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(Visual FoxPro) Sign Italian SPID Metadata XML

Demonstrates how to create an XML digital signature for Italian SPID Metadata.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL lnSuccess
LOCAL loSbXml
LOCAL loGen
LOCAL loCert
LOCAL loVerifier
LOCAL lnNumSigs
LOCAL lnVerifyIdx
LOCAL lnVerified

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

lnSuccess = 1

* Load the XML to be signed.
loSbXml = CreateObject('Chilkat_9_5_0.StringBuilder')
lnSuccess = loSbXml.LoadFile("qa_data/xml_dsig/spid_metadata.xml","utf-8")
IF (lnSuccess = 0) THEN
    ? "Failed to load the input file."
    RELEASE loSbXml
    CANCEL
ENDIF

* The XML to sign contains XML such as this:

* <?xml version="1.0" encoding="utf-8"?>
* <md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" entityID="https://***.it" ID="_AE17AFFF-A600-49D5-B81D-76EEA55B50FF">
*     <md:SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol" AuthnRequestsSigned="true" WantAssertionsSigned="true">
*         <md:KeyDescriptor use="signing">
*             <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
*                 <ds:X509Data>
*                     <ds:X509Certificate>MIIF5...</ds:X509Certificate>
*                 </ds:X509Data>
*             </ds:KeyInfo>
*         </md:KeyDescriptor>
*         <md:KeyDescriptor use="encryption">
*             <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
*                 <ds:X509Data>
*                     <ds:X509Certificate>MIIF5...</ds:X509Certificate>
*                 </ds:X509Data>
*             </ds:KeyInfo>
*         </md:KeyDescriptor>
*         <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://***.it/it-it/spid/logout"/>
*         <md:NameIDFormat>urn:oasis:names:tc:SAML:2.0:nameid-format:transient</md:NameIDFormat>
*         <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://***.it/it-it/spid/loginresp" index="0" isDefault="true"/>
*         <md:AttributeConsumingService index="1">
*             <md:ServiceName xml:lang="it">Servizi Online</md:ServiceName>
*             <md:ServiceDescription xml:lang="it">Accesso ai Servizi Online</md:ServiceDescription>
*             <md:RequestedAttribute Name="spidCode" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/>
*             <md:RequestedAttribute Name="name" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/>
*             <md:RequestedAttribute Name="familyName" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/>
*             <md:RequestedAttribute Name="fiscalNumber" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:basic"/>
*         </md:AttributeConsumingService>
*     </md:SPSSODescriptor>
*     <md:Organization>
*         <md:OrganizationName xml:lang="it">SomeCompany s.r.l.</md:OrganizationName>
*         <md:OrganizationDisplayName xml:lang="it">SomeCompany s.r.l.</md:OrganizationDisplayName>
*         <md:OrganizationURL xml:lang="it">https://***.it</md:OrganizationURL>
*     </md:Organization>
* </md:EntityDescriptor>

loGen = CreateObject('Chilkat_9_5_0.XmlDSigGen')

loGen.SigLocation = "md:EntityDescriptor|md:SPSSODescriptor"
loGen.SigLocationMod = 2
loGen.SignedInfoCanonAlg = "EXCL_C14N"
loGen.SignedInfoDigestMethod = "sha256"

* -------- Reference 1 --------
loGen.AddSameDocRef("_AE17AFFF-A600-49D5-B81D-76EEA55B50FF","sha256","EXCL_C14N","","")

* Provide a certificate + private key. (PFX password is test123)
loCert = CreateObject('Chilkat_9_5_0.Cert')
lnSuccess = loCert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
IF (lnSuccess <> 1) THEN
    ? loCert.LastErrorText
    RELEASE loSbXml
    RELEASE loGen
    RELEASE loCert
    CANCEL
ENDIF

loGen.SetX509Cert(loCert,1)

loGen.KeyInfoType = "X509Data+KeyValue"
loGen.X509Type = "Certificate"

loGen.Behaviors = "IndentedSignature,ForceAddEnvelopedSignatureTransform,OmitAlreadyDefinedSigNamespace"

* Sign the XML...
lnSuccess = loGen.CreateXmlDSigSb(loSbXml)
IF (lnSuccess <> 1) THEN
    ? loGen.LastErrorText
    RELEASE loSbXml
    RELEASE loGen
    RELEASE loCert
    CANCEL
ENDIF

* -----------------------------------------------

* Save the signed XML to a file.
lnSuccess = loSbXml.WriteFile("qa_output/signedXml.xml","utf-8",0)

? loSbXml.GetAsString()

* ----------------------------------------
* Verify the signatures we just produced...
loVerifier = CreateObject('Chilkat_9_5_0.XmlDSig')
lnSuccess = loVerifier.LoadSignatureSb(loSbXml)
IF (lnSuccess <> 1) THEN
    ? loVerifier.LastErrorText
    RELEASE loSbXml
    RELEASE loGen
    RELEASE loCert
    RELEASE loVerifier
    CANCEL
ENDIF

lnNumSigs = loVerifier.NumSignatures
lnVerifyIdx = 0
DO WHILE lnVerifyIdx < lnNumSigs
    loVerifier.Selector = lnVerifyIdx
    lnVerified = loVerifier.VerifySignature(1)
    IF (lnVerified <> 1) THEN
        ? loVerifier.LastErrorText
        RELEASE loSbXml
        RELEASE loGen
        RELEASE loCert
        RELEASE loVerifier
        CANCEL
    ENDIF

    lnVerifyIdx = lnVerifyIdx + 1
ENDDO
? "All signatures were successfully verified."

RELEASE loSbXml
RELEASE loGen
RELEASE loCert
RELEASE loVerifier


 

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