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(SQL Server) Create XAdES using Smart Card or USB Token

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

Note: This example requires Chilkat v9.5.0.75 or greater. Also, at the time of this writing this example is restricted to the Windows operating system.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    -- ----------------------------------------------------------------------
    -- IMPORTANT: This generated example requires Chilkat v9.5.0.75 or later.
    -- Contact support@chilkatsoft.com for a pre-release.
    -- ----------------------------------------------------------------------

    -- Load the XML to be signed.
    DECLARE @xmlToSign int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Xml', @xmlToSign OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @xmlToSign, 'LoadXmlFile', @success OUT, 'qa_data/fattura_electronica/docToSign.xml'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @xmlToSign, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xmlToSign
        RETURN
      END

    DECLARE @gen int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.XmlDSigGen', @gen OUT

    EXEC sp_OASetProperty @gen, 'SigLocation', 'p:FatturaElettronica'
    EXEC sp_OASetProperty @gen, 'SigId', 'xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504'
    EXEC sp_OASetProperty @gen, 'SigNamespacePrefix', 'ds'
    EXEC sp_OASetProperty @gen, 'SigNamespaceUri', 'http://www.w3.org/2000/09/xmldsig#'
    EXEC sp_OASetProperty @gen, 'SigValueId', 'xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-sigvalue'
    EXEC sp_OASetProperty @gen, 'SignedInfoCanonAlg', 'C14N'
    EXEC sp_OASetProperty @gen, '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.
    DECLARE @object1 int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Xml', @object1 OUT

    EXEC sp_OASetProperty @object1, 'Tag', 'xades:QualifyingProperties'
    EXEC sp_OAMethod @object1, 'AddAttribute', @success OUT, 'xmlns:xades', 'http://uri.etsi.org/01903/v1.3.2#'
    EXEC sp_OAMethod @object1, 'AddAttribute', @success OUT, 'xmlns:xades141', 'http://uri.etsi.org/01903/v1.4.1#'
    EXEC sp_OAMethod @object1, 'AddAttribute', @success OUT, 'Target', '#xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504'
    EXEC sp_OAMethod @object1, 'UpdateAttrAt', @success OUT, 'xades:SignedProperties', 1, 'Id', 'xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops'
    EXEC sp_OAMethod @object1, 'UpdateChildContent', NULL, 'xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime', 'TO BE GENERATED BY CHILKAT'
    EXEC sp_OAMethod @object1, 'UpdateAttrAt', @success OUT, 'xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod', 1, 'Algorithm', 'http://www.w3.org/2001/04/xmlenc#sha256'
    EXEC sp_OAMethod @object1, 'UpdateChildContent', NULL, 'xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue', 'TO BE GENERATED BY CHILKAT'
    EXEC sp_OAMethod @object1, 'UpdateChildContent', NULL, 'xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName', 'TO BE GENERATED BY CHILKAT'
    EXEC sp_OAMethod @object1, 'UpdateChildContent', NULL, 'xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber', 'TO BE GENERATED BY CHILKAT'

    EXEC sp_OAMethod @object1, 'GetXml', @sTmp0 OUT
    EXEC sp_OAMethod @gen, 'AddObject', @success OUT, '', @sTmp0, '', ''

    -- -------- Reference 1 --------
    EXEC sp_OASetProperty @gen, 'KeyInfoId', 'xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo'
    EXEC sp_OAMethod @gen, 'AddSameDocRef', @success OUT, 'xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo', 'sha256', '', '', ''

    -- -------- Reference 2 --------
    EXEC sp_OAMethod @gen, 'AddSameDocRef', @success OUT, '', 'sha256', '', '', ''
    EXEC sp_OAMethod @gen, 'SetRefIdAttr', @success OUT, '', 'xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-ref0'

    -- -------- Reference 3 --------
    EXEC sp_OAMethod @gen, 'AddObjectRef', @success OUT, '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
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Cert', @cert OUT

    EXEC sp_OAMethod @cert, 'LoadByCommonName', @success OUT, 'The cert Subject CN'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xmlToSign
        EXEC @hr = sp_OADestroy @gen
        EXEC @hr = sp_OADestroy @object1
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    --  You may provide the PIN here.  Otherwise Windows will display a PIN dialog.
    EXEC sp_OASetProperty @cert, 'SmartCardPin', '000000'

    EXEC sp_OAMethod @gen, 'SetX509Cert', @success OUT, @cert, 1
    EXEC sp_OASetProperty @gen, 'KeyInfoType', 'X509Data'
    EXEC sp_OASetProperty @gen, 'X509Type', 'Certificate'

    -- Load XML to be signed...
    DECLARE @sbXml int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbXml OUT

    EXEC sp_OAMethod @xmlToSign, 'GetXmlSb', @success OUT, @sbXml

    EXEC sp_OASetProperty @gen, 'Behaviors', 'IndentedSignature,ForceAddEnvelopedSignatureTransform'

    -- Sign the XML...
    EXEC sp_OAMethod @gen, 'CreateXmlDSigSb', @success OUT, @sbXml
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @gen, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xmlToSign
        EXEC @hr = sp_OADestroy @gen
        EXEC @hr = sp_OADestroy @object1
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @sbXml
        RETURN
      END

    -- Save the signed XMl to a file.
    EXEC sp_OAMethod @sbXml, 'WriteFile', @success OUT, 'qa_output/signedXml.xml', 'utf-8', 0

    EXEC sp_OAMethod @sbXml, 'GetAsString', @sTmp0 OUT
    PRINT @sTmp0

    -- ----------------------------------------
    -- Verify the signature we just produced...
    DECLARE @verifier int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.XmlDSig', @verifier OUT

    EXEC sp_OAMethod @verifier, 'LoadSignatureSb', @success OUT, @sbXml
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @verifier, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xmlToSign
        EXEC @hr = sp_OADestroy @gen
        EXEC @hr = sp_OADestroy @object1
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @sbXml
        EXEC @hr = sp_OADestroy @verifier
        RETURN
      END

    DECLARE @verified int
    EXEC sp_OAMethod @verifier, 'VerifySignature', @verified OUT, 1
    IF @verified <> 1
      BEGIN
        EXEC sp_OAGetProperty @verifier, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xmlToSign
        EXEC @hr = sp_OADestroy @gen
        EXEC @hr = sp_OADestroy @object1
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @sbXml
        EXEC @hr = sp_OADestroy @verifier
        RETURN
      END

    PRINT 'This signature was successfully verified.'

    EXEC @hr = sp_OADestroy @xmlToSign
    EXEC @hr = sp_OADestroy @gen
    EXEC @hr = sp_OADestroy @object1
    EXEC @hr = sp_OADestroy @cert
    EXEC @hr = sp_OADestroy @sbXml
    EXEC @hr = sp_OADestroy @verifier


END
GO

 

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