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(Perl) RSA Encrypt and OpenSSL DecryptDemonstrates how to use Chilkat to RSA encrypt, and then use OpenSSL to decrypt.
use chilkat(); # This requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $rsa = chilkat::CkRsa->new(); $success = $rsa->GenerateKey(2048); # privKey is a PrivateKey $privKey = $rsa->ExportPrivateKeyObj(); $success = $privKey->SavePkcs8PemFile("qa_output/privKey.pem"); $rsa->put_EncodingMode("base64"); $plainText = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890"; $bUsePrivateKey = 0; $encryptedStr = $rsa->encryptStringENC($plainText,$bUsePrivateKey); $bd = chilkat::CkBinData->new(); $bd->AppendEncoded($encryptedStr,"base64"); $success = $bd->WriteFile("qa_output/enc.dat"); # The OpenSSL command to decrypt is: # openssl pkeyutl -in enc.dat -inkey privKey.pem -keyform PEM -pkeyopt rsa_padding_mode:pkcs1 -decrypt print "OK" . "\r\n"; |
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