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(Swift 2) 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.
func chilkatTest() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let pdf = CkoPdf() var success: Bool = pdf.LoadFile("qa_data/pdf/sign_testing_1/helloSigned2.pdf") if success == false { print("\(pdf.LastErrorText)") return } let json = CkoJsonObject() json.EmitCompact = false success = pdf.GetDss(json) print("\(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" // } // ] // } // } // ] // } let responseDateTime = CkoDtObj() let thisUpdate = CkoDtObj() let nextUpdate = CkoDtObj() var serial: String? var validFrom: String? var validTo: String? var expired: Bool var subjectCN: String? var subjectO: String? var issuerCN: String? var issuerO: String? var keyType: String? var keySize: String? var der: String? var subjectOU: String? var subjectC: String? var issuerOU: String? var issuerC: String? var responseStatus: Int var responseTypeOid: String? var responseTypeName: String? var responseResponderIdChoice: String? var responseResponderKeyHash: String? var j: Int var count_j: Int var hashOid: String? var hashAlg: String? var issuerNameHash: String? var issuerKeyHash: String? var serialNumber: String? var status: Int var i: Int = 0 var count_i: Int = json.SizeOfArray("/Certs").intValue while i < 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").intValue while i < count_i { json.I = i responseStatus = json.IntOf("/OCSPs[i].responseStatus").intValue 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", bLocal: false, dt: responseDateTime) j = 0 count_j = json.SizeOfArray("/OCSPs[i].response.cert").intValue while j < 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").intValue json.DtOf("/OCSPs[i].response.cert[j].thisUpdate", bLocal: false, dt: thisUpdate) json.DtOf("/OCSPs[i].response.cert[j].nextUpdate", bLocal: false, dt: nextUpdate) j = j + 1 } i = i + 1 } } |
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