileHash = objDecrypt.GetFileHash(strFullPathName, strAlgorithm)
End Function
Function TextHash(strText as String, strAlgorithm As String)
Dim objDecrypt As Object
Dim LResult As Long
Dim tempText As String
Dim textLength As Integer
Set objDecrypt =
CreateUnoService("org.openoffice.Cryptographic.CryptographicService")
REM tempText = objDecrypt.GetTextHash(strText, strAlgorithm)
REM textLength = Len(tempText)
REM If strAlgorithm = "MD5" Then
REM If textLength = 32 Then
REM tempText = ""
REM ElseIf textLength = 31 Then
REM tempText = "0"
REM ElseIf textLength = 30 Then
REM tempText = "00"
REM ElseIf textLength = 29 Then
REM tempText = "000"
REM ElseIf textLength = 28 Then
REM tempText = "0000"
REM ElseIf textLength = 27 Then
REM tempText = "00000"
REM ElseIf textLength = 26 Then
REM tempText = "000000"
REM End If
REM else
REM tempText = ""
REM End If
REM TextHash = tempText + objDecrypt.GetTextHash(strText, strAlgorithm)
TextHash = objDecrypt.GetTextHash(strText, strAlgorithm)
End Function
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