(MFC) Convert PEM to JKS (Java KeyStore)

Converts a PEM containing private key(s) and certificates into a JKS (Java KeyStore) formatted file.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkPem.h>
#include <CkJavaKeyStore.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    CkPem pem;

    // Load the PEM from a file.
    // If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
    const char *password = "myPassword";
    bool success = pem.LoadPemFile("../myPemFiles/myPem.pem",password);
    if (success != true) {
        strOut.append(pem.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Note: If the app already has the PEM pre-loaded in a string variable, then load it 
    // by calling LoadPem instead.  
    const char *pemContent = "... the PEM contents ...";
    success = pem.LoadPem(pemContent,password);
    // Check for success as before..

    // Convert to a JavaKeyStore object.
    // The alias, if a non-empty string, will be applied to the 1st private key or 
    // certificate.  All other keys and/or certificates will be assigned an auto-generated
    // alias.
    const char *alias = "anything_I_want_here";

    // This is the passord that will be required to access the created JKS.
    const char *jksPassword = "myJksSecret";
    CkJavaKeyStore *jks = pem.ToJks(alias,jksPassword);
    if (pem.get_LastMethodSuccess() == false) {
        strOut.append(pem.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Save the JKS to a file.  The password passed here is used for the keyed hash of the
    // entire JKS file.  This may be different (if desired) than the password for individual private keys
    // contained within the JKS.  
    success = jks->ToFile(jksPassword,"../myJksFiles/myJks.jks");
    if (success != true) {
        strOut.append(jks->lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    delete jks;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }