why this strange output

[agente_mor]

   Hi!

   I have a key file called: "instancia_ope.key"
   I transformed it to .pem file with:

   openssl pkcs8 -inform DER -in instancia_ope.key -out i.pem

   in order to use it in the openssl functions in php:
   I encrypt the string: f2e140eb-2b09-44ab-8504-87b25d81914c, like the following

   $fp=fopen("i.pem","r");
   $priv_key=fread ($fp,8192);
   fclose($fp);
   openssl_get_privatekey ($priv_key);
   $source = "f2e140eb-2b09-44ab-8504-87b25d81914c";
   openssl_private_encrypt($source,$finaltext,$priv_key);
   echo "String crypted: $finaltext";
 
   But the String crypted $finaltext, looks like:

   Any hint of why it is sending this strange stream will be really apreciated.
   There should be output only ascii characters, shouldnt it???
   mario

[Rob Richards]

That is the raw encrypted output, which is binary. You need to encode it, typically base64, to get it into an ascii format.

Rob

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