Ruby

Create XAdES using Smart Card or USB Token

See more XAdES Examples

Demonstrates how to create an XAdES signed XML document using a certificate located on a smartcard or USB token. Ruby

require 'chilkat'

success = false

# Load the XML to be signed.
xmlToSign = Chilkat::CkXml.new()
success = xmlToSign.LoadXmlFile("qa_data/fattura_electronica/docToSign.xml")
if (success == false)
    print xmlToSign.lastErrorText() + "\n";
    exit
end

gen = Chilkat::CkXmlDSigGen.new()

gen.put_SigLocation("p:FatturaElettronica")
gen.put_SigId("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504")
gen.put_SigNamespacePrefix("ds")
gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#")
gen.put_SigValueId("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-sigvalue")
gen.put_SignedInfoCanonAlg("C14N")
gen.put_SignedInfoDigestMethod("sha256")

# Create an Object to be added to the Signature.
# Note: Chilkat will automatically populate the strings indicated by "TO BE GENERATED BY CHILKAT" with actual/correct values
# when the XML is signed.
object1 = Chilkat::CkXml.new()
object1.put_Tag("xades:QualifyingProperties")
object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
object1.AddAttribute("xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#")
object1.AddAttribute("Target","#xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504")
object1.UpdateAttrAt("xades:SignedProperties",true,"Id","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops")
object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT")
object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256")
object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT")
object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT")

gen.AddObject("",object1.getXml(),"","")

# -------- Reference 1 --------
gen.put_KeyInfoId("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo")
gen.AddSameDocRef("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo","sha256","","","")

# -------- Reference 2 --------
gen.AddSameDocRef("","sha256","","","")
gen.SetRefIdAttr("","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-ref0")

# -------- Reference 3 --------
gen.AddObjectRef("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops","sha256","","","http://uri.etsi.org/01903#SignedProperties")

# ----------------------------------------------------------------
#  Load a certificate that has been pre-installed on the Windows system
#  This includes certificates on smartcards and USB tokens
cert = Chilkat::CkCert.new()

#  You may provide the PIN here..
cert.put_SmartCardPin("000000")

# Load the certificate on the smartcard currently in the reader (or on the USB token).
# Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider).
# See Load Certificate on Smartcard for information about explicitly selecting a particular CSP.
success = cert.LoadFromSmartcard("")
if (success == false)
    print cert.lastErrorText() + "\n";
    exit
end

gen.SetX509Cert(cert,true)
gen.put_KeyInfoType("X509Data")
gen.put_X509Type("Certificate")

# Load XML to be signed...
sbXml = Chilkat::CkStringBuilder.new()
xmlToSign.GetXmlSb(sbXml)

gen.put_Behaviors("IndentedSignature,ForceAddEnvelopedSignatureTransform")

# Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
if (success == false)
    print gen.lastErrorText() + "\n";
    exit
end

# Save the signed XMl to a file.
success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",false)

print sbXml.getAsString() + "\n";

# ----------------------------------------
# Verify the signature we just produced...
verifier = Chilkat::CkXmlDSig.new()
success = verifier.LoadSignatureSb(sbXml)
if (success == false)
    print verifier.lastErrorText() + "\n";
    exit
end

verified = verifier.VerifySignature(true)
if (verified != true)
    print verifier.lastErrorText() + "\n";
    exit
end

print "This signature was successfully verified." + "\n";