We create a PKCS#7 certficate chain file containing Carl's and Alice's X.509 certificates.
VB6/VBA
Debug.Print "Testing CMS_MakeSigData ..." Dim nRet As Long Dim strOutputFile As String Dim strCertList As String ' Make a list of certs separated by semi-colons (;) strCertList = "CarlRSASelf.cer;" & "AliceRSASignByCarl.cer" Debug.Print "CertList=" & strCertList strOutputFile = "SigDataCertsOnly.p7c" ' Create a certs-only .p7c chain nRet = CMS_MakeSigData(strOutputFile, "", strCertList, "", PKI_CMS_CERTS_ONLY) Debug.Print "CMS_MakeSigData returns " & nRet If nRet <> 0 Then Debug.Print pkiGetLastError()
Output
Testing CMS_MakeSigData ... CertList=CarlRSASelf.cer;AliceRSASignByCarl.cer CMS_MakeSigData returns 0
VB.NET
Console.WriteLine("Testing CMS_MakeSigData ...")
Dim nRet As Integer
Dim strOutputFile As String
Dim strCertList As String
' Make a list of certs separated by semi-colons (,)
strCertList = "CarlRSASelf.cer;" & "AliceRSASignByCarl.cer"
Console.WriteLine("CertList=" & strCertList)
strOutputFile = "SigDataCertsOnly.p7c"
' Create a certs-only .p7c chain
nRet = Cms.MakeSigData(strOutputFile, "", strCertList, "", Cms.Options.CertsOnly)
Console.WriteLine("CMS_MakeSigData returns " & nRet)
If nRet <> 0 Then Console.WriteLine(General.LastError())
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