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(PHP Extension) Load EC Public Key from X,Y Values (easier)Demonstrates how to load an ECDSA public key from X and Y values using the LoadEcdsa method introduced in Chilkat v9.5.0.85.
<?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"); // Note: This example requires Chilkat v9.5.0.85 or greater. // We have the following x and y values in hex (for an EC point on the P-256 curve). $x = '1ccbe91c075fc7f4f033bfa248db8fccd3565de94bbfb12f3c59ff46c271bf83'; $y = 'ce4014c68811f9a21a1fdb2c0e6113e06db7ca93b7404e78dc7ccd5ca89a4ca9'; $pubkey = new CkPublicKey(); $success = $pubkey->LoadEcdsa('secp256r1',$x,$y); if ($success == false) { print $pubkey->lastErrorText() . "\n"; exit; } print 'Success.' . "\n"; ?> |
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