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(PHP Extension) RSASSA-PSS Algorithm with SHA256 HashingRSA encrypt a SHA256 hash with OAEP padding. Note: This example requires Chilkat v11.0.0 or greater.
<?php include("chilkat.php"); $success = false; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $privkey = new CkPrivateKey(); // Load the private key object from a PEM file. // (To load from a PEM string, call LoadPem instead.) $success = $privkey->LoadPemFile('somePath/myPrivateKey.pem'); if ($success == false) { print $privkey->lastErrorText() . "\n"; exit; } $rsa = new CkRsa(); // Use RSA-PSS by setting OaepPadding = true $rsa->put_OaepPadding(true); // Use SHA256 $rsa->put_OaepHash('SHA-256'); $rsa->UsePrivateKey($privkey); // Generate a base64 signature. $rsa->put_EncodingMode('base64'); $sigStr = $rsa->signStringENC('String to be signed','SHA-256'); if ($rsa->get_LastMethodSuccess() == false) { print $rsa->lastErrorText() . "\n"; exit; } print 'Signature: ' . $sigStr . "\n"; ?> |
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