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(Perl) RSA OAEP PaddingDemonstrates how to use OAEP padding with the RSA encryption algorithm. More information about OAEP Padding. Note: This example requires Chilkat v11.0.0 or greater.
use chilkat(); $success = 0; # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $rsa = chilkat::CkRsa->new(); # RSA public key in XML format: $pubKeyXml = "<RSAPublicKey><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>"; $pubKey = chilkat::CkPublicKey->new(); $success = $pubKey->LoadFromString($pubKeyXml); if ($success == 0) { print $pubKey->lastErrorText() . "\r\n"; exit; } $success = $rsa->UsePublicKey($pubKey); if ($success == 0) { print $rsa->lastErrorText() . "\r\n"; exit; } # To use Optimal Asymmetric Encryption Padding (OAEP) padding, # simply set the PkcsPadding property to 0 $rsa->put_PkcsPadding(0); # Encrypt a string and return the encrypted data base64-encoded: $rsa->put_EncodingMode("base64"); $plainText = "RSA Encryption should be easy."; $usePrivateKey = 0; $encryptedStr = $rsa->encryptStringENC($plainText,$usePrivateKey); print $encryptedStr . "\r\n"; |
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