Hi,
I fear I am no expert but the following code seems to solve the problem at
least at my installation.
I have taken the code for the ToUTF8 Function from this site:
http://namnp.com/forum/index.php?act=ST&f=11&t=328
There is probably a better way to solve this problem but perhaps this helps
anyway.
Regards,
Johannes Derek
In signForm.vbs:
Function UTF16toUTF8ByteArray(strUTF16)
Dim i, UTF16, UTF8
Dim aryTmp, strTmp
For i=1 To Len(strUTF16)
UTF16 = AscW(Mid(strUTF16, i, 1))
aryTmp = ToUTF8(UTF16)
For Each strTmp In aryTmp
If Len(Hex(strTmp)) > 1 Then
UTF8 = UTF8 & Hex(strTmp)
Else
UTF8 = UTF8 & "0" & Hex(strTmp)
End If
Next
Next
Dim CapicomUtil
Set CapicomUtil = CreateObject("CAPICOM.Utilities")
UTF16toUTF8ByteArray = CapicomUtil.HexToBinary(UTF8)
End Function
Function ToUTF8(ByVal UTF16)
' Convert a 16bit UTF-16BE to 2 or 3 UTF-8 bytes
Dim BArray()
If UTF16 < &H80 Then
ReDim BArray(0) ' one byte UTF-8
BArray(0) = UTF16 ' Use number as Is
Elseif UTF16 < &H800 Then
ReDim BArray(1) ' two byte UTF-8
BArray(1) = &H80 + (UTF16 And &H3F) ' Least Significant 6 bits
UTF16 = UTF16 \ &H40 ' Shift UTF16 number right 6 bits
BArray(0) = &HC0 + (UTF16 And &H1F) ' Use 5 remaining bits
Else
ReDim BArray(2) ' three byte UTF-8
BArray(2) = &H80 + (UTF16 And &H3F) ' Least Significant 6 bits
UTF16 = UTF16 \ &H40 ' Shift UTF16 number right 6 bits
BArray(1) = &H80 + (UTF16 And &H3F) ' Use next 6 bits
UTF16 = UTF16 \ &H40 ' Shift UTF16 number right 6 bits again
BArray(0) = &HE0 + (UTF16 And &HF) ' Use 4 remaining bits
End If
ToUTF8 = BArray ' Return UTF-8 bytes in an Array
End Function
Function signFormIE(theForm, theWindow)
...
SignedData.Content = UTF16toUTF8ByteArray(theForm.text.value)
...
End Function
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf
> Of Sergei Vyshenski
> Sent: Tuesday, December 20, 2005 8:41 PM
> To: [email protected]
> Subject: Re: [OpenCA-Devel] New Version
>
>
> Hi, Michael,
>
> Do we have an expert in Visual Basic to fix annoying bug reported by
>
> Johannes Derek on Dec 15 (see below)?
>
> All the best, Sergei
>
>
> Michael Bell wrote:
> > Yes, I will check the translations from Peter tomorrow
> > morning/afternoon and I think we will release after this.
> >
> ============================
>
> OpenCA Version : snapshot of the 0.9.2 stable branch
> Perl Version : v5.8.4
> OpenSSL Version : OpenSSL 0.9.8 05 Jul 2005
> Operating System: Debian Sarge
> Used Browsers : IE 6.0 (Firefox 1.5)
> Used Language(s): de_DE
> Special Changes : utf-8 enabled
>
> Hi,
>
> I am not quite sure whether my problem is a bug in OpenCA or
> whether I have a configuration error.
>
> I have downloaded the snapshot of the 0.9.2 stable branch as
> described at demo2.openca.info and enabled utf-8 support.
>
> When trying to approve a CSR which has german umlauts in the
> cn (Mäx Müstermänn) I get an error if I use the Internet
> Explorer for signing:
>
> Fehler 6206
> Allgemeiner Fehler Es konnte kein PKCS#7-Objekt aus der
> extrahierten Signatur erstellt werden!
> OpenCA::PKCS#7 gab den Fehlercode 7911031 zurück (Die
> Signatur konnte nicht initialisiert werden (7912021). Die
> Signatur eines PKCS#7-Objektes konnte nicht ausgewertet
> werden (7921021). Das kryptographische System konnte die
> Signatur eines PKCS#7-Objektes nicht verifizieren (7742075).
> OpenCA::OpenSSL->verify: openca-sv failed. [Error]:
> error:04077068:rsa routines:RSA_verify:bad signature
> [Info]: Input file intialized.
> [Info]: Signaturefile initialized.
> [Info]: Reading Certificate file.
> [Info]: PKCS#7 object loaded.
> [Info]: Data is ready for verification.
> [Info]: Signature Informations (PKCS#7):
> depth:1 serial:A2C20CF20A68FF42 subject:CN=ELK-WUE Test
> CA,DC=ELK-WUE,DC=DE
> depth:0 serial:01 subject:CN=Derek Test1,DC=ELK-WUE,DC=DE
> [Info]: Signature is corrupt. Errorcode -1.
> signature:error:-1
> ).
>
> Signing the same CSR with Mozilla Firefox works.
>
> When I take a look at the temporary files created by
> OpenSSL->verify the xxx_data.tmp file seems to be encoded as
> UTF-8. After I encode this file as LATIN1 using iconv the
> call of openca-sv verify works with the IE signature.
>
> Taking a look at the signForm.vbs Script it seems like the
> text signed by CAPICOM is intentionally converted to ASCII/LATIN1.
> If I remove this call to the UnicodeToAscii function the
> verification of the signature still doesn't work, because the
> data seems now to be encoded as Unicode.
> After I convert the new data.tmp file from UTF-8 to
> UNICODELITTLE with iconv the openca-sv verify command works.
>
> Now I am not sure whether I have made an error during the
> setup of the OpenCA server or whether this is a bug in the
> OpenCA utf-8 support.
>
> Do you know how to solve this problem?
>
> Tahnks & Regards
> Johannes Derek
>
>
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