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(Swift 3,4,5...) Sign a File to Create a .p7s (Detached Signature)Swift 3,4,5... example to create a detached signature file (.p7s) for any type file. The signature can be verified by calling VerifyP7S and passing the original filename and the .p7s filename.
func chilkatTest() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let crypt = CkoCrypt2()! // Use a digital certificate and private key from a PFX file (.pfx or .p12). var signingCertSubject: String? = "Acme Inc" var pfxFilename: String? = "/Users/chilkat/testData/pfx/acme.pfx" var pfxPassword: String? = "test123" let certStore = CkoCertStore()! var success: Bool = certStore.loadPfxFile(pfxFilename, password: pfxPassword) if success != true { print("\(certStore.lastErrorText!)") return } var cert: CkoCert? = certStore.findCert(bySubjectCN: signingCertSubject) if certStore.lastMethodSuccess == false { print("Failed to find certificate by subject common name.") return } // Tell the crypt component to use this cert. success = crypt.setSigning(cert) // We can sign any type of file, creating a .p7s as output: var inFile: String? = "/Users/chilkat/testData/pdf/sample.pdf" var sigFile: String? = "/Users/chilkat/testData/p7s/sample.p7s" success = crypt.createP7S(inFile, p7sPath: sigFile) if success == false { print("\(crypt.lastErrorText!)") cert = nil return } success = crypt.verifyP7S(inFile, p7sPath: sigFile) if success == false { print("\(crypt.lastErrorText!)") cert = nil return } cert = nil print("Success!") } |
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