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(Perl) RSASSA-PSS Algorithm with SHA256 HashingRSA encrypt a SHA256 hash with OAEP padding.
use chilkat(); # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $privkey = chilkat::CkPrivateKey->new(); # 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 != 1) { print $privkey->lastErrorText() . "\r\n"; exit; } $rsa = chilkat::CkRsa->new(); # Use RSA-PSS by setting OaepPadding = 1 $rsa->put_OaepPadding(1); # Use SHA256 $rsa->put_OaepHash("SHA-256"); $rsa->ImportPrivateKeyObj($privkey); # Generate a base64 signature. $rsa->put_EncodingMode("base64"); $sigStr = $rsa->signStringENC("String to be signed","SHA-256"); if ($rsa->get_LastMethodSuccess() != 1) { print $rsa->lastErrorText() . "\r\n"; exit; } print "Signature: " . $sigStr . "\r\n"; |
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