ESYAE-imza Kütüphaneleri

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<h1>Signature on iOS</h1> <div class="level1"> <p> Basic Electronic Signature (BES) format is supported on iOS devices. </p> </div> <h2>Notes</h2> <div class="level2"> <ul> <li class="level1"> API depends on Qt.</li> </ul> </div> <h2>Capabilities</h2> <div class="level2"> <ul> <li class="level1"> Signatures can be created with type CAdES-BES.</li> <li class="level2"> Generated signature is saved with name "sig.der" under "Documents" directory of the application.</li> <li class="level2"> License is checked. You are not allowed to sign without a valid license.</li> </ul> </div> <h2>Constraints</h2> <div class="level2"> <ul> <li class="level1"> The document that is going to be signed is digested using SHA-256.</li> <li class="level2"> Created signature will have SigningCertificateV2.</li> <li class="level2"> RSA-with-SHA256 is used as signing algorithm.</li> <li class="level2"> (Card reader restriction).</li> </ul> </div> <h2>Usage</h2> <div class="level2"> <ul> <li class="level1"> Latest version of Qt (5.2.1 and later) must be installed.</li> <li class="level2"> Required content must be added to <code>plist</code> file. ("iTunes file sharing" to reach files under <code>Documents</code> folder from iTunes and for the card reader access "external accessory")</li> </ul> </div> <h2>License</h2> <div class="level2"> <ul> <li class="level1"> License file must be placed under <code>Documents</code> folder of the application.</li> <li class="level2"> Name of the license file must be <code>license.dat</code>.</li> <li class="level2"> Files can be added to <code>Documents</code> folder using iTunes, but before that <code>iTunes file sharing</code> must be activated in <code>plist</code> file.</li> </ul> </div> <h2>Code</h2> <div class="level2"> <ul> <li class="level1"> Interfaces are the same with JAVA and C# libraries.</li> </ul> <ul> <li class="level1"> Session opening process must be done in a seperated thread. Following line is where we start a new thread. For more, refer to <code>NSThread</code> class reference of iOS library from Apple.</li> </ul> <p> <em><</em>sxh c> [NSThread detachNewThreadSelector:@selector(login:) toTarget:(id)self withObject:nil]; <em><</em>/sxh> </p> <ul> <li class="level1"> An instance of SmartCardManager should be created first.</li> </ul> <p> <em><</em>sxh c> SmartCardManager smartCardManager; <em><</em>/sxh> </p> <ul> <li class="level1"> Then session is opened into smart card.</li> </ul> <p> <em><</em>sxh c> smartCardManager.openSession(); <em><</em>/sxh> </p> <ul> <li class="level1"> Certificate that is going to be used for signing is retrieved.</li> </ul> <p> <em><</em>sxh c> ECertificate cert = smartCardManager.getSignatureCertificate(); <em><</em>/sxh> </p> <ul> <li class="level1"> <code>Container</code> object is created to encapsulate the signature object.</li> </ul> <p> <em><</em>sxh c> SignatureContainer *container = new CMSContainer(); <em><</em>/sxh> </p> <ul> <li class="level1"> <code>Signature</code> object is created using the certificate retrieved before.</li> </ul> <p> <em><</em>sxh c> Signature *signature = container→createSignature(cert); <em><</em>/sxh> </p> <ul> <li class="level1"> Content to be signed is generated and added to <code>Signature</code> object. Also whether the content is placed in the signature is determined by boolean value passed to <code>addContent</code> function.</li> </ul> <p> <em><</em>sxh c> Signable *data = new SignableBytes(dataBytes); signature→addContent(data, true); <em><</em>/sxh> </p> <ul> <li class="level1"> İmzalamayı yapacak 'Signer' objesi, akıllı kartın PIN'i ve imzalama yapılacak sertifika verilerek oluşturulur.</li> </ul> <p> <em><</em>sxh c> BaseSigner *signer = smartCardManager.getSigner("12345", cert); <em><</em>/sxh> </p> <ul> <li class="level1"> Son olarak imzalama işlemi yapılır.</li> </ul> <p> <em><</em>sxh c> signature→sign(signer); <em><</em>/sxh> </p> </div>