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SQL Server

IPS MX Signature - Digitally Sign MX Document

See more XML Digital Signatures Examples

Demonstrates how to digitally sign ISO 20022 SWIFT MX messages.

Chilkat SQL Server Downloads

SQL Server
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    SELECT @success = 1

    -- First create the XML to be signed, or load it from a file, or a string,

    -- To load XML from a file:
    DECLARE @xmlToSign int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xmlToSign OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @xmlToSign, 'LoadXmlFile', @success OUT, 'c:/someDir/mx_document.xml'

    -- Or to load XML from a string
    EXEC sp_OAMethod @xmlToSign, 'LoadXml', @success OUT, '...'

    -- Or create the XML directly.
    EXEC sp_OAMethod @xmlToSign, 'Clear', NULL

    -- Use this online tool to generate code from sample XML: 
    -- Generate Code to Create XML

    EXEC sp_OASetProperty @xmlToSign, 'Tag', 'DataPDU'
    EXEC sp_OAMethod @xmlToSign, 'AddAttribute', @success OUT, 'xmlns', 'urn:cma:stp:xsd:stp.1.0'
    EXEC sp_OAMethod @xmlToSign, 'UpdateAttrAt', @success OUT, 'Body|AppHdr', 1, 'xmlns', 'urn:iso:std:iso:20022:tech:xsd:head.001.001.01'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|AppHdr|Fr|FIId|FinInstnId|BICFI', 'ZZZZZZZZ'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|AppHdr|To|FIId|FinInstnId|BICFI', 'YYYYYYYYYY'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|AppHdr|BizMsgIdr', 'ZZZZZZZZAXXX999999999999999999999'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|AppHdr|MsgDefIdr', 'pacs.008.001.08'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|AppHdr|BizSvc', 'IPS'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|AppHdr|CreDt', '2017-09-13T18:18:00Z'
    EXEC sp_OAMethod @xmlToSign, 'UpdateAttrAt', @success OUT, 'Body|Document', 1, 'xmlns', 'urn:iso:std:iso:20022:tech:xsd:pacs.008.001.08'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|GrpHdr|MsgId', 'ZZZZZZZZAXXX999999999999999999999'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|GrpHdr|CreDtTm', '2017-09-13T18:18:00'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|GrpHdr|NbOfTxs', '1'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|GrpHdr|SttlmInf|SttlmMtd', 'CLRG'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtId|EndToEndId', 'NOTPROVIDED'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtId|TxId', 'ZZZZZZZZAXXX999999999999999999999'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtTpInf|ClrChanl', 'RTNS'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtTpInf|LclInstrm|Prtry', 'CSCT'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|PmtTpInf|CtgyPurp|Prtry', '001'
    EXEC sp_OAMethod @xmlToSign, 'UpdateAttrAt', @success OUT, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|IntrBkSttlmAmt', 1, 'Ccy', 'JOD'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|IntrBkSttlmAmt', '71.12'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|IntrBkSttlmDt', '2018-01-14'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|ChrgBr', 'SLEV'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|InstgAgt|FinInstnId|BICFI', 'ZZZZZZZZ'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|InstdAgt|FinInstnId|BICFI', 'UBSIJOA0'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Dbtr|Nm', 'John Johnson'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAcct|Id|IBAN', 'JO22CITI00000000000555555555'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgt|FinInstnId|BICFI', 'ZZZZZZZZ'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgt|FinInstnId|Othr|Id', '200004'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgt|FinInstnId|Othr|SchmeNm|Prtry', '1700099999'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|DbtrAgtAcct|Id|IBAN', 'JO66CITI22222222222222222222'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgt|FinInstnId|BICFI', 'UBSIJOA0'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgt|FinInstnId|Othr|Id', '210027'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgt|FinInstnId|Othr|SchmeNm|Prtry', '1400199999'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAgtAcct|Id|IBAN', 'JO44UBSI33333333333333333333'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Cdtr|Nm', 'Omega Jones'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|CdtrAcct|Id|IBAN', 'JO95UBSI00000000000777777777'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|InstrForNxtAgt|InstrInf', '/BNF/Details'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Purp|Prtry', '5814'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RgltryRptg|Dtls|Inf', 'SOMEINFORMATIONABOUTPAYMENT-1'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RgltryRptg|Dtls|Inf[1]', 'SOMEINFORMATIONABOUTPAYMENT-2'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RgltryRptg|Dtls|Inf[2]', 'SOMEINFORMATIONABOUTPAYMENT-3'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Tax|Cdtr|TaxId', '9900083901'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|Tax|Dbtr|TaxId', '1000387561'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RmtInf|Ustrd', 'EDV UCUN ODENIR'
    EXEC sp_OAMethod @xmlToSign, 'UpdateChildContent', NULL, 'Body|Document|FIToFICstmrCdtTrf|CdtTrfTxInf|RmtInf|Ustrd[1]', 'EXTRA INFO'

