(PowerBuilder) Create CAdES p7m using Azure Key Vault to Sign in the Cloud

See more Signing in the Cloud Examples

Note: This example requires Chilkat v9.5.0.96 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Cert
integer li_Success
oleobject loo_JsonAzure
oleobject loo_Crypt
oleobject loo_SignedAttrs
string ls_InputXmlPath
string ls_OutputP7mPath

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Load the certificate used for signing.  The certificate's private key is stored in 
// the Azure Key Vault.
// However, we still need the certificate locally (without private key).
loo_Cert = create oleobject
// Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")
if li_rc < 0 then
    destroy loo_Cert
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_Cert.LoadFromFile("qa_data/certs/myCert.cer")
if li_Success = 0 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Cert
    return
end if

// Here's a screenshot of our certificate with private key on Azure Key Vault:


// To sign using the Azure Key Vault, 
// add the following lines of code to specify your authentication credentials,
// and the name of the certificate w/ private key on the Azure server to be used.
loo_JsonAzure = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonAzure.ConnectToNewObject("Chilkat.JsonObject")

// Set the "service" equal to "azure_keyvault" to tell Chilkat to use Azure Key Vault for signing.
loo_JsonAzure.UpdateString("service","azure_keyvault")
loo_JsonAzure.UpdateString("client_id","APP_ID")
loo_JsonAzure.UpdateString("client_secret","APP_PASSWORD")
loo_JsonAzure.UpdateString("tenant_id","TENANT_ID")
// In the above screenshot, our vault name is "kvchilkat".  You will use your vault name.
loo_JsonAzure.UpdateString("vault_name","VAULT_NAME")
// In the above screenshot, our cert name is "ChilkatTest1".  You will use your cert name.
loo_JsonAzure.UpdateString("cert_name","CERT_NAME")
// In the above screenshot, our cert version is "63b94a23389546ecbc8eb6208a1bef37".  You will use your cert version.
loo_JsonAzure.UpdateString("cert_version","CERT_VERSION")
li_Success = loo_Cert.SetCloudSigner(loo_JsonAzure)

loo_Crypt = create oleobject
// Use "Chilkat_9_5_0.Crypt2" for versions of Chilkat < 10.0.0
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")

li_Success = loo_Crypt.SetSigningCert(loo_Cert)
if li_Success = 0 then
    Write-Debug loo_Crypt.LastErrorText
    destroy loo_Cert
    destroy loo_JsonAzure
    destroy loo_Crypt
    return
end if

// The CadesEnabled property applies to all methods that create PKCS7 signatures. 
// To create a CAdES-BES signature, set this property equal to true.
loo_Crypt.CadesEnabled = 1

loo_Crypt.HashAlgorithm = "sha256"

loo_SignedAttrs = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_SignedAttrs.ConnectToNewObject("Chilkat.JsonObject")

loo_SignedAttrs.UpdateInt("contentType",1)
loo_SignedAttrs.UpdateInt("signingTime",1)
loo_SignedAttrs.UpdateInt("messageDigest",1)
loo_SignedAttrs.UpdateInt("signingCertificateV2",1)
loo_Crypt.SigningAttributes = loo_SignedAttrs.Emit()

// You can sign any type of file..
ls_InputXmlPath = "qa_data/e-Invoice.xml"
ls_OutputP7mPath = "qa_output/signed.p7m"

// Create the CAdES-BES attached signature, which contains the original data.
// Chilkat will build the .p7m locally, but will (internally) use ARSS
// to do the RSA signing remotely.
li_Success = loo_Crypt.CreateP7M(ls_InputXmlPath,ls_OutputP7mPath)
if li_Success = 0 then
    Write-Debug loo_Crypt.LastErrorText
    destroy loo_Cert
    destroy loo_JsonAzure
    destroy loo_Crypt
    destroy loo_SignedAttrs
    return
end if

Write-Debug "Success."


destroy loo_Cert
destroy loo_JsonAzure
destroy loo_Crypt
destroy loo_SignedAttrs