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(Perl) Generate an RSA Key and Get as Base64 DERDemonstrates how to generate a 2048-bit RSA key and return the public and private parts as unencrypted Base64 encoded DER. 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(); # Generate a 2048-bit key. $privKey = chilkat::CkPrivateKey->new(); $success = $rsa->GenKey(2048,$privKey); if ($success == 0) { print $rsa->lastErrorText() . "\r\n"; exit; } # Get the public part of the key. $pubKey = chilkat::CkPublicKey->new(); $privKey->ToPublicKey($pubKey); # There are two possible formats for representing the RSA public key # in ASN.1 (DER). The possible formats are PKCS1 and PKCS8. # We can get either by setting bChoosePkcs1 to 1 or 0. $bChoosePkcs1 = 1; $pubKeyBase64Der = $pubKey->getEncoded($bChoosePkcs1,"base64"); print "Public Key Base64 DER:" . "\r\n"; print $pubKeyBase64Der . "\r\n"; # Get the private key as Base64 DER: # We can get PKCS1 or PKCS8, but with different methods: $privKeyPkcs1 = $privKey->getPkcs1ENC("base64"); print "Private Key PKCS1 Base64 DER:" . "\r\n"; print $privKeyPkcs1 . "\r\n"; $privKeyPkcs8 = $privKey->getPkcs8ENC("base64"); print "Private Key PKCS8 Base64 DER:" . "\r\n"; print $privKeyPkcs8 . "\r\n"; |
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