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(PowerShell) Get PDF DSS (Document Security Store)See more PDF Signatures ExamplesThis example demonstrates how to extract the information from a PDF's DSS (Document Security Store), if a /DSS exists. (Just because a PDF is signed does not mean a /DSS will exists. In fact, the /DSS is typically created at the point of adding the 2nd or greater signature because the /DSS contains LTV (long term validation) information about the previous signature at the time of adding an additional signature.) Note: This example requires Chilkat v9.5.0.85 or greater.
Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll" # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $pdf = New-Object Chilkat.Pdf $success = $pdf.LoadFile("qa_data/pdf/sign_testing_1/helloSigned2.pdf") if ($success -eq $false) { $($pdf.LastErrorText) exit } $json = New-Object Chilkat.JsonObject $json.EmitCompact = $false $success = $pdf.GetDss($json) $($json.Emit()) # The document security store contains certificates, OCSP responses, and CRLs. # The following JSON is a sample of what the /DSS can contain. # Unfortunately, our sample contains /Certs and /OCSPs, but no /CRLs. # It's no problem because whatever JSON you get back, you can use the # following online tool to generate code to parse. # Generate Parsing Code from JSON # The code generated by the online tool for this JSON is shown below.. # { # "/VRI": { # "/EC5BB34CC1F8A0C5FE674427E16E313A08C80808": {} # }, # "/Certs": [ # { # "serial": "02", # "validFrom": "2011-08-07T19:00:00-05:00", # "validTo": "2021-08-10T23:59:59-05:00", # "expired": false, # "subject": { # "CN": "XYZ Corporation", # "O": "XYZ" # }, # "issuer": { # "CN": "XYZ Corporation", # "O": "XYZ" # }, # "keyType": "RSA", # "keySize": "2048", # "der": "MIIDz...Q4Zt" # }, # { # "serial": "01", # "validFrom": "2011-08-07T19:00:00-05:00", # "validTo": "2021-08-10T23:59:59-05:00", # "expired": false, # "subject": { # "CN": "XYZ Corporation", # "O": "XYZ" # }, # "issuer": { # "CN": "XYZ Corporation", # "O": "XYZ" # }, # "keyType": "RSA", # "keySize": "2048", # "der": "MIID...jXYFc=" # }, # { # "serial": "0AA125D6D6321B7E41E405DA3697C215", # "validFrom": "2016-01-07T06:00:00-06:00", # "validTo": "2031-01-07T12:00:00-06:00", # "expired": false, # "subject": { # "CN": "DigiCert SHA2 Assured ID Timestamping CA", # "OU": "www.digicert.com", # "O": "DigiCert Inc", # "C": "US" # }, # "issuer": { # "CN": "DigiCert Assured ID Root CA", # "OU": "www.digicert.com", # "O": "DigiCert Inc", # "C": "US" # }, # "keyType": "RSA", # "keySize": "2048", # "der": "MIIF...OUg==" # }, # { # "serial": "04CD3F8568AE76C61BB0FE7160CCA76D", # "validFrom": "2019-09-30T19:00:00-05:00", # "validTo": "2030-10-17T00:00:00-05:00", # "expired": false, # "subject": { # "CN": "TIMESTAMP-SHA256-2019-10-15", # "O": "DigiCert, Inc.", # "C": "US" # }, # "issuer": { # "CN": "DigiCert SHA2 Assured ID Timestamping CA", # "OU": "www.digicert.com", # "O": "DigiCert Inc", # "C": "US" # }, # "keyType": "RSA", # "keySize": "2048", # "der": "MIIG...MJtPc=" # }, # { # "serial": "0CE7E0E517D846FE8FE560FC1BF03039", # "validFrom": "2006-11-09T18:00:00-06:00", # "validTo": "2031-11-10T00:00:00-06:00", # "expired": false, # "subject": { # "CN": "DigiCert Assured ID Root CA", # "OU": "www.digicert.com", # "O": "DigiCert Inc", # "C": "US" # }, # "issuer": { # "CN": "DigiCert Assured ID Root CA", # "OU": "www.digicert.com", # "O": "DigiCert