    -- The following XML is to be signed:

    -- <?xml version="1.0" encoding="UTF-8"?>
    -- <DataPDU xmlns="urn:cma:stp:xsd:stp.1.0">
    -- 	<Body>
    -- 		<AppHdr xmlns="urn:iso:std:iso:20022:tech:xsd:head.001.001.01">
    -- 			<Fr>
    -- 				<FIId>
    -- 					<FinInstnId>
    -- 						<BICFI>ZZZZZZZZ</BICFI>
    -- 					</FinInstnId>
    -- 				</FIId>
    -- 			</Fr>
    -- 			<To>
    -- 				<FIId>
    -- 					<FinInstnId>
    -- 						<BICFI>YYYYYYYYYY</BICFI>
    -- 					</FinInstnId>
    -- 				</FIId>
    -- 			</To>
    -- 			<BizMsgIdr>ZZZZZZZZAXXX999999999999999999999</BizMsgIdr>
    -- 			<MsgDefIdr>pacs.008.001.08</MsgDefIdr>
    -- 			<BizSvc>IPS</BizSvc>
    -- 			<CreDt>2017-09-13T18:18:00Z</CreDt>
    -- 		</AppHdr>
    -- 		<Document xmlns="urn:iso:std:iso:20022:tech:xsd:pacs.008.001.08">
    -- 			<FIToFICstmrCdtTrf>
    -- 				<GrpHdr>
    -- 					<MsgId>ZZZZZZZZAXXX999999999999999999999</MsgId>
    -- 					<CreDtTm>2017-09-13T18:18:00</CreDtTm>
    -- 					<NbOfTxs>1</NbOfTxs>
    -- 					<SttlmInf>
    -- 						<SttlmMtd>CLRG</SttlmMtd>
    -- 					</SttlmInf>
    -- 				</GrpHdr>
    -- 				<CdtTrfTxInf>
    -- 					<PmtId>
    -- 						<EndToEndId>NOTPROVIDED</EndToEndId>
    -- 						<TxId>ZZZZZZZZAXXX999999999999999999999</TxId>
    -- 					</PmtId>
    -- 					<PmtTpInf>
    -- 						<ClrChanl>RTNS</ClrChanl>
    -- 						<LclInstrm>
    -- 							<Prtry>CSCT</Prtry>
    -- 						</LclInstrm>
    -- 						<CtgyPurp>
    -- 							<Prtry>001</Prtry>
    -- 						</CtgyPurp>
    -- 					</PmtTpInf>
    -- 					<IntrBkSttlmAmt Ccy="JOD">71.12</IntrBkSttlmAmt>
    -- 					<IntrBkSttlmDt>2018-01-14</IntrBkSttlmDt>
    -- 					<ChrgBr>SLEV</ChrgBr>
    -- 					<InstgAgt>
    -- 						<FinInstnId>
    -- 							<BICFI>ZZZZZZZZ</BICFI>
    -- 						</FinInstnId>
    -- 					</InstgAgt>
    -- 					<InstdAgt>
    -- 						<FinInstnId>
    -- 							<BICFI>UBSIJOA0</BICFI>
    -- 						</FinInstnId>
    -- 					</InstdAgt>
    -- 					<Dbtr>
    -- 						<Nm>John Johnson</Nm>
    -- 					</Dbtr>
    -- 					<DbtrAcct>
    -- 						<Id>
    -- 							<IBAN>JO22CITI00000000000555555555</IBAN>
    -- 						</Id>
    -- 					</DbtrAcct>
    -- 					<DbtrAgt>
    -- 						<FinInstnId>
    -- 							<BICFI>ZZZZZZZZ</BICFI>
    -- 							<Othr>
    -- 								<Id>200004</Id>
