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Export Public Key to RSA DER, OpenSSL DER/PEM, XML
Demonstrates how to export a digital certificate's public key to RSA DER, OpenSSL PEM or DER, or to XML format. Chilkat.Cert cert = new Chilkat.Cert(); // Th LoadByCommonName method searches the Windows // Current User Certificate Store and Local Machine Certificate // Store for a certificate whose common name (CN) matches // the argument: bool success; success = cert.LoadByCommonName("Chilkat Software, Inc."); if (success == false) { MessageBox.Show("Failed to find certificate!"); } else { // Get the PublicKey object: Chilkat.PublicKey pkey; pkey = cert.ExportPublicKey(); if (!(pkey == null )) { // Export the public key to an RSA DER file: pkey.SaveRsaDerFile("pubkey_rsa.der"); // Export to an OpenSSL DER file: pkey.SaveOpenSslDerFile("pubkey_openssl.der"); // Export to an OpenSSL PEM file: pkey.SaveOpenSslPemFile("pubkey_openssl.pem"); // Export to an XML file: pkey.SaveXmlFile("pubkey.xml"); // Get OpenSSL PEM string: textBox1.Text += "OpenSSL PEM Public Key:" + "\r\n"; textBox1.Refresh(); textBox1.Text += pkey.GetOpenSslPem() + "\r\n"; textBox1.Refresh(); } else { MessageBox.Show("No public key found!"); } } // The Chilkat Certificate, Certificate Store, Private Key, // Public Key, and Key Container classes / objects are freeware. // They are used by and included with the Chilkat Email, // Crypt, S/MIME, and other commercial Chilkat components. |
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