Inc", # "C": "US" # }, # "keyType": "RSA", # "keySize": "2048", # "der": "MIIDt...FL6Lw8g==" # }, # { # "serial": "E4D34D01798BE686424AF7F6F0C3BF41", # "validFrom": "2015-03-24T10:58:16-05:00", # "validTo": "2039-12-31T23:59:59-06:00", # "expired": false, # "subject": { # "CN": "www.xyz.com" # }, # "issuer": { # "CN": "www.xyz.com" # }, # "keyType": "RSA", # "keySize": "1024", # "der": "MIIB9DCCAWG...UR10lz" # } # ], # "/OCSPs": [ # { # "responseStatus": 0, # "responseTypeOid": "1.3.6.1.5.5.7.48.1.1", # "responseTypeName": "ocspBasic", # "response": { # "responderIdChoice": "KeyHash", # "responderKeyHash": "Reuir/SSy4IxLVGLp6chnfNtyA8=", # "dateTime": "20201005173921Z", # "cert": [ # { # "hashOid": "1.3.14.3.2.26", # "hashAlg": "SHA-1", # "issuerNameHash": "98S+C0C1w0QzPT+uuU1uONr67FE=", # "issuerKeyHash": "Reuir/SSy4IxLVGLp6chnfNtyA8=", # "serialNumber": "0AA125D6D6321B7E41E405DA3697C215", # "status": 0, # "thisUpdate": "20201005173921Z", # "nextUpdate": "20201012173921Z" # } # ] # } # }, # { # "responseStatus": 0, # "responseTypeOid": "1.3.6.1.5.5.7.48.1.1", # "responseTypeName": "ocspBasic", # "response": { # "responderIdChoice": "KeyHash", # "responderKeyHash": "9LbhIB3+Ka7S5GGlsqIlssgXNW4=", # "dateTime": "20201006114501Z", # "cert": [ # { # "hashOid": "1.3.14.3.2.26", # "hashAlg": "SHA-1", # "issuerNameHash": "+YYA+KSr7NIxRSxCjUNQo25SyD0=", # "issuerKeyHash": "9LbhIB3+Ka7S5GGlsqIlssgXNW4=", # "serialNumber": "04CD3F8568AE76C61BB0FE7160CCA76D", # "status": 0, # "thisUpdate": "20201006114501Z", # "nextUpdate": "20201013110001Z" # } # ] # } # } # ] # } $responseDateTime = New-Object Chilkat.DtObj $thisUpdate = New-Object Chilkat.DtObj $nextUpdate = New-Object Chilkat.DtObj $i = 0 $count_i = $json.SizeOfArray("/Certs") while ($i -lt $count_i) { $json.I = $i $serial = $json.StringOf("/Certs[i].serial") $validFrom = $json.StringOf("/Certs[i].validFrom") $validTo = $json.StringOf("/Certs[i].validTo") $expired = $json.BoolOf("/Certs[i].expired") $subjectCN = $json.StringOf("/Certs[i].subject.CN") $subjectO = $json.StringOf("/Certs[i].subject.O") $issuerCN = $json.StringOf("/Certs[i].issuer.CN") $issuerO = $json.StringOf("/Certs[i].issuer.O") $keyType = $json.StringOf("/Certs[i].keyType") $keySize = $json.StringOf("/Certs[i].keySize") $der = $json.StringOf("/Certs[i].der") $subjectOU = $json.StringOf("/Certs[i].subject.OU") $subjectC = $json.StringOf("/Certs[i].subject.C") $issuerOU = $json.StringOf("/Certs[i].issuer.OU") $issuerC = $json.StringOf("/Certs[i].issuer.C") $i = $i + 1 } $i = 0 $count_i = $json.SizeOfArray("/OCSPs") while ($i -lt $count_i) { $json.I = $i $responseStatus = $json.IntOf("/OCSPs[i].responseStatus") $responseTypeOid = $json.StringOf("/OCSPs[i].responseTypeOid") $responseTypeName = $json.StringOf("/OCSPs[i].responseTypeName") $responseResponderIdChoice = $json.StringOf("/OCSPs[i].response.responderIdChoice") $responseResponderKeyHash = $json.StringOf("/OCSPs[i].response.responderKeyHash") $json.DtOf("/OCSPs[i].response.dateTime",$false,$responseDateTime) $j = 0 $count_j = $json.SizeOfArray("/OCSPs[i].response.cert") while ($j -lt $count_j) { $json.J = $j $hashOid = $json.StringOf("/OCSPs[i].response.cert[j].hashOid") $hashAlg = $json.StringOf("/OCSPs[i].response.cert[j].hashAlg") $issuerNameHash = $json.StringOf("/OCSPs[i].response.cert[j].issuerNameHash") $issuerKeyHash = $json.StringOf("/OCSPs[i].response.cert[j].issuerKeyHash") $serialNumber = $json.StringOf("/OCSPs[i].response.cert[j].serialNumber") $status = $json.IntOf("/OCSPs[i].response.cert[j].status") $json.DtOf("/OCSPs[i].response.cert[j].thisUpdate",$false,$thisUpdate) $json.DtOf("/OCSPs[i].response.cert[j].nextUpdate",$false,$nextUpdate) $j = $j + 1 } $i = $i + 1 } |
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