    -- 								<SchmeNm>
    -- 									<Prtry>1700089999</Prtry>
    -- 								</SchmeNm>
    -- 							</Othr>
    -- 						</FinInstnId>
    -- 					</DbtrAgt>
    -- 					<DbtrAgtAcct>
    -- 						<Id>
    -- 							<IBAN>JO66CITI22222222222222222222</IBAN>
    -- 						</Id>
    -- 					</DbtrAgtAcct>
    -- 					<CdtrAgt>
    -- 						<FinInstnId>
    -- 							<BICFI>UBSIJOA0</BICFI>
    -- 							<Othr>
    -- 								<Id>210027</Id>
    -- 								<SchmeNm>
    -- 									<Prtry>1400199999</Prtry>
    -- 								</SchmeNm>
    -- 							</Othr>
    -- 						</FinInstnId>
    -- 					</CdtrAgt>
    -- 					<CdtrAgtAcct>
    -- 						<Id>
    -- 							<IBAN>JO44UBSI33333333333333333333</IBAN>
    -- 						</Id>
    -- 					</CdtrAgtAcct>
    -- 					<Cdtr>
    -- 						<Nm>Omega Jones</Nm>
    -- 					</Cdtr>
    -- 					<CdtrAcct>
    -- 						<Id>
    -- 							<IBAN>JO95UBSI00000000000777777777</IBAN>
    -- 						</Id>
    -- 					</CdtrAcct>
    -- 					<InstrForNxtAgt>
    -- 						<InstrInf>/BNF/Details</InstrInf>
    -- 					</InstrForNxtAgt>
    -- 					<Purp>
    -- 						<Prtry>5814</Prtry>
    -- 					</Purp>
    -- 					<RgltryRptg>
    -- 						<Dtls>
    -- 							<Inf>SOMEINFORMATIONABOUTPAYMENT-1</Inf>
    -- 							<Inf>SOMEINFORMATIONABOUTPAYMENT-2</Inf>
    -- 							<Inf>SOMEINFORMATIONABOUTPAYMENT-3</Inf>
    -- 						</Dtls>
    -- 					</RgltryRptg>
    -- 					<Tax>
    -- 						<Cdtr>
    -- 							<TaxId>9900083901</TaxId>
    -- 						</Cdtr>
    -- 						<Dbtr>
    -- 							<TaxId>1000387561</TaxId>
    -- 						</Dbtr>
    -- 					</Tax>
    -- 					<RmtInf>
    -- 						<Ustrd>EDV UCUN ODENIR</Ustrd>
    -- 						<Ustrd>EXTRA INFO</Ustrd>
    -- 					</RmtInf>
    -- 				</CdtTrfTxInf>
    -- 			</FIToFICstmrCdtTrf>
    -- 		</Document>
    -- 	</Body>
    -- </DataPDU>

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

    EXEC sp_OASetProperty @gen, 'SigLocation', 'DataPDU|Body|AppHdr|Sgntr'
    EXEC sp_OASetProperty @gen, 'SigLocationMod', 0
    EXEC sp_OASetProperty @gen, 'SigNamespacePrefix', 'ds'
    EXEC sp_OASetProperty @gen, 'SigNamespaceUri', 'http://www.w3.org/2000/09/xmldsig#'
    EXEC sp_OASetProperty @gen, 'SignedInfoCanonAlg', 'EXCL_C14N'
    EXEC sp_OASetProperty @gen, 'SignedInfoDigestMethod', 'sha256'

