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(PHP ActiveX) Get an Ed25519 Key in Raw Hex FormatDemonstrates how to get the private and public key parts of an Ed25519 key in lowercase hex formmat. Note: This example requires Chilkat v9.5.0.83 or greater.
<?php // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load an Ed25519 key from some format.. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.PrivateKey') $privKey = new COM("Chilkat.PrivateKey"); // This loads an Ed25519 key from an unencrypted PEM file (no password required). $success = $privKey->LoadAnyFormatFile('qa_data/eddsa/ed25519.pem',''); if ($success == 0) { print $privKey->LastErrorText . "\n"; exit; } // The key type should be "ed25519" to indicate an Ed25519 key. print 'key type = ' . $privKey->KeyType . "\n"; // What is the size of the private key in bits? (should always be 256 bits for Ed25519) print 'size in bits = ' . $privKey->BitLength . "\n"; // Get the private and public key parts in raw hex format: // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder') $sbPubKeyHex = new COM("Chilkat.StringBuilder"); $privKeyHex = $privKey->getRawHex($sbPubKeyHex); // We should have a 32-byte private key (a 64 character hex string). print 'private key = ' . $privKeyHex . "\n"; // We should have a 32-byte public key (a 64 character hex string). print 'public key = ' . $sbPubKeyHex->getAsString() . "\n"; // Sample output: // key type = ed25519 // size in bits = 256 // private key = d4ee72dbf913584ad5b6d8f1f769f8ad3afe7c28cbf1d4fbe097a88f44755842 // public key = 19bf44096984cdfe8541bac167dc3b96c85086aa30b6b6cb0c5c38ad703166e1 ?> |
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