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(PHP Extension) Generate RSA Key and return Base64 PKCS8 Private KeyDemonstrates how to generate a new 2048-bit RSA private key and returns the Base64 encoded PKCS8 representation of the private key.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); $rsa = new CkRsa(); // Generate a 2048-bit key. Chilkat RSA supports // key sizes ranging from 512 bits to 8192 bits. $success = $rsa->GenerateKey(2048); if ($success != true) { print $rsa->lastErrorText() . "\n"; exit; } // privKey is a CkPrivateKey $privKey = $rsa->ExportPrivateKeyObj(); // Get the private key in PKCS8 Base64 format $privKeyPkcs8Base64 = $privKey->getPkcs8ENC('base64'); // The key in base64 format will start similar to this: // MIIEvAIBADANBgkqhkiG9w0BA... print $privKeyPkcs8Base64 . "\n"; ?> |
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