C

Generate RSA Public/Private Key

See more RSA Examples

_LANGUAGE_ example code showing how to generate an RSA public/private key. C

#include <C_CkRsa.h>
#include <C_CkPrivateKey.h>
#include <C_CkPublicKey.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRsa rsa;
    HCkPrivateKey privKey;
    HCkPublicKey pubKey;

    success = FALSE;

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    rsa = CkRsa_Create();

    //  Generate a 2048-bit key.  Chilkat RSA supports
    //  key sizes ranging from 512 bits to 8192 bits.
    privKey = CkPrivateKey_Create();
    success = CkRsa_GenKey(rsa,2048,privKey);
    if (success == FALSE) {
        printf("%s\n",CkRsa_lastErrorText(rsa));
        CkRsa_Dispose(rsa);
        CkPrivateKey_Dispose(privKey);
        return;
    }

    pubKey = CkPublicKey_Create();
    CkPrivateKey_ToPublicKey(privKey,pubKey);

    printf("%s\n",CkPrivateKey_getPkcs8Pem(privKey));

    printf("%s\n",CkPublicKey_getPem(pubKey,FALSE));

    //  Sample output:

    //  -----BEGIN PRIVATE KEY-----
    //  MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQD0SwWmX222gCpW
    //  ue75Q3VicOSXlTW0YNVksW8oGLS8x/SI5ZUqVMLIl2gsF1drEg2b+lvfeB7l2hwo
    //  UUCK0x2L2qv8hs4zrHmrrCi5xHHG7kpQAoi2PTodWvKvr9m7+n+nFcwOMrY0+qZM
    //  oYUg85yde3tWek5ouj4v1ZC9lbsozTrl2aIm/nD+o1PXg/V7CL2owbS+UG0iRz0C
    //  IYwn8hNEEe3/Uzw2oq7Gt37jOTYB21jX9RSgt0v90ifaQeXR6uiuuaJLRVunJXrd
    //  lJ9QvJh8xYuyEhJO5cChtn2AcSSxm417O4vJzBSHKKAn+EA/YIs74UsYTZojG5x/
    //  ptA3GDzhAgMBAAECggEBAIC4Vw3HEqQq/CQebJDivqNUIN7OPDIDI+2eoJdcDT+7
    //  jFnlvqdDai8PuFAjLGi6ZnldfbNOM9mhB10nEv8TJmpemmjBDz2jD6kpWXwoylqr
    //  jHSEIU0FDe4R0fZIjk3CPCjqD08b4W4g9CdEpEUsl8VTHzX90/rSx5mkylNa5fck
    //  xOf7V4W3L0OC+J0zKFiAQtI1abf+7x5rsnoi8sJ90v4wWWaXtMxHAZRLZxY2FtV3
    //  BbydbTqU+UC8T2+4ga+J549k9QomZ8zUhxe22jTBcKcIE+cGK5CLN8fJJ1GZWiB9
    //  JYOmeTat7N6SrpqdTsjqF2+Y6s5lt+B1yI6Fg2069MECgYEA/VYd3xZgqEjM1095
    //  zEce1eNujk+QGRfQv/9ToF8/jdJAvJQStagupIAHH0+iLnQGIZKLS0AxTJqlz0be
    //  r+0+8bs2whiuCvNF6U/pfslMUdlkOlY38lhdL3IqVOcf4douGEPI1BJlJraJFxea
    //  49SeWJLY23Yb1j3yvCWTmBP6q8UCgYEA9tyQcRCRDis4V7NGwvWi8v3BBHf/lgo0
    //  ac+676DWqHco4cbu1ZVkyM5Y3rgsgX5APeqPhaXlivvv8LLhUSydUoquhdHlBeRi
    //  XxTBj4aNNRwBfC9x9keOaBBBhughwgrDcEnGL6/B/6mpXydY0El7DmGf1G5x46NY
    //  jUoqVa54Um0CgYAI8eN4HwgmqPtiltHMHq6+Cpu6tqB14ltijBdd0D8kOMpEXk4S
    //  z+9lq4eU2XD2hu44fT4h2BBljghQu0XdnFjenCegztJGXLSZOlMaQO1K7owVaznq
    //  eqg/pp5MBSUhCl0aSjprEoMzzLomcJTtenJk2jqB9TeiZumNLx54/iuZqQKBgDjp
    //  bq9yV07B7hJh9W1a/f8xOz+Rfq4TmjPOvVUjanmaRyWOHF/HOl4FHH30TeZoudzM
    //  Z9wy+/GH1bBTPRjexUJTUJrvYfJyza8H9Pvm1EUrOLhto8NYid856DF28Nlwa9BG
    //  Ydd6mKodbjvOsW4LksAlB5kNAVquvOqN76ajO4AdAoGBAMXWdg9VFObBklLTRs81
    //  LgtLd9brWpRUHYkH8Ctw2bgyHuel26HVghWWy7JxU308uWL6ZrSXv7Qlsw7iYYwP
    //  m8BwjxUTfwTpqHfIi5sjeL6IeNiUPesqyT4B7J7ssmzYf8bedwN7TsrrY+169Ud3
    //  tC1UNW1BQbHh4RnyusT93Z71
    //  -----END PRIVATE KEY-----
    //  
    //  -----BEGIN PUBLIC KEY-----
    //  MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9EsFpl9ttoAqVrnu+UN1
    //  YnDkl5U1tGDVZLFvKBi0vMf0iOWVKlTCyJdoLBdXaxINm/pb33ge5docKFFAitMd
    //  i9qr/IbOM6x5q6woucRxxu5KUAKItj06HVryr6/Zu/p/pxXMDjK2NPqmTKGFIPOc
    //  nXt7VnpOaLo+L9WQvZW7KM065dmiJv5w/qNT14P1ewi9qMG0vlBtIkc9AiGMJ/IT
    //  RBHt/1M8NqKuxrd+4zk2AdtY1/UUoLdL/dIn2kHl0erorrmiS0VbpyV63ZSfULyY
    //  fMWLshISTuXAobZ9gHEksZuNezuLycwUhyigJ/hAP2CLO+FLGE2aIxucf6bQNxg8
    //  4QIDAQAB
    //  -----END PUBLIC KEY-----


    CkRsa_Dispose(rsa);
    CkPrivateKey_Dispose(privKey);
    CkPublicKey_Dispose(pubKey);

    }