    -- Set the KeyInfoId before adding references..
    EXEC sp_OASetProperty @gen, 'KeyInfoId', '_f9f2c543-e50a-4a50-bd91-50155d27f7e2'

    -- Create an Object to be added to the Signature.
    DECLARE @object1 int
    EXEC @hr = sp_OACreate 'Chilkat.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, 'UpdateAttrAt', @success OUT, 'xades:SignedProperties', 1, 'Id', '_4ed8e0ed-f47c-4262-909b-0458532ce7aa-signedprops'
    EXEC sp_OAMethod @object1, 'UpdateChildContent', NULL, 'xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime', 'TO BE GENERATED BY CHILKAT'

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

    -- -------- Reference 1 --------
    EXEC sp_OAMethod @gen, 'AddSameDocRef', @success OUT, '_f9f2c543-e50a-4a50-bd91-50155d27f7e2', 'sha256', 'EXCL_C14N', '', ''

    -- -------- Reference 2 --------
    EXEC sp_OAMethod @gen, 'AddObjectRef', @success OUT, '_4ed8e0ed-f47c-4262-909b-0458532ce7aa-signedprops', 'sha256', 'EXCL_C14N', '', 'http://uri.etsi.org/01903/v1.3.2#SignedProperties'

    -- -------- Reference 3 --------
    EXEC sp_OAMethod @gen, 'AddSameDocRef', @success OUT, '', 'sha256', 'EXCL_C14N', '', ''

    -- Provide a certificate + private key. (PFX password is test123)
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT

    EXEC sp_OAMethod @cert, 'LoadPfxFile', @success OUT, 'qa_data/pfx/cert_test123.pfx', 'test123'
    IF @success = 0
      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

    EXEC sp_OAMethod @gen, 'SetX509Cert', @success OUT, @cert, 1

    EXEC sp_OASetProperty @gen, 'KeyInfoType', 'X509Data'
    EXEC sp_OASetProperty @gen, 'X509Type', 'IssuerSerial'

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

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

    -- Can alternatively use "CompactSignedXml"
    EXEC sp_OASetProperty @gen, 'Behaviors', 'IndentedSignature,LocalSigningTime'

    -- Sign the XML...
    EXEC sp_OAMethod @gen, 'CreateXmlDSigSb', @success OUT, @sbXml
    IF @success = 0
      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/mx_signed.xml', 'utf-8', 0

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

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

    EXEC sp_OAMethod @verifier, 'LoadSignatureSb', @success OUT, @sbXml
    IF @success = 0
      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

    -- Important: The above signature did not include the full X.509 certificate.
    -- You must call verifier.SetPublicKey to provide the public key of the certificate required for validation.

    DECLARE @verifyCert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @verifyCert OUT

    EXEC sp_OAMethod @verifyCert, 'LoadFromFile', @success OUT, 'qa_data/certs/cert_test123.cer'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @verifyCert, '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
        EXEC @hr = sp_OADestroy @verifyCert
        RETURN
      END

    DECLARE @pubKey int
    EXEC @hr = sp_OACreate 'Chilkat.PublicKey', @pubKey OUT

    EXEC sp_OAMethod @verifyCert, 'GetPublicKey', @success OUT, @pubKey

    EXEC sp_OAMethod @verifier, 'SetPublicKey', @success OUT, @pubKey

    DECLARE @numSigs int
    EXEC sp_OAGetProperty @verifier, 'NumSignatures', @numSigs OUT
    DECLARE @verifyIdx int
    SELECT @verifyIdx = 0
    WHILE @verifyIdx < @numSigs
      BEGIN
        EXEC sp_OASetProperty @verifier, 'Selector', @verifyIdx
        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
            EXEC @hr = sp_OADestroy @verifyCert
            EXEC @hr = sp_OADestroy @pubKey
            RETURN
          END
        SELECT @verifyIdx = @verifyIdx + 1
      END

    PRINT 'All signatures were 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
    EXEC @hr = sp_OADestroy @verifyCert
    EXEC @hr = sp_OADestroy @pubKey


